Combines isolating and venting in a single valve, eliminating the need for tubing and fittings
Block valve isolates the downstream process fluids and the bleed valve exhausts upstream fluids enabling instruments to be removed without disturbing the permanent piping installation
The 1/4" NPT vent plug is located 90° to the left and may be removed and replaced with exhaust piping to direct the fluids to a safe location
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
6,000 psi pressure rating @ 200 °F
Replaceable Delrin® seat, and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
PCTFE or PEEK soft seat optional
Blow-out proof stem provides a secondary stem seal in the full open position
FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE packing optional
All stems are 316 Stainless Steel
All stem threads are rolled for strength and ease of operation
One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads
Slotted spring pin to prevent accidental loosening
Vinyl dust cap for bonnet and stem (non-packing)
Materials - Zinc-nickel plated steel, electropolished 316 Stainless Steel
Connections - 1/2" & 1/4" NPT
Male-female & Female-female configurations available, right venting optional
Pressure ratings - 6,000 psi @ 200 °F