Oliver Valves
Oliver Valves Product Range

Gauge Valves

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Oliver Valves' offer both G12 and GB type Gauge Valves. Our G2 type 2 valve manifolds are designed for remote mounting to static pressure transmitters. Our GB type Gauge Bleed Needle Valves are 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.


In addition to the standard isolation needle valve, Oliver Valves can provide small manifolds specifically for gauge isolation.

The gauge valve comes in many configurations, ranging from single isolate valves with a bleed port, to block and bleed valves with varying end configurations. Our gauge valves, as standard, are rated to 413bar (6,000psi), but can be rated at 689bar (10,000psi) and are available in a range of different materials.

We offer a variety of different Gauge valves, including:

  • Two Valve Manifolds
  • Gauge Bleed Needle Valves
  • Gauge Vent Valves
  • Gauge Multiport Valves

Our Two Valve Manifolds with female x female connections are suitable for wall mounting and bottom venting. The valves will operate up to 6,000 psi. Different materials and a variety of options are available to suit your requirements.

Our Gauge Bleed Valves have a 1/4" UNF bleed outlet. The valves will operate up to 6,000 psi and bleed screws are supplied as standard.

Our Gauge Multiport Valves are supplied with one male inlet and three female outlets. The valves will operate up to 6,000 psi and inlet lagging extensions are available.

Our 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.

3D Models are available upon request.

Gauge Valve Specifications:
PSI Rating6,000 PSI Standard - Up to 10,000 PSI (depending on model/type)
End ConfigurationsSingle isolate valves with a bleed port, to Block and Bleed
TipsNon rotating tip - self centering & anti-galling
RingPiston ring - gives dynamic adjustment of gland seal in response to pressure change
SpindleAnti-blow out spindle - a major safety feature
SealPrecision machined Secure Seal - available in either PTFE or graphite foil

Question: What do the Red, White and Black seal covers on the valve spindle mean?

Answer: The Red headunit cover is PTFE, the Black is Graphite and the White is for Oxygen service


Question: I need to know what the specs are for the following part number.....G12MFS75INMTG. I can not find this info on your product data sheet for Type 2 valve manifolds. What does the 75IN of the above mentioned part number mean?

Answer: The 75IN means 3/4" NPT Male inlet.