Safety valves
These valves are designed to automatically prevent a safe pressure being exceed in a system and should normally be fitted after a reducing or control valve. These valves can be full lift, like our Double Action series, normal lift Vigilant or pop type SuperVigilant.
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Double Action full lift safety valve
- British full lift design to BS759.
- Capacity certified by A.O.T.C.
- Suitable for steam, gas, water and other fluids.
- High temperature and totally enclosed flow options.
- 10 sizes and 3 material combinations.
- Springs to BS759 and BS1726 class A.
Download the Double Action safety valve data sheet here.
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Vigilant safety valve
- Blowdown characteristic of 5% to 10%.
- Totally enclosed flow design with external spring unaffected by process fluid or temperature.
- Soft face version available.
- Normal lift design to BS759 and BS1500.
- Rated flow achieved within 10% overpressure.
- Fully guided, strong construction with stainless steel trim minimises deformation and leakage.
- Constructed from standardised parts for easy maintenance.
- Springs to BS1726 class A give a clean opening, stable performance and positive closing.
Download the Vigilant safety valve data sheet here.
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SuperVigilant safety valve
- High capacity to match modern control valves and systems.
- Designed to BS6759 and TUV.
- 6 sizes plus complementary range.
- Precision lapped faces, correct seat alignment for tight shut off.
- 4 material versions including stainless steel and copper free.
- Fixed blowdown for simplicity and reliability.
- Limit switches for remote monitor.
- Easy strip including seat and lid for CIP zones and maintenance.
- Springs to BS1726 in a variety of materials - the key to good performance.
Download the SuperVigilant safety valve data sheet here.