Ventx Ltd

We are an industrial silencers manufacturer and design to meet a range of customer's requirements. There are a diverse number of applications where industrial silencers could be the perfect solution.

For us, as an industrial silencer manufacturer, we need to know about flowrate, up-stream pressure, up-stream temperature, connection size and type, and noise level required. With this information, we can begin to provide you with a positive, high performing solution.

  1. Two different types of noise to think about
    11 November 2020

    Noise in industrial settings can be a very big problem. It can get so loud that it is harmful to people on the site, disturbing to people nearby, and damaging to the environment. There are lots of regulations in place in regards to the noise. Businesses must therefore ensure they comply or they could face big problems. Luckily Ventx can help by offering an industrial silencer to suit any need.

    Before you start designing silencers though, you need to know about the types of noise you may be dealing with. There are two broad categories:


    Here the sound is the result of vibrations. They can travel from a source to a receiver via solid material. The vibration can generate a lot of noise, especially when it is travelling through things like metal ducts and equipment housing.


    Most noises will transmit from the source directly through the atmosphere to receivers. These sound waves can travel in all directions. As a result, they can cause a huge amount of trouble.

    The role of proper maintenance

    Many of the noise problems on industrial sites are because of improper maintenance. This can mean systems and equipment are inefficient. In turn that can result in them creating more noise as energy is misdirected. A number of issues are a result of this kind of problem. For example it could be a belt slipping, steam leaking, issues with wear on bearings or gears, or problems with linkages.

    A solution here is to ensure you have the right maintenance plan in place. You should be monitoring equipment regularly and taking care of upkeep. You also need to ensure you are replacing parts before they wear so much that a lot of energy is lost as noise.

    Come to us for an industrial silencer

    In some cases good maintenance alone is not enough to tackle the noise problems. Here the best solution is to choose the right silencers for each application. There are models to suit various needs, including structure-borne as well as airborne noises. Ventx can help, offering the best design services and expert manufacturing.

    If you are having issues with noise, please contact us. We can talk to you about why an industrial silencer is the right option for you. Then, we can use our design software to create the perfect model for you.

    Two different types of noise to think about
  2. Advice for the selection and installation of safety valves
    11 November 2020

    Noise pollution can cause its fair share of problems. What you may not know is that you can potentially avoid these issues if you use the right utensils. Our company excels in providing silencers to clients that need them. They come in a variety of models such as vent, inline or safety valve silencer.

    When working with safety valves, there are several important considerations you need to keep in mind. We want to take a look at some of the most important ones below.

    Seal tightness

    This is one of the most important things to think about. It is crucial to plan for it when choosing and installing your own valves.

    For one thing, it can result in a major loss of system fluid. Secondly, it can lead to the sealing faces degrading. This can cause a premature lifting of the valve.

    The seal tightness is influenced by three primary elements. Firstly, there is the safety valve’s characteristics. Next, we have the installation. The final one is the valve’s operation.

    Noise emission

    This is something else you need to be aware of. Discharge from your safety valves is not something that should happen regularly. If it does however, the noise can be substantial. Therefore, it is a necessity to figure out the sound level of the valves. You must do this to make certain that you don’t exceed the relevant health and safety regulation levels.


    There are multiple ways in which you can lower the noise level here. One of the simplest would have to be employing huge diameter discharge pipes. You could also lag the discharge pipe but you can’t lag the valve. The best option for when there is a lot of noise however would have to be a silencer.

    Talk to us about designing a safety valve silencer

    At Ventx, we have silencers that enable their users to manage the noises originating from all sorts of machinery. When matching a silencer to the specific application, we make it a point to be careful. This makes it easier for us to provide the perfect products to you.

    If you want to talk to an expert about a safety valve silencer or any other solution for noise, please let us know.

    Advice for the selection and installation of safety valves
  3. Autoclaves are more important than ever now
    11 November 2020

    There are lots of vital pieces of equipment in the healthcare sector. One machine that is often overlooked though, is the autoclave. It is easy to forget just how important it is. However, without them it would be harder to disinfect things. They are proving to be even more essential during the fight against COVID-19. At Ventx we can help the people who use them by offering a reliable autoclave silencer.

    What does an autoclave do?

    These machines use steam at a high temperature and under high pressure to disinfect various items. This can include medical devices such as surgery tools. The steam should be 97% vapour and 3% moisture. This will deliver the most effective heat transfer and faster disinfection.

    Autoclaves can vary in size to suit different needs. For example, there can be small models for labs or operating theatres that only need enough capacity for a few trays. On the other hand, some medical facilities have much larger models so they have the capacity for up to twenty trays. Then there are industrial size models that can be as big as a truck.


    The battle against coronavirus is continuing all around the world. Because it is so contagious, disinfection is important. That is why autoclaves are an essential tool. They can help researchers and people conducting testing. The high heat and pressure of the steam can kill the virus and any other bacteria.

    Is an autoclave silencer necessary?

    At Ventx we appreciate that some of the most essential pieces of equipment can be noisy. Autoclaves are no different. This can cause some concerns, especially when using them in areas where there will be a lot of people around. Prolonged exposure to the noise could be detrimental to their health. Luckily, there are solutions available. We can design a silencer to reduce the noise.

    If you need a reliable silencer, you can talk to us about it. Simply get in touch and tell us about your machinery and the setting.

    Autoclaves are more important than ever now
  4. Why are my boiler’s pipes banging?
    11 November 2020

    Loud noise affects us in various negative ways. Therefore, we should be doing our best to keep it to a minimum. The problem is that this is more difficult in industrial settings. What you need is the right specialist equipment. We can assist you here by providing first class silencers, including steam boiler silencer designs and many more.

