Special Valves

High Pressure Threaded Needle Valve

High Pressure Threaded Needle Valve are an ideal option for isolating or throttling applications. The self centering, non rotating stem ensures perfect seating. The rigid design gives repetitive bubble tight shut off, easy Standard Specifications :End connection : NPT / BSPP / BSPT Maximum working pressure :700 bar / 10000 PSI at 1000 C(see pressure temperature chart on Page No. 4 for higher temperature applications)Material : 316 SS / 316L SS / 304 SS / Carbon steel MOC in accordance with NACE MR0175 is available on request.Monel, Inconel, Hastelloy, Duplex steel are also available on request. Gland packing : PTFE / Graphite.


  1. Nominal pressure:3000psi,6000psi.10000psi
  2. Nominal diameter:1/4",3/8",1/2",3/4",1"
  3. End Connection: female/male threaded, butt welded
  4. Applicable medium: W.O.G,and some corrosive medium.
  5. Applicable Temperature: PTFE packing -15°C--<230°C),Grafoil Packing<570°C.
  6. Materials: A105,SS304,SS316 etc. strictly comforms to NACE MR-01-75.

To know more details, please download catalogue or contact with us.

High Pressure Threaded Needle Valve

Wenzhou Topnotch Machine Co.,Ltd is a professional leader China  6000psi High Pressure Stainless Steel Thread Needle Valve,stainless steel SS304 needle valve,threaded needle valve,6000psi high pressure needle valve,10000psi needle valve,carbon steel A105 needle valve manufacturer with high quality and low price.Welcome to contact us!

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