Gauge protector seal

Details Gauge protector seal Gauge protector seal

G - Physics

01

L

73/129, 137/147

G01L 7/08 (2006.01) G01L 7/16 (2006.01)

Patent

CA 1083386

Abstract of the Disclosure This invention provides a leak proof seal between a high pressure fluid line and a gauge monitoring the pressure Or the fluid in the line. This seal transmits pressure fluctuations between the measured fluid and a dissimilar fluid in the standing line connected to the measuring gauge and prevents the coningling of the two fluids. This invention is particularly applicable in instances where the ambient temperature is below the freezing point of the measured fluid and a non-freezing fluid is required in the standing line and gauge. The gauge protector seal comprises an in-line elastomeric piston and cylinder which passes through variations in the pressure in the measured line to the fluid in the standing line to the gauge while maintaining separation Or the two fluids and at the same time allowing the non-freezing fluid in the standing line to lubricate the piston.

285686

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