    If you own a boiler system, it is likely you are familiar with the noise of your pipes banging occasionally. They will do this without warning. You are probably wondering what is causing the issue. In addition, you may not know whether it is harmful to your system or not. We are going to offer you an explanation of what these sounds may be.


    One recurring cause of banging sounds within these systems is air in the pipes. It can enter the pipe due to a number of reasons. For example, it can happen if you have recently replaced a component or if there is a defective valve. This is particularly common for boilers that supply radiators. If air gets in the system it can result in pressure fluctuations. These make loud banging or gurgling noises.

    Trapped water

    This is another potential source of the noise. Once water gets trapped inside your boiler, it is subjected to more heat than it can handle. From here, it evaporates into steam. As this happens, it expands. It does so to roughly 1,700 times its volume. Such a drastic and sudden rise in pressure may be the culprit behind the banging sounds.

    Choose us for a reliable steam boiler silencer

    At Ventx, we design and manufacture silencers in ways that ensure they meet your specific requirements. The different models we create shall vary in terms of attenuation levels and design. However, they will all be able to do their job. We have experience designing products for all kinds of needs, including large, noisy industrial boilers.

    If you require a steam boiler silencer, contact our team today. We can discuss your needs and then deliver the perfect product.

    Why are my boiler’s pipes banging?
  5. Acoustic attenuation explained
    11 November 2020

    Every business wants to get the best industrial silencer design. To do so, you have to match the silencers to the application. This is possible for our company as we have the best acoustic modelling software. We use it to analyse your systems so that the silencer will fit but not interfere with them.

    Noise induced hearing loss is a major health issue. This is especially true for people who work in the manufacturing industry. Such a condition tends to be the result of regular exposure to loud sounds. Those ones that are above 85 decibels can cause damage over time. These noises are common in many facilities like these.

    A number of businesses are adopting industrial silencers. They are doing so to reduce the negative effects of loud manufacturing floors and machinery. A silencer can assist with acoustical attenuation as well. It is wise to look at what this is before you pick your own silencers.

    Two ways to be dispensed

    Acoustic attenuation is the erosion of sound as it moves through separate materials. Sound waves get dispensed, and therefore diminished, in two manners.

    The first way this occurs is via absorption. This uses porous substances to absorb the sound waves. Then, it turns the sound energy into heat. Finally, it disperses into the atmosphere.

    The second element is scattering. This redirects the sound waves, turning them away from their initial path. At times, the waves can be travel back to the original source of noise.

    Acoustic attenuation unites these two approaches. It does so to lower noise perception and volume. Reactive and absorptive silencers use a mixture of the methods. Steam vent and combination silencers do too. They do this so they can attenuate noise inside industrial environments.

    Come to us for industrial silencer design

    At Ventx, we have more than a decade’s worth of experience in acoustic attenuation. Due to this, our skills are second to none. Clients in various industries take advantage of our services. This includes power and petro chem. Your company could be next on the list.

    If you would like to work with our team, or have questions about industrial silencer design, please let us know. We are happy to provide more info.

    Acoustic attenuation explained
  6. How can you save money with industrial noise reduction?
    11 November 2020

    At Ventx we appreciate how stressful it can be when you have to take care of noises in different facilities. The business might be struggling with complaints from neighbours or member of the public. However, they may not have a huge budget for industrial noise reduction. Luckily, we can help. We may be able to deliver the perfect silencing solutions while also helping the client to save money.

    Targeting the right things

    The main reason businesses spend large amounts on reducing noise is they don’t target the right things. You could invest a great deal and not get the results you are looking for if you don’t focus on the correct transmission path. In fact, if you are focusing on the wrong things you may find little or no reduction in the noise.

    Your goal should actually be to address noise at the source and in the transmission path. This is the best way to ensure you have an effective solution. It will also ensure you invest in the right places.

    The best way to ensure you are targeting the right things is to have a good look at your facility. Find the sources of the noise and the transmission paths. You will need to look at things like noisy fans, vents, machinery, and other systems. Most of these you can then silence at the source. For example, you can design bespoke silencers to offer attenuation and absorb sound waves.

    Making it bespoke

    At Ventx we can design unique solutions for various noises issues. We have access to the latest 3D modelling software. This can give us a much better idea of how sounds filter around your property. It can therefore help us to target the sources and transmission paths. We then use the data to design the right silencers.

    Our method of addressing the noise is more effective than choosing measures like enclosures. While they can be effective, they seek to trap the noise rather than addressing it at the source. They could also quite expensive and may make using different machinery and systems more challenging.

    Talk to us about industrial noise reduction

    If you have an issue with noises in your facility or escaping from it, we would love to help. Clients in an array of industries work with us because we can offer reliable results and great value for money. In larger facilities with lots of machinery, our silencers could be the most cost effective option.

    So, if you have questions about reducing industrial noise, please contact us.

    How can you save money with industrial noise reduction?
  7. An overview of a silencer’s mechanical characteristics
    11 November 2020

    No one wants to deal with noise pollution. However, it is an issue that always seems to pop up. To counter it, we supply specialist tools. These would be our silencers. They allow their users to control the amount of noise that comes from their facilities. We have steam vent silencer designs as well as a number of others.

    A fact you may not know about silencers is that they all have some interesting mechanical characteristics. There are several notable sections.

    The silencer shell

    Firstly, there is design pressure. This is normally greater than or equal to the permitted silencer back pressure.

