Colson 1/2 inch NPT female double block and bleed valve (EN10088:3-2005 1.4404/1.4401-AISI 316/316L to NACE MR-01-75) ball/needle/ball. Ball valves fitted with PVDF seats PTFE / RTFE seals and st/st lever handles Needle valve vent: fitted with two piece stem (316SS) Non-rotating tip (17-4ph) PTFE packing and 'T' bar operated 1/2 inch NPT vent port Rated 6,000 psi
Colson 1/2 inch NPT female double block and bleed valve (EN10088:3-2005 1.4404/1.4401-AISI 316/316L to NACE MR-01-75) ball/needle/ball configuration: PVDF seats, graphite seals, lever ball valves and 'T' bar vent operated, 1/2 inch NPT female vent port c/w look blank plug, rated 6,000 psi, firesafe design
