NOSHOK 200002/210002 Series 2-Valve Narrow Block & Bleed Manifold Valves Hard Seat & Soft Seat
- 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 static pressure transmitters, switches or gauges to be removed without disturbing the permanent piping installation
- Block valve is located on the left side and the bleed valve is located on top in a 90° orientation, venting is to the right
- 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
- 200002/200402 Series hard seat valves have 10,000 psi pressure rating @ 200 ºF
- 210002/210402 Series soft seat valves have 6,000 psi pressure rating @ 200 ºF
- 210002/210402 Series valves also feature a replaceable Acetal 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 or Graphite packing optional
- All stems are 316 Stainless Steel
- Stem and bonnet 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 caps for bonnets and stems (non-packing)