- 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)
All NOSHOK valve products conform to the MSS SP-99 instrument valves standards, and valves supplied with packing also
conform to MSS SP-132 compression packing systems for instrument valves standard.
