These vapor/pressure actuated gages feature a sealed capillary tube and a sensing bulb. Go to the Frank W Murphy Ltd. website for more information. FW Murphy Pressure Gauge 2" 20P Series (20P-100) 5.0 out of 5 stars 5. Add to cart; MURPHY TEMPERATURE SWITCH GAUGE 6FT CAPILLARY 20T-B31-250-6-1/2 $ 289.04. MURPHY 20T-250-6-1/2 (130-250 F) Temp Gauge (10702043). Find many great new & used options and get the best deals for Murphy Temperature Gauge 20t 250 10 1/2 at the best online prices at eBay! Product Overview: The 20 Series (2 inch/51 mm dial) and the 25 Series (2-1/2 inch/64 mm dial) Swichgage models are diaphragm-actuated, temperature-indicating gages with built-in electrical switches for tripping alarms and/or shut-down devices. For these models the gage pointer makes with an adjustable contact to complete a pilot-duty circuit. 20T-250-6-1/2 Murphy Temperature Swichgage (130-250 F) (10702043) New. Murphy: 20T Series Mechanical Temperature gauge with switch. Combination Indicating Gage and Limit Switch Swichgage® instruments are built in the USA and have protected engines and equipment in applications such as oil and gas, marine, irrigation, construction and trucking applications to monitor engine coolant, crankcase oil, transmission oil and others for more than 80 years. Murphy 20T-250-8-3/8 Temperature Gauge Thermometer Capillary Indicating. A20T / A25T Series Temperature Swichgage® | Murphy by Enovation Controls A20T / A25T Series Temperature Swichgage ® The A20 Series (2 inch/51 mm dial) and the A25 Series (2-1/2 inch/64 mm dial) Swichgage models are diaphragm-actuated, temperature-indicating gages, with built-in electrical switches for tripping alarms and/ or shutdown devices. The A20 Series Murphy temperature gauge is a diaphragm-actuated, temperature-indicating gauge, with built-in electrical switches for tripping alarms and/or shutdown devices. Used in engines from the construction and industrial to marine and trucking industries, Murphy temperature switch gauges play a vital role in the operating efficiency of diesel engines. ( Brand: MURPHY ), ( Manufacturer Part Number: 20T-250-40-1 /2 ) MURPHY 20T-250-40-1/2 Gauge Description. The diaphragm translates this vapor pressure into a mechanical gage reading. 4.8 out of 5 stars 9 ratings. Murphy 20BTG Temperature Gauges. Critical/High Temperature Limit Switch Is Visible and Adjustable (Most Models) Switch Can Activate Alarms and/or Shut Down Equipment. $149.99. All configurations may not be available. For series A20T and A25T, the gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Item will ship via ups once payment clears. All models of these rugged, built-to-last instruments are fully sealed from the environment by the unique combination of a polycarbonate case and lens, a polished stainless steel bezel and O-ring seals. 20T / 25T Series Temperature Swichgage® Ranges are available from 32°-120°F (0°-45°C) through 300°-440°F (160°-220°C). They have a range of 40°-120°C. A polycarbonate, break- resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. Contact(s) are isolated from ground. The B-Series Murphy temperature gauge is a high quality, diaphragm-actuated indicating gauge. which are known to the State of California to cause cancer, birth defects or other reproductive These models DO NOT offer the built-in electrical … Enovation Controls is known for its Murphy gauges, and there's a good reason why. ( 0°-45°C ) through 300°-440°F ( 160°-220°C ) pressure against a diaphragm.... 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