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HBNV Series Needle Valves
HEX. BAR STOCK, HARD SEAT, GLOBE PATTERN, 6000PSI

OVERVIEW

The HBNV series are machined from hexagonal bar stock and supplied in 316 stainless steel and carbon steel with yellow zinc plated.  HBNV series are produced in 1/2", 3/4" and 1" with male-female and female-female threaded connections.  End thread is available in NPT, BSPT and BSPP.  The HBNV series are designed with a metal seat for severe working conditions.

FEATURES

  • Non-rotating stem plug moves axially into and out of the seat without rotation to eliminate seat galling.
  • The stem threads are rolled and lubricated to prevent galling and reduce operating torque.
  • Valves are assembled with standard T bar handles.
  • All bonnets are assembled with a locking pin to prevent accidental removal while in service.
  • Teflon packing can be adjusted to increase valve life.
  • Stem packing below the threads prevent from the contaminant by process.
  • The valves feature safety back seating to ensure a secondary stem seal.
  • Valve seat and stem tip are particularly finished to extend service life.
  • caps are fitted to contain stem lubricant and prevent the ingress of contaminants.
  • All valves are hydrostatically tested to 1.5 times maximum working pressure prior to shipment.
  • The valves are heat code traceable.