Noshok
2000/2100 Series 2-Valve Block & Bleed Manifold Valves
2000/2100 Series 2-Valve Block & Bleed Manifold Valves
Key Features
- 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
- 2000 Series hard seat valves have 10,000 psi pressure rating @ 200 °F
- 2100 Series soft seat valves have 6,000 psi pressure rating @ 200 °F
- 2100 Series valve also features a replaceable Delrin® seat, and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
- 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 Grafoil® 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)
- Zinc-nickel plated high tensile strength 4140 steel mounting bolts included for flanged connections
SPECIFICATIONS | |
Materials | Zinc-nickel plated steel, electropolished 316 stainless steel |
Connections | 1/2" NPT, 1/4" NPT, NPT-flange, Flange-flange, NPT-NPT configurations available |
Pressure ratings | Hard Seat: 10,000 psi @ 200 °F Soft Seat: 6,000 psi @ 200 °F |
Orifice size | 0.187" |
Flow coefficient | Hard Seat: CV 0.44 Soft Seat: CV 0.76 |
Stem seal & type | All 316 stainless steel stems with FKM o-ring and PTFE back-up ring below the threads, PTFE or Grafoil® packing optional |
Options | Panel mountings, o-ring materials, handles, packings, regulating stem and stem tips |
Catalogs
Catalog Pages
179.4 kB