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Vacuum Relief Valves
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B100 Pressure & 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.
- Open or Closed vent available
- Standard Pressure settings + 2 mbarg to 100 mbarg
- Standard Vacuum settings - 2 mbarg to - 60 mbarg
- Size range 2” ( 50 mm ) – 12” ( 300 mm )
- Standard body materials – Aluminium, Carbon steel, Stainless steel
- Standard trim material – Stainless steel
- Diaphragm material – PTFE
- Removable seats
- Standard full form flanges – ANSI / DIN
- Lightweight design
- Non standard applications – Consult factory
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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.
- Standard Vacuum settings - 2 mbarg to - 60 mbarg
- Size range 2” ( 50 mm ) – 12” ( 300 mm )
- Standard body materials – Aluminium, Carbon steel, Stainless steel
- Standard trim material – Stainless steel
- Diaphragm material - FEP
- Removable seats
- Standard full form flanges – ANSI / DIN
- Lightweight design
- Non standard applications – Consult factory
Download Data Sheet |
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B300 Pressure 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.
- Open or Closed vent available
- Standard Pressure settings + 2 mbarg to 100 mbarg
- Standard Vacuum settings - 2 mbarg to - 60 mbarg
- Size range 2” ( 50 mm ) – 12” ( 300 mm )
- Standard body materials – Aluminium, Carbon steel, Stainless steel
- Standard trim material – Stainless steel
- Diaphragm material – FEP
- Removable seats
- Standard full form flanges – ANSI / DIN
- Lightweight design
- Non standard applications – Consult factory
Download Data Sheet |
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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.
- Standard Pressure settings + 4 mbarg to 140 mbarg
- Size range 6” ( 150 mm ) – 36” ( 900 mm )
- Standard body materials – Aluminium, Carbon steel, Stainless steel
- Diaphragm material - PTFE
- Machineable seats
- Standard drilled flanges – ANSI / DIN / API
- Automatic re seat
- Non standard applications – Consult factory
Download Data Sheet |
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B500 Gauge Hatch
The B500 Series are designed to provide access to tanks or vessels for sampling, measurement and inspection.
- Size range 3” ( 100 mm ) – 12” ( 300 mm )
- Free lift or screw down option
- Standard body materials – Aluminium, Carbon steel, Stainless steel
- O’Ring seals
- Standard full form flanges – ANSI / DIN
- Non standard applications – Consult factory
Download Data Sheet |
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Flowstar Ni Vacuum Relief Valve
Sizes: ½” to 2”.
Materials: Brass and 1.4571 (316).
Seals: Viton or PTFE.
Connection: BSP or Flanged DIN / ANSI.
Minimum Set Vacuum: -0.02 Barg.
Maximum Set Vacuum: -0.8 Barg (depending on valve size, type and connections).
For more information please contact our sales team.
Download Data Sheet |
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Flowstar Ni Combined Pressure and Vacuum Relief Valve
Sizes: ½” to 2”.
Materials: Brass and 1.4571 (316).
Seals: Viton.
Connection: BSP, DIN 11851 Female or Flanged DIN / ANSI.
Minimum Set Vacuum: -0.02 Barg (depending on valve size and type).
Maximum Set Vacuum: -0.8 Barg (depending on valve size and type).
Minimum Set Pressure:` -0.1 Barg (depending on valve size and type).
Maximum Set Pressure: 3.0 Barg.
For more information please contact our sales team.
Download Data Sheet |
Full range of other Safety Relief Valve types available, fully complying with the requirements of the Pressure Equipment Directive 97/23/EC.
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