The NABIC 520 High Lift Double Spring Safety Valve has been designed and tested to BS6759. Based on the proven design of the NABIC 500 Safety Value, the high capacity and resilient PTFE seating make the NABIC 520 ideal for steam, hot water, air and inert gas applications. NABIC Valves now come with an Industry leading 5 Year Guarantee.
Sizes: 2.1/2" x Dual 2" (DN65), 3" x Dual 2.1/2" (DN80), 4" x Dual 3" (DN100)
Connections: Flanged Inlet x Female BSPP Outlet
Materials: Gunmetal Body, Stainless Steel wetted parts, Stainless Steel with PTFE disk
Set Pressure: 0.4 Barg to 12.5 Barg
Temperature: -20 degC to 195 degC Max
Note: We set and test the valves here to the set pressure you require before shipping.
