Bleed and Purge Valves

The Screwed Bonnet Union Weld Needle Valve is a robust, precision shut-off valve designed for high-pressure and high-temperature service.It features a screwed bonnet construction for easy maintenance and a union weld connection (socket weld or butt weld) that ensures a leak-proof, permanent joint with process piping.Ideal for demanding applications where vibration, temperature fluctuation, or high pressure could compromise threaded joints.   Typical Type Of Needle Valve: a. Straight Type Needle Valve: Inlet and outlet ports are inline (180°). b. Angle Type Needle Valve: Inlet and outlet at 90°. c. T-Pattern (Globe Type): Flow turns 90° internally with top-mounted stem. d. Cross Type Needle Valve: Four ports (two inlet/outlet pairs).