DP Seals Ltd

As a leading global supplier of precision custom rubber seals, gaskets and mouldings, DP Seals plays a key role in serving the Aerospace, Defence, Subsea, Energy, Oil & Gas, Medical, Sports Equipment, Motorsport and Industrial markets.

DP Seals regularly takes on problems where others have failed. It is this hard-earned reputation for innovative problem solving combined with knowledge and experience in specifying formulas and compositions for materials that have proved invaluable, especially where high performance and longevity in sometimes hazardous environments are of paramount importance.

AS 9100 Rev C, accredited, the company has been making custom rubber mouldings for over 35 years and employs some 50 people at its three Poole sites.

Download the following guides and brochures on our website :

  • Custom rubber moulding guide
  • Rubber To Metal Bonding guide
  • Corporate brochure
  • Aerospace brochure
  • Energy brochure

 

  1. DP Seals Joins Lagercrantz, Strengthening Global Presence
    18 December 2023

    We would like to announce that on 11th December DP Seals was acquired by Lagercrantz, a Swedish technology group that offers value-creating technical products and solutions within expansive niches.  

    This strategic partnership marks a significant milestone for DP Seals, providing access to a broader global network, enhanced resources, and the opportunity to accelerate its growth trajectory.

    "We are thrilled to join forces with Lagercrantz, a company that shares our commitment to excellence and innovation" stated Andrew Piper, Managing Director of DP Seals. "This acquisition will enable us to expand our reach, introduce our exceptional products to new markets, and further develop our capabilities to serve our customers more effectively."

    Lagercrantz, with its extensive global footprint and group of some 70 companies, each with a focus on a specific sub-market, will provide DP Seals with the necessary support to expand its operations and solidify its position as a leading provider of high-quality specialised rubber seals and mouldings.

    The integration of DP Seals into the Lagercrantz Group is expected to be seamless, with a focus on preserving the company's unique culture, commitment to quality, and dedication to customer satisfaction.

    Further information:

    DP Seals Website

    Lagercrantz website

    Lagercrantz Press Release

    DP Seals Joins Lagercrantz, Strengthening Global Presence
  2. Why choose custom rubber parts over standard?
    14 June 2019

    Custom rubber parts offer some fantastic advantages but for many general applications standard rubber seals, gaskets and mouldings are fine. There may also be times when the up-front cost of a standard rubber part make it seem like the sensible option.

    However if you’re unsure which route to take here are nine reasons for choosing a custom rubber part as a better alternative.

    1. Intricate applications

    A standard product just won’t do. For example, when the moulding is a major part of the end product, such as the rubber boot for the sub-sea cable connectorpictured above. Its design is high on the engineer’s agenda!

    2. Greater sealing surface

    Custom seals can be designed with multiple point contact offering greater seal protection.

    3. Lower friction

    Custom rubber parts can be designed with less ‘squeeze’ to maintain a more effective seal. This results in reduced friction and can be combined with fluorinationtechniques.

    4. Longer life

    Customised materials and design can result in seals lasting longer.

    5. Reduced maintenance and operational costs

    This resulting longer seal life can lead to lower maintenance and operational costs.

    6. Quality of finish

    Tooling is designed to ensure finish and the ability to hold tolerances as required, including flash removal techniques.

    7. Environmental

    Criteria like temperature, pressure, liquids, contaminants, exposure to processes, light, out-gassing and just plain old water may necessitate a custom solution.

    8. Regulations

    Occasionally, the introduction of new regulations will extend the role of the seal. For example, a seal originally designed to prevent ingress of dirt and fluids into a ruggedised electronics unit can be enhanced to shield against EMI.

    9. When you’re not even sure what rubber part you want!

    Sometimes the requirement for a seal, gasket or moulding is only recognised late in the design process or perhaps you know you need a seal or moulding but aren’t exactly sure how it could work.

    Whatever your situation reach out and get in touch. We can help.

    Useful resources

    Our chemical compatibility database and apps

    Our Guides

    Our Videos

    These videos provide useful tips, advice and information about the rubber moulding process and DP Seals.

    Why choose custom rubber parts over standard?

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