TRERICE - 865/880 Series Gauge Cocks
Constructed from brass and intended for use on air lines where leakage is not of concern. It is recommended to place a needle valve, ball valve or gauge cock in line before every pressure gauge installation.
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Pressure Impulse Dampeners are designed to improve
readability and prevent wear on delicate gauge mechanisms by
slowing rapid pressure changes and reducing shock and chattering.

Pressure Snubbers are designed to improve
readability and prevent wear on delicate gauge mechanisms by
slowing rapid pressure changes and reducing shock and chattering.

Made of steel, brass, or 304 SS with a 180° coil; used in steam applications, prevents steam from reaching the bourdon tube.

These valves are of the rising stem type and are designed to shut off the flow of the process media to the pressure gauge. It is recommended to place a needle valve, ball valve or gauge cock in line before every pressure gauge installation.