Product Description

Stainless steel NPT female/male thread 3000-6000 psi needle valve

1.NF series needle valves are for use in one-piece forged valve body 
2.The hardened stainless steel, nonrotating needle promotes leak-tight shutoff and long service life.
3.The up stem threads are cold rolled for high strength and smooth operation.
4.The valve stem threads are isolated from the media.
5.Straight and angle patterns,compact design.
6.Stainless steel and other alloy steel body materials can be seleced.
7.Safety back-seating needle seals in fully open position.
8.Two piece knuckle joint provides nonrotating needle feature. Joint is located above the packing, protected from system media.
9.NF series standard pressures up to 6000 psig (413 bar).
   NHF series maximum working pressure up to 10 000 psig (689 bar).
10.Temperatures

11.Suitable for sour gas service; materials are selected inaccordance with NACE MR0175/ISO 15156.

12.Every valve is 100% factory tested with nitrogen