    Up next is design temperature. Typically, it is set to cover the maximum of the gas and ambient temperature ranges.

    Minimum casing thickness is another one. The purchaser can set this or you can leave it to the vendor to decide.

    Inlet assembly and diffuser

    We will move onto the inlet assembly and diffuser section next. Here we will begin by looking at the hydrostatic testing first. This is not actually a requirement. However, it might prove necessary by regulations for objects that must follow specific codes. If you include the test, it is usually performed at 1.5 times design pressure.

    The second thing we will talk about is registration. Diffusers and inlet assemblies created under certain codes might need registration so they satisfy the regulations.


    Finally, we have the accessories section. Up first is silencer discharge. The majority of silencers get installed outside. They discharge to the atmosphere directly.

    We will finish things off by covering weather protection because it can be vital. If necessary, the protection options are normally 90º, 45º, and whistle cut cowls.

    Do you need a specific steam vent silencer?

    At Ventx, our industrial silencers are able to benefit their users in many ways. They can also do the same for any visitors to the sites and other stakeholders.

    All of our models, including the steam vent silencer, are available from our UK base. We design each one to suit the specific needs of the client. As a result, we ensure they get the best level of service and silencing.

    If you get into contact with our team, you can ask questions and learn more about us. Then, if you choose to get a product, we can design and deliver it for you.

    An overview of a silencer’s mechanical characteristics
  8. Products to help you with noise control
    11 November 2020

    All kinds of industries have to think about noise control in one form or another. It may be they need to take steps to reduce how noisy it is on site to protect employees. Or, it could be there are concerns about how loud sounds could be affecting nearby people and wildlife. It may even be that noises on the site are hurting efficiency and productivity. Whatever the case, there are lots of different products you can try.


    At Ventx we specialise in a very specific products – industrial silencers. We can create a wide array of different models to suit all kinds of needs. For example, we can design inline models and various other styles. We can cater for various things, including fans, exhausts, ducts, control valves, and gas or steam injectors. In each case we ensure that we design the silencer to suit the application.

    Other options

    However, there is a lot more to noise control than these. Industrial clients could also choose things like:

    Enclosures – a specialist noise control enclosure could contain noisy industrial equipment so that sounds cannot escape.

    Acoustic ventilation – heavy equipment like generators, compressors and motors can be very noisy. Here it may be a good idea to have a full ventilation system with acoustic lining.

    Blankets – in some cases it is possible to soundproof noisy equipment and systems by simply using a thick wrap or blanket.

    Vibration isolation pads – in a number of cases the loud noises are because of vibrations in equipment. These pads can help to dampen it and also help to preserve machinery.

    Acoustic louvers – while using silencers is the best option for ducts, it is not the only one. There is also the option to install these louvers. They can provide attenuation and help to reduce the noise that escapes.

    Talk to us about noise control

    At Ventx we recommend that our clients take a holistic view of their facility. That way they can devise the most effective plan to tackle the noise. It may be that they need to utilise several different products to get the noises to an acceptable level.

    When it comes to noise control and silencers, we are always happy to help. Clients in any kind of industry can contact us for advice. We would be happy to assist you.

    Products to help you with noise control
  9. Distance and sound intensity
    8 October 2020

    We all know how annoying loud noises can be. This is true whether it is at home or at work. However, in some cases the sounds can be very harmful. One very loud sound or repeat exposure to unsafe levels of noise can cause hearing damage and more. That is why there are noise limits in place in many industries. The operator may need to invest in products like a diffuser silencer to help keep sounds below this limit.

    How loud is too loud?

    Some people find it difficult to say when a sound becomes too loud. The limits can be different depending on a number of things, including proximity to homes and how close people are to the source on the site.

    To give you a better idea of noise levels, here are some typical sounds. Firstly, keep in mind that complete silence will be zero decibels (dB). If a sound is ten times louder it will be 10 dB. Something like a quiet whisper is around this level so it is not harmful. A normal conversation will be around 60 dB. Again this is not harmful.

    Noises pass into a harmful range when they are above 85 dB. Regular exposure to sounds over this level can cause hearing damage. Some examples of sounds in this range include lawnmowers (90 dB), blenders (up to 90 dB) and electric drills (95 dB).

    Sounds over 140 dB can cause immediate hearing damage and be very painful to even hear. A good example of a sound that is this loud is a firework.

    Distance is vital

    While the amount of exposure is important, distance is also vital to determining if sounds are too harmful. The further away a person is from the source, the more chance it has to diffuse and come down to a safer level. Take the example of the firework above. Because they explode high up in the sky, the sound when it reaches people standing on the ground is less intense and safer.

    It is important to keep this in mind on industrial sites. Sounds at the source may be incredibly loud and dangerous to people in the area. However, they may be safer further from the source. In this situation, it is vital to get a good idea of where the sound exceeds a safe level. From this point on people need the right hearing protection and should limit their exposure to the sounds.

    Talk to us about a diffuser silencer

    At Ventx we work very hard to help our clients tackle noise issues on their sites. We understand all the different sources of the sounds, whether it is heavy machinery, venting, or a HVAC system. This knowledge means we can suggest the right solutions.

    One of the best options is to use silencers. This can help to cut noise at the source or where it would emerge into the open. We can design unique models to suit any need.

    So, if you need a diffuser silencer or another style, please contact us. You can tell us about your facility and we will design the right products for you.

    Distance and sound intensity
  10. Adding an in-line silencer to your ducts
    8 October 2020

    Many large industrial, commercial, and public buildings would be very unpleasant if not for the duct system. This helps to remove exhaust air as well as harmful and unpleasant fumes. At the same time it supplies clean air. However, the issue is that the ducting can generate a lot of noise. Even a slight vibration can become really loud. Luckily, you can use an in-line silencer or a series of them to reduce this.

