Noshok, Inc.
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NOSHOK - Model 400 Series -Standard, Hard Seat Needle Valves
FromNoshok, Inc.
100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability. 10,000 psi pressure rating @ 200 °F. 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 (certain NPT sizes only). 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).
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- Materials: Zinc-nickel plated steel, electropolished 316 stainless steel
- Connections:
- 1/4", 3/8", 1/2", 3/4", 1", 1-1/4" & 1-1/2" NPT
- 7/16"-20 UNF (#4 SAE, J1926)
- Male-female, Female-female, in-line and angled configurations
- Pressure ratings*: 10,000 psi @ 200 °F
- Orifice size:
- 1/4" - 1/2" NPT: 0.187"
- 3/4" - 1-1/2" NPT: 0.438"
- Flow coefficient:
- 1/4" - 1/2" NPT: CV 0.44
- 3/4" - 1-1/2" NPT: CV 2.70
- Steam seal & type: All 316 stainless steel stems with FKM o-ring and PTFE back-up ring below the threads, PTFE or
- Grafoil packing optional for 1/4", 3/8" & 1/2" NPT only
- Options: Panel mountings, o-ring materials, handles, packings, regulating stem and stem tips
- Weight:
- Approximately 1.3 lb. up to 1/2"
- Approximately 4.5 lb. Large Hex, Female-Female
- Approximately 6 lb. Large Hex, Male-Female