Nabic™ Series 542 Safety Relief Valve

The Nabic Series 542 Safety Relief Valve is an extremely versatile relief valve, suitable for use on hot water, steam or air. Although designed primarily for the protection of hot water boilers, its wide range of applicants make it an ideal safety relief valve for stocking as a general purpose safety valve.

The Series 542 is of gunmetal construction, with diaphragm protected working parts and PTFE to metal seating. All wetted parts are manufactured from dezincification resistant materials, approved by the Water Research Centre for use on potable water. Inlet and outlet connections are of equal size, with female threads to BS 21. Sizes from DN 32 upwards are available with flanged inlet connections.

Technical Data Summary
Specification Details  
Body Material Gunmetal
Maximum Set Pressure 10.5 bar
Maximum Temperature 195°c
Design Features  
Resilient PTFE Seating Design
Suitable for hot water, steam or air
High degree of seat tightness
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

We have placed cookies on your device to help make this website better.

Your Basket