    How does it work?

    The silencer fits easily into the duct. It can provide attenuation and sound absorption thanks to the media within it. At Ventx we can design bespoke ones with different silencing media to suit various needs.

    The design must be correct to ensure it can effectively reduce the amount of noise. In addition, it must fit correctly. If it is too small it can make the noise worse rather than dampening it. On the other hand, if it is too large it will cause issues with installation.


    There are lots of different potential uses for an in-line silencer in a duct system. For example they can fit into both supply and return ducts. Here they just need to reflect the direction the air is flowing.

    The noise from ducts can be the loudest at fume and smoke exhausts. This typically happens because of the rapid change in pressure. Luckily, you can install silencers here to tackle the issue.

    Loud noises can also originate from air handling units and fan plenums. However, you can install silencers close to them to reduce the noise here. You can do the same close to terminal and mixing boxes.

    Some people plan for how noisy ducts will be and choose acoustically lined ones. While they can be effective at reducing noise, they are more expensive than choosing a reliable silencer.

    Come to Ventx for an in-line silencer

    We are proud to be one of the best silencer designers in the UK. Clients in all kinds of sectors and industries rely on us. We always design products that will suit their needs, reflecting the size, shape, and configuration of their ducts.

    So, if you want reliable silencing products from an expert team, get in touch with us.

    Adding an in-line silencer to your ducts
  11. An explanation for those noisy air vents
    8 October 2020

    In order to effectively reduce the noise your facility produces, you need the proper tools. Our company happens to specialise in this area. We use the latest software to create utensils that are perfect for you. Our team can use it to design the ideal vent silencer or something similar.

    All air vents make a noise when the system fans are operating. Such a situation is normal. Of course, some systems produce louder sounds than others do. They are quite a bit louder actually. To give an example, a home with sufficient return air ducting shall be quieter than a set up with one big return grille. This is one that is cut directly into the equipment’s return duct. There is technically nothing wrong with this but it will be on the louder side.

    A lack of return air

    The complaint that pops up the most with these systems is that there is a tuning fork sort of noise. Normally, this is because there is a lack of return air. However, it is not always the case. The system must pull more air. Therefore, the velocity and pressure increases. This leads to an increase in sound. By introducing an increased level of return air, the pressure goes down. The system does not have to function as hard. As a result, it quiets down.

    You are probably wondering why there may be a lack of return air. It could be that the ductwork was not installed properly or is just undersized. The answer could be as straightforward as having a blockage in the air filter. The system must move a certain degree of air. If there are blockages, then there will be a pressure problem. This causes the noise levels to increase.

    What kind of vent silencer do you need?

    At Ventx, we can provide you with solutions to help control the noise coming from your own vents. Our team has had the honour to work with a large variety of clients over the years. Whenever someone comes to us asking for help, we go out of our way to provide them with a suitable silencer.

    If you require a vent silencer as well, please let us know. Just tell us about your systems and we can design a suitable solution.

    An explanation for those noisy air vents
  12. Reducing the noise from MEV and MVHR systems
    8 October 2020

    Ours is a business that specialises in attenuators and silencers. Due to their role of reducing noise, it is vital that the customer receives one that is suitable for their needs. To create the perfect design, we use acoustic modelling software. This allows us to carefully match the product to the application.

    In new build residential developments, mechanical ventilation noise is a common source of complaints. Many of these buildings use MEV and MVHR systems that operate nonstop. The homes rely on the systems for their ventilation, so they are essential.

    MVHR can cause the most problems. This is because air supply ducts run to noise sensitive rooms directly. However, sounds from extractors within wet rooms can annoy people too. Fortunately, there are ways to help minimise the chances of noise issues.

    Specifying limits

    One possibility would be to specify noise limits so the sounds are not harmful. You should design MEV and MVHR systems to stick to suitable noise levels in all habitable spaces.

    To guarantee decent acoustic conditions, mechanical ventilation noise should not pass certain limits. This is according to Building Regulations Part F. For living rooms and bedrooms, it is 30 dB LAeq,T. For less sensitive rooms, it is 35 dB LAeq,T. You should achieve these limits with your units operating at background ventilation rates. This is as a minimum but you can try to reduce the noise even more.


    Careful design will help you here as well. Your systems have to be carefully constructed to reach the necessary noise limits. It is best to ask M&E equipment manufacturers and designers to verify that their designs can achieve the limits. Depending on the system’s design, you may also need some extra mitigation. This includes using in-line attenuators.

    Designing specific attenuators for any need

    At Ventx, our products allow you to control the noise coming from many forms of machinery. We understand that the needs of the customer can be as unique as the project. Therefore, we always have people on hand to ensure you get a complete service all the way through. We will also see to it that your silencer lasts for years to come.

    So, if you need any help, don’t hesitate to contact us.

    Reducing the noise from MEV and MVHR systems
  13. What causes the noise in a HVAC system?
    8 October 2020

    Most of us will know how noisy HVAC systems can be. You may notice them at work, while you are in a public building, or even at home. The sounds can be very annoying or even harmful in some cases. However, there are ways to tackle the problem. For example you can use an attenuator or silencer to reduce the noise.

    What makes the noises?

    While most people know the HVAC systems can be noisy, do you know what causes the sounds? There could be a number of different issues. Individually they can cause noise, but collectively it can get very loud.

