Pressure gauges snubbers

What is a snubber?

A snubber (also called a check valve) protects a pressure gauge against pressure spikes and sharp fluctuations. It helps to prolong the life of a gauge when used in challenging or harsh conditions. Without a snubber, a rapid change in pressure can cause internal seals within the gauge to rupture, thus allowing the liquid media under pressure to enter the gauge.

What type of snubber should I use?

Piston Snubbers

These contain a piston which moves freely, acting as a barrier to any increase or sharp pulse of pressure. When this happens, the piston is forced against the orifice of the gauge, preventing damage from occurring.

Porous Snubbers

These contain a semi-permeable mesh disc which creates a barrier against the force of pressure, slowing it down so the gauge is protected. Care must be taken to clean the mesh if the media present in the pipework.

Adjustable Snubber

These contain an adjustable needle valve which enables the operator to control the flow of pressure even during operation.

To find out more about any of our pressure gauges, please contact sales@brannan.co.uk