This series of needle valves are used for flow cut-off and regulation. Hardened non-rotating spool structure, valve stem and spool through the chain connection, can reduce packing wear, ensure the reliable cut off flow and adjustment stability, longer service life.
Designing Features:
-Compact design
-Stainless steel stop pin
-Straight or angle patterns
-Body Styles: Welded or Threaded Ends
-Stem threads above packing, protected from system media
-Non-rotating, hardened needle design for leak-tight shutoff and long service life
-Safety back-seating needle design seals in fully open position
-Suitable for sour gas service; materials are selected in accordance with NACE MR0175/ISO 15156.
-Optional Multi-port or Instrument Manifold Constructions