3B Controls Ltd

22 PRODUCTS/SERVICES
- EMPLOYEES
- YEAR FOUNDED

We are manufacturers of low pressure valves and vacuum relief valves. With over 40 years of experience in the low pressure tank market, as well as low pressure valves and vacuum relief valves, we also manufacture and supply a wide variety of further related products. They include breather valves‚ gauge hatches‚ emergency vents‚ manways‚ gas blanketing valves‚ pilot operated valves and flame arresters.

Valves are exported throughout the world on standard four week deliveries. Urgent requirements can be despatched in days rather than weeks. PV valves are manufactured in carbon steel‚ stainless steel‚ hastelloy‚ aluminium and a variety of exotic alloys and plastics such as polypropylene. Steam jacketed valves are also available.

B100 Pressure and Vacuum Relief Valve

Our extensive product range includes the manufacture and supply of the B100 pressure and vacuum relief valve. The B100 series ensures that tanks and vessels are kept safe during periods of excessive pressure and vacuum caused by filling and emptying of product and changes in temperature due to climatic or external fire sources.

Features of the B100 pressure and vacuum relief valve include:

  • Open or closed vent available
  • Removable seats
  • Standard full form flanges
  • Lightweight design
B100 Pressure and Vacuum Relief Valve

B200 Vacuum Only Relief Valve

Our immense product range also includes the B200 vacuum only relief valve. The B200 series ensures that tanks and vessels are kept safe during periods of excessive vacuum caused by emptying of product and changes in temperature due to climatic changes.

Features of the B200 vacuum only relief valve include:

  • Standard body materials - aluminium, carbon steel, stainless steel
  • Standard trim material - stainless steel
  • Diaphragm material - FEP
  • Standard full form flanges - ANSI/DIN
  • Lightweight design
B200 Vacuum Only Relief Valve

B300 Pressure Only Relief Valve

A further option we manufacture and supply is the B300 pressure only relief valve. The B300 Series ensures that tanks and vessels are kept safe during periods of excessive pressure caused by filling of product and changes in temperature due to climatic or external fire sources.

The B300 pressure only relief valve has:

  • Open or Closed vent availability
  • Standard Pressure settings + 2 mbarg to 100 mbarg
B300 Pressure Only Relief Valve

B400 Series Emergency Relief Manway

We are suppliers of the B400 series emergency relief manway. The B400 Series ensures that tanks and vessels are kept safe during periods of excessive pressure due to external fire sources and also allows access to the tank for inspection/cleaning purposes.

Features of the B400 series emergency relief manway include:

  • Standard Pressure settings + 4
  • mbarg to 140 mbarg
  • Size range 6” (150 mm) - 36” (900 mm)
  • Diaphragm material - PTFE
  • Machineable seats
B400 Series Emergency Relief Manway
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