    Common causes of noise from the systems include vibration of the ducts and fans. The latter can be very noisy, especially if they spin at a high rotation and the fins move.

    Some of the loudest sounds can occur because of air changes within the system. For example, the noise can be very loud if there is a big drop in the pressure. This can occur at vents, exhausts, and if there are obstructions in the system.

    A lot of people think that HVAC systems will only be noisy when they get old. While older systems can be louder because of wear, dirt, and poor maintenance, new systems are not going to be silent. In fact, they can be noisy because of issues like poor installation and a bad design. Regardless of the age, loose fittings can vibrate and produce noise.

    Resolving the issue with an attenuator

    At Ventx we have a lot of experience with loud systems including HVAC and industrial equipment. Our goal is to offer the right sound reduction solutions. We design them with care to make sure they will be reliable and deliver great performance. There are various types of attenuator to choose from, including cylindrical and rectangular. As a result, we can offer the perfect shape for any system.

    If you have any questions about attenuation or the products we offer, please get in touch.

    What causes the noise in a HVAC system?
  14. Where is that noise coming from?
    8 October 2020

    The goal of our company is to offset the issue of industrial noise pollution. To do so, we design silencers that enable their users to control the level of noise their machines produce. There are various models that we specialise in, including the intake silencer. In addition to keeping you safe, our merchandise shall ensure that you are following the law.

    With HVAC systems, you must do whatever is possible to keep noise levels at a minimum. Careful design and installation goes a long way here. In fact, the first is essential.

    However, these systems age just like everything else does. Parts begin degrading and noise levels rise, even in the best designs. Furthermore, alterations to the building’s inner layout can influence the system’s function. This is especially true when you alter the size of a room.

    The fix

    For a system that is noisy overall, the fix could be an easy one. You might simply need to minimise the air pressure inside your system. This may not work though. In this scenario, you can try a few simple steps to minimise the fan noise. Lining the ductwork with fibreglass liner or installing mufflers could work. A better option may be to install a silencer though.


    The dampers within a variable air volume system can result in noise concerns too. They might only close partially. When this happens, the same level of air shall force its way through a more compact opening. The difference is that it will do so with higher velocity. Things can get quite loud as a result.

    Dampers with broken gears can also generate noisy banging sounds. Once the control system conveys a message to close a damper, they begin the operation. Afterwards, the gears slip, producing noise.

    Creating a bespoke intake silencer

    At Ventx, we have decades of experience of quality manufacturing and acoustic knowledge. We build on this to bring you the very best silencers money can buy. In addition to being practical, our solutions are cost effective thanks to our great prices.

    If you need a unique intake silencer, contact us today – we will design it for you.

    Where is that noise coming from?
  15. Loud noise does nothing positive for your wellbeing
    8 October 2020

    With noise reduction, you really need a tool you know that is going to work. This is our area of expertise. Using our state of the art acoustic modelling software, we can create something that fits in with your own systems. In other words, you can have an in-line silencer, or another design, that perfectly matches your requirements.

    If there is one thing that annoys people in the workplace, it is noise. This is not the greatest of news for employees. We say this because huge noise levels can result in more than simple irritation. There are actually several ways it can influence people. Read on to discover what some of them are.


    For one thing, noise stresses people out. There is more to stress at work than office policies and deadlines. Noise leads to stress within our bodies too. Prolonged exposure to specific loud sounds cause psychological stress responses within us. This includes heart rate and blood pressure spikes. It is even possible to be affected by the sounds we hear inside offices.

    A costly affair

    Loud noises are a costly issue too. According to World Health Organisation estimates, the annual cost to Europe from considerable noise levels is £30billion. This includes productivity losses, healthcare costs, and lost working days. Inside that figure is a considerable amount of sick days. Compare it to home workers, and those in an open plan office take 70% more sick days.

    Loss of focus when multitasking

    You can also expect multitasking to be harder. The more you try to multitask, the greater the chance of environmental sounds becoming a distraction. Habitual multitaskers are more likely to lose focus because of it. In addition, once they lose it, it is harder for them to get their first task back into their heads.

    Let us design an in-line silencer for you

    At Ventx, we use our silencers to help reduce the physical and mental impacts loud noises have on people. Using the right type of silencer, you can manage the noise level from numerous machines. You can also silence HVAC systems and more.

    If you ever find yourself in need of silencers, whether it is an in-line silencer or another type, be sure to contact us. We can design a great piece of equipment for you.

    Loud noise does nothing positive for your wellbeing
  16. Using silencers to reduce the noise from inline fans
    9 September 2020

    Many buildings have large HVAC systems to provide sufficient heating and cooling. They are important for air circulation but there is a downside to using them. This is the fact that they can be very noisy. The noise can be a big problem in some areas. Luckily, there is a solution. It is possible to create and install an inline silencer to tackle the noise.

    Is it too loud?

    Every HVAC system will generate some noise. Many systems won’t be overly loud and the noise will remain at a safe decibel. However, if the noise exceeds 70dB it can become very harmful.

    The level of noise will depend on a number of factors. For example, the type and size of fan, length of ducts, and location will all have an impact. The size of the room and its acoustics matter too.

    To get an accurate reading of the noise, you will need a dB metre. You should turn the fan on and then test the decibel level in front of the air flow.


    There are a number of ways to reduce the noise from an inline fan. The best option is to choose a suitable silencer. This can fit into the duct and then dampen the noise. It will do this by utilising sound absorption material. The silencers can come in various shapes and sizes so they suit all kinds of systems. We design bespoke ones at Ventx to give our clients the best solutions.

