Gauge Vent Valve

The ‘GV’ Type Gauge Vent Needle Valve is designed for safe and reliable isolation, giving bubble tight shut off, with non-rotating & anti-galling tip and dynamic self adjusting spindle seal to give long service life in a variety of applications.

The additional ability to bleed the gauge cavity to atmosphere and also connect a calibration device, via a ¼” NPT female connection is included. 


Standard Specification

Gauge Vent Valves have a 1/4" UNF bleed outlet.

The valves will operate up to 6,000 psi and bleed screws are supplied as standard.

Key Features

  • Non rotating tip - self centering & anti-galling
  • Piston ring - gives dynamic adjustment of gland seal in response to pressure change
  • Anti-blow out spindle - a major safety feature
  • Secure seal - precision machined to give leak free operation for the life of the valve. Available in either PTFE or graphite foil

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