Block and Bleed Valve – H type
High integrity instrument isolation of pressure gauges and pressure transmitters.
- One piece bar stock construction with full material traceability.
- Back seating of stems in a fully open position prevents stem backout.
- Locking of valve bonnet prevents accidental removal while operating valve.
- Stem seal isolates the lubricated stem threads from the process.
- Stainless steel models of needle, gauge and instrument manifold valves, equipped with needle stems, are available conforming to NACE MR-0175.
All valves are designed in accordance with ASME Section VIII, Div. 1.