    Other options you can try to reduce the sound include:

    • Soundproofing the whole room
    • Insulating the ducts as well as the fan
    • Muffle the vents
    • Choose a speed controller so you can limit the fan’s rotation

    Talk to us if you need an inline silencer

    If you have a noisy HVAC system, regardless of the type of property, you can rely on us. We have a lot of experience at Ventx and design products for all kinds of needs. Our goal is to ensure every client is happy.

    So, if you need help with an inline fan, please contact us.

    Using silencers to reduce the noise from inline fans
  17. Follow the law by reducing the noise
    9 September 2020

    It is no good just leaving industrial noise pollution to run rampant. This form of noise can come from many sources, including a gas vent. What you need is a silencer that can reduce the amount of sound from these vents. Our team can assist you with this by using our modern software to create an effective solution.

    Noise reduction is not only about protecting workers inside industrial facilities. It is also about following the law. One of the most important laws is the Noise and Statutory Nuisance Act. A person’s rights with this Act work in tandem with the Noise Act 1996 and Environmental Protection Act 1990. It can assist those looking to make complaints about large amounts of noise influencing their lives.

    Numerous elements of the 1993 Act are similar to those found in the 1996 Act. This is in relation to the power courts hold to produce fines in addition to other punishments. There are places where they differ somewhat. One is where the Environment Health Department decides whether the sound levels constitute a statutory nuisance or not.

    Statutory nuisances

    So what actually are these nuisances? According to the legislation, the sound that is the source of someone’s complaint has to be detrimental. This is to their health. Alternatively, or at the same time, it has to interfere with someone’s enjoyment on their own land.

    What to do?

    There are those who will want to immediately complain to their local authority. However, another possibility can be to get in touch with those creating the noise. You can discuss the issues with them. This way, you can try to come to an understanding. In the case of an industrial facility, they may be able to install a silencer to limit the noise.

    Let us design a silencer for your gas vent

    At Ventx, we work on behalf of numerous clients in many industries. They all require their own specific model of silencer. Each one has a different design, but they are all effective at reducing noise.

    If you are having trouble with a gas vent and need a silencer, don’t hesitate to contact us. We can design the perfect solution for you.

    Follow the law by reducing the noise
  18. It’s time to start using rotary blower discharge silencers
    9 September 2020

    Our team goes out of its way to help clients to tackle noise pollution in their industrial environments. To do this, we make use of acoustic modelling software to create the best silencers. Designs can include the discharge silencer as well as various other options. Noise won’t be as much of an issue with our help.

    The rotary blower discharge silencers are among the most critical elements if you want high performance. This is within every blower system.

    The majority of people think that the discharge does not produce much sound. They are comparing it to the inlet when they think this. However, it is not true. The high frequency pulsations and discharge sound are recurrent at the outlet. In addition, they can cause the destruction of systems. These are ones working under very high discharge velocities and pressures. The reason for this is that the components tend to be within a closed system.

    Minimising the high frequencies

    There are many benefits to using silencers in these situations. To begin with, high frequency air flow leads to a great deal of vibration and noise. These can be annoying to those in the surrounding areas. The primary job of the silencer is to minimise these high frequencies. They do so by harmonising the pressure surges of the gas that exits the outlet to the open.

    Additionally, silencers work to enhance the efficiency and accuracy of the system. The vibration and noises that occur where you don’t use silencers is a result of the air that passes through a medium. In the process, this typically cools down, resulting in medium imbalances. If you used the medium without it moving through a silencer, inaccuracy problems would pop up. However, you can use rotary blower discharge silencers to resolve this.

    Ordering a discharge silencer

    At Ventx, we work with a very big list of clients. Thanks to our hard work, we can design the silencers that suit their needs. As a result, countless individuals can benefit from a reduction in noise levels.

    If you require a discharge silencer, or something similar, please give us a call. The products we offer are reliable and long lasting. We will also offer advice about upkeep.

    It’s time to start using rotary blower discharge silencers
  19. The truths surrounding noise-induced hearing loss
    9 September 2020

    Having to deal with loud noises is not only annoying but harmful too. Hearing impairment is just one potential side effect. There are many other physical symptoms that you can experience. Fortunately, we have a solution. This would be to use one of our silencers, like the discharge vent model for instance.

    There are countless individuals out there with hearing loss issues. This might have been caused by leisure activities. More likely, it could have been due to a noisy workplace. The root cause of hearing loss can initially seem straightforward. However, noise-induced hearing loss has several misconceptions surrounding it. We are here to take a closer look.

    Noticing a problem

    Some believe that this hearing loss is noticeable immediately. It is true that numerous people suffer temporary hearing loss following a concert or loud party. However, a damaged ear is something that you may not notice right away. In fact, it could be a problem you only notice in the future when someone points it out.

    It only happens with regular exposure

    Another misconception is that the hearing loss only happens if you expose yourself to loud sounds regularly. One single exposure to a sudden loud noise is all it takes to cause hearing loss. As a result, it is vital to have hearing protection. An industrial silencer can help to reduce sounds at the source too.

    Industrial noise

    Last but not least, there are those who believe that it is only loud music that causes hearing loss. If you are an industrial worker, your profession can be as dangerous as your hobbies. In fact, industrial noise stands as one of the leading causes of hearing loss. This is one of the many reasons why people install silencers in these environments.

    A bespoke silencer for your discharge vent

    At Ventx, we design our products to keep people safe from the dangers of loud noises. We can create a myriad of models to suit any kinds of needs. For example, we have options for vents, fans, machinery, and more. To ensure we design the right one, we use advanced acoustic modelling software.

