needle valve,made of forged stainless steel,high pressure and high airproof, precise making,easy to install,reliable quality.

Features:

1.  Design & Manufacture According to: GB/T 12224-1989 , JB/T 7747-1995,ANSI,ASTM...

2.  Connection: male thread,or butt welding.

3.   Structure Characteristic: awl seals; Movable Disc.

4.   Test: GB/T 13927-1992,API598...

5.   Material:forged Carbon steel:GB/T 12228-1989,forged Stainless steel:GB/T1220-1989.

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