Temperature Murphy B-Series 20TG-250-4-1/2B SE


Temperature Murphygage (P/N 01702523)

The B-Series Murphygage instrument is a high quality, diaphragm-actuated indicating gage. Built by Murphy with the same heavy-duty design as the standard 20 series and 25 series Swichgage instrument, the B-gage is more compact and is the optimum instrument for gage-only applications. It has a high impact polycarbonate lens, sturdy steel case, and a polished, low-profile stainless steel bezel. Accuracy and protection from moderate over-pressure/over-temperature and assured by a unique, unitized diaphragm chamber, superior quality materials, and the design of the gage movement.

This product may vary on delivery times, as factories do not guarantee production due to lack of raw materials.

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Temperature Murphygage instrument

As temperature rises, the flud is the sensing bulb vapirizes to apply pressure on the diaphragm; the movement translates this vapor pressure to a calibrated reading of temperature on the dial. The standard capillary is copper with PVC armor. Optional armor covering is galvanized steel or 316 stainless (specify). Optional bulb types, adaptor nuts and thermowells are available.


Industrial engines and equipment in Oil Field, Marine, Irrigation, Construction and Trucking industries. Monitoring Engine Collant, Crankcase Oil, Transmission Oil.


Additional information

Weight 0.5 kg

10702523, 20BGT-250-4-1/2B SE



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