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
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