Nabic™ Series 500 Safety Relief Valve - Industrial Ancillaries

Nabic™ Series 500 Safety Relief Valve

The Series 500 High Lift Safety Relief Valve has been designed primarily for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required.

High Capacity and resilient PTFE seating also make the Fig 500 ideal for steam, air and inert gas applications. A PTFE to Viton® seating design is available where greater seal tightness is required.

The Series 500 safety relief valve is constructed in gunmetal, with diaphragm protected working parts and PTFE tp metal seating. All wetted parts are manufactured from dezincification resistant materials, approved by the Water Regulations Advisory Scheme for use on potable water.

Standard inlet and outlet connections have female threads to BS 21, with the outlet connection one size larger than the inlet.

Technical Data Summary
Specification Details  
Body Material Gunmetal
Maximum Set Pressure 12.5 bar
Maximum Temperature 195°c
Design Features  
Resilient PTFE Seating Design
High degree of seat tightness
Suitable for hot water, steam and air
High discharge capacity
Diaphragm protected working parts
Safe manual testing
Easy inspection and cleaning
Pressure setting locked and sealed
Designed and tested to BS 6759
Approvals  
Capacities certified by AOTC
Approved by Water Regulations Advisory Scheme
UKWFBS Listed
Optional Features  
  Padlock available

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