    If you would like more information about silencers for a discharge vent, feel free to call us. We can discuss how they work as well as the kind of performance you can expect.

    The truths surrounding noise-induced hearing loss
  20. How well do you know blow down applications?
    9 September 2020

    Part of the reason why we are so successful is because we have a long history in industrial silencer design. Thanks to our experience, we can design a blow down silencer that meets all the needs of our clients. We are capable of serving all kinds of businesses, including those who work in petro-chem, gas and oil, and other industries.

    If you want the right silencer, then you need to understand what a blow down application is. We define applications of this nature as where your goal is to expel high pressure gas from a set volume. Usually, there is a final pressure and time constraint specified that is not far from the atmospheric pressure. With silencers, the most common use would be on natural gas compressor pipelines and stations.

    Data requirements

    For a blow down application, there are several pieces of data that you will need. The pressurised volume is one of them. Greater volumes demand bigger silencers.

    You need to know what the maximum blow down time is too. Longer times allow you to use more compact silencers. In emergency scenarios, the total allowable time could be 60 or 180 seconds.

    Lastly, you need to understand the final blow down pressure. You might end up specifying a final one that is under 50 psig. If you do, this shall make it hard to meet the time requirements with economic silencer selections.

    When selecting your silencer, it is essential for you to use the maximum flow rate. You can’t use the average one. If you go down that route, it is going to operate at as much as 2.5 the acceptable maximum velocity for your instrument. This will be the case for the initial 35% of the blowdown cycle. This can lower the lifespan of your equipment. Therefore, you should avoid it.

    Come to us for a bespoke blow down silencer

    At Ventx, we understand how difficult it is to accurately predict noise. To make things easier, we employ modern computer software. This lets us create a model of the noise level that is likely to come from your facility. With the right information, we can create a suitable solution.

    If you require a blow down silencer, don’t hesitate to contact us. We would love to help you to reduce noise on your site.

    How well do you know blow down applications?
  21. The handling and storage of silencers
    9 September 2020

    One of the most effective strategies for managing noise is to use silencers. Our company has specialised in designing them for several years. We strive to meet all of our clients’ requirements by creating the finest models. This includes the useful blow off silencer. By working with us to design the right equipment, you can improve performance as well as efficiency.

    Industrial silencers should be able to do their duty continuously within their environment. They should offer free, predicable performance. To ensure this happens, we ensure a professional examines every model we make to check the quality. Then all it takes is the correct installation and suitable maintenance to ensure you will have many great years of service.


    One area where you need to take a great deal of care is with how you handle the silencer. You should only lift it using the mounting supports or lifting eyes. Only personnel with sufficient training should make the lifting decisions.

    Putting silencers into storage

    Some people will only use their silencer periodically. When it is not in use, storing it correctly is important. This is especially true if you are storing it for a long period of time. When you are doing that, you need to ensure it has the right protection. Most notably, you have to keep it safe from moisture and dirt.

    If you use a tarp to cover your silencer, you can keep it dry and clean. Avoid using black plastic tarps though. This will only serve to promote condensation. It is also preferable to keep the silencers indoors when you store them. They will remain safe from the elements this way.

    For silencers installed in exterior locations, you need to safeguard them against moisture. This includes snow and rain. Neither should be able to enter the silencer. Moisture is dangerous since it results in long term damage and negatively influences the silencer’s performance. You can try using rain hoods. Consider screens too to prevent debris from getting in the air stream.

    Let us design your blow off silencer

    At Ventx, we have more than a decade of silencer design behind us. We continue to build on this knowledge so we can offer you the most appropriate model possible. More importantly, our silencers will be practical and cost effective at the same time.

    If you are looking to purchase a blow off silencer or any other model, please give us a call. We can advise you and deliver a model you can rely on.

    The handling and storage of silencers
  22. How natural gas silencers can help
    9 September 2020

    Noise is a by-product in all sorts of settings. However, when the noises get too loud or consistent, it can have negative effects. This varies from physical and mental health problems to lower productivity and more. So, it makes sense to put measures in place to reduce noise where possible. With our natural gas silencers and other solutions, you can do exactly this.

    A little about natural gas silencers

    With natural gas systems, the blowdown needs to generally happen rather fast when maintenance operations are in progress on pipelines. In most cases this will create noise readings that are much higher than tolerable levels. The noise is a result of two phenomena:

    1. The first of these is turbulent mixing. This is the ripping of the air when the vent gas decelerates to zero velocity as it discharges into the atmosphere.
    2. The other is shock noise, which is the instant loss of pressure across a choked flow device.

    However, a silencer can help with the issue. It will control the blowdown and the noise that it creates. The best models have a reactive-absorptive process. This offers great attenuation for all octave frequency bands.

    Silencer designs

    When it comes to the design and selection of natural gas silencers, it is important to keep in mind different factors which will be specific to the application. This includes blowdown time limits, which approach will be the most value for money while meeting needs, performance, and the durability you need for the environment. In addition, you may need an evaluation of natural gas flow and to look at the noise attenuation needs.

    The uses for the silencers includes combustion boilers as well as nuclear and chemical plants. In addition to this, pipelines, and petrochemical and process plants rely on them.

    What Ventx can do to help reduce noise

    Our expert team are able to produce all kinds of solutions to meet various specs. Feel free to get in touch with us if you want to talk more about natural gas silencers. We can also tell you all about how we can supply a solution to suit your needs.

    You can call 01923 238397, send an email, or fill out the contact form on our site.

    How natural gas silencers can help
  23. Planning your air vent silencer
    9 September 2020

    The thing to keep in mind about vents is all it takes is for the pressure to be a little higher than atmospheric to cause loud noises. If this happens the sound can seriously harm people on the site. The loudest sounds will also disturb nearby residents, businesses, and wildlife. The solution is to design and install the right air vent silencer.

    Two parts

    The best silencers generally come in two parts. The first is an inlet diffuser. What this does is it provides back pressure and reduces the flow though the silencer. It can also provide some helpful attenuation.

    The second part of the silencer is the absorptive pack. This is a component with perforated steel panels. The holes allow sound waves to filter though. Behind the panels will be some form of porous material that will absorb these waves. Typical substances people favour include glass fibre or rock wool.


    Many people think the inlet diffuser is the least important part of the silencer. Truthfully, some models don’t even have one. However, this can be the wrong design choice. If you don’t include one, the absorptive pack generally needs to be larger so it can provide the attenuation. If size is an issue, it is better to include the diffuser.

    To get the best level of noise reduction, you must have the right perforations in the steel panels. Most importantly they must be the correct size. In addition, it is vital you choose the most appropriate sound absorption material. It is a good idea to consider all the options here and select the right one for your needs.

    On top of this, the silencer must have the right flow passage arrangement. A poor design may put obstacles in the way of the flow. This can result in even more noise. Some people look to avoid back pressure. However, if you choose it properly it can be very useful. Most importantly, it can allow you to use a smaller silencer. It can also reduce the flow velocity.

    Designing your air vent silencer

    At Ventx we know that working closely with clients is essential to producing the right equipment for them. We do just that, getting to know as much as we can about their needs. Then we can use our cutting edge design software to model a silencer that will tick all the right boxes.

    If you are looking for an air vent silencer, we are confident we can deliver the perfect product for you. Get in touch now to learn more.

    Planning your air vent silencer
  24. The intricate details of vent silencers
    9 September 2020

    To combat loud noises, you need silencers capable of doing the job. Not just any model will do. You need one specifically for your systems. We design steam vent silencer models and other styles. To do so, we use state of the art acoustic modelling software. Every single one we create is bespoke to suit the client’s needs. As a result, you will have a much easier time controlling the noise on your site.

    Many vent silencers are individually designed to abolish noise. Said noises originate from the atmospheric discharges of steam and high pressure gases. You can use a silencer to lower this. What happens is that you install a silencer within the discharge line. Alternatively, it can be at the end of this line. It supplies you with noise limitation while releasing steam or gas.

    Getting the most from your steam vent silencer

    There is a way to get the most out of these silencers too. What you must do is design them so that they use two noise limiting techniques concurrently. These would be reactive and absorptive. In addition, it is preferable to have sound absorbing materials. This is as well as tuned reactive chambers.

    Broadband attenuation

    The silencer’s absorptive behaviour supplies users with broadband attenuation. Reactive behaviours are dictated by a mixture of changes in forced phase shifts as well as flow section. It offers you greater attenuation within the lower octave bands. Each technique makes contributions to greater noise reduction. This is over the whole audible frequency range.

    Noise and gases enter the silencer via compact holes within a diffuser. This provides a weighting-shift that goes towards high frequencies. In addition, a successive expansion chamber offers reactive limiting of the low frequency elements of noise. Acoustic lining that goes to the expansion chamber manages the absorption of high frequency energy. Partially silenced noise and gases head through to multi tubular acoustic models next. Here, there is one last reduction.

    Talk to us to design a silencer

    At Ventx, the silencers we design will benefit you and your workers at your facilities. Furthermore, they are essential to ensure you comply with the UK’s environmental standards. We can offer models that will make sure you get the very best performance.

    The next time you need a steam vent silencer, please contact us. We will share our expertise and then deliver the right products for you.

    The intricate details of vent silencers
  25. Which styles of industrial silencers do you need?
    3 August 2020

    Industrial settings can be incredibly noisy. This is largely due to the heavy machinery and systems in use on the sites. Repeat exposure to the loud noises can cause hearing damage and several other health problems in people who work on the site or live near it. To make sites safer, it is important to reduce the noise to a less harmful level. The best way to do this is with industrial silencers.

    The key to maximising sound reduction is using the right silencer in the right location. To do this, you need to know about the different types you can choose from. Below we will have a look at four styles.


    This is probably the most common type of silencer on the market. The style is very popular because they actually feature materials to absorb the sound energy and turn it into heat. The absorptive material can vary in type and thickness to suit different needs. These silencers are very dynamic because you can install them horizontally or vertically in an array of settings.


    The second style of silencer does not seek to absorb the sound waves. Instead they reflect it back towards the source to reduce the amount of noise that escapes. These silencers can be very small because they don’t need to contain any absorptive material. They are also easy to clean, making them a low maintenance option.

    Steam vent or gas

    These models generally don’t seek to absorb the sound or reflect it back. Instead, they look to diffuse the flow of pressurised gases or steam. The high flow and velocity can result in very loud noises. However, this kind of silencer can reduce the pressure and allow gas or steam to diffuse to the atmosphere at a lower velocity.


    As you can probably guess from the name, this type of silencer can combine different elements of various models. Most commonly they are absorptive and reflective to provide the benefits of both.

    Talk to us about industrial silencers

    Ventx is one of the best silencer developers in our field. Our team are experts and have access to fantastic resources such as the latest 3D modelling software. As a result, we can design products to suit any needs.

    If you need industrial silencers, please contact us. We will ensure you get reliable products that will deliver the silencing you need.

    Which styles of industrial silencers do you need?

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