Fig 500 ideal for Air and inert gas applications,and Fig 542 Safety Relief Valve -Hot Water Systems available with PTFE , Approved by the Water Research Centre for use on Potable Water. Pressures 1 - 12 Barg.
Constructed in Gunmetal, with diaphragm protected working parts and PTFE to metal sealing. All wetted parts are manufactured from dezinification resistant materials. High Discharge Capacity, Capacities certified by ATOC and UKWFBS listed. Sizes from 3/8" BSP(P) to 2" BSP(P)