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The 20 and 25 Series SWICHGAGE® models are diaphragm-actuated, pressure-indicating gages, with built-in electrical switches. These switches are used for tripping alarms and/or shutdown devices.

FW Murphy Production Control - Products that improve the pretection, performance and reliability of engines

For more than 70 years, companies around the world have depended on FW Production Controls for monitoring and protection of their engines and driven equipment. FW Murphy Production Controls' product line includes engine instruments that monitor critical functions. The product line offers instrumentation, compressor controls, custom panels, auto start/stop controllers and more. FW Murphy Production Controls has a history of reliability, with products designed to meet the highest durability standards. To meet market changes, they  constantly creates new solutions, improve existing products and maximize manufacturing efficiencies.

FW Murphy Rich Burn & Lean Burn Air Fuel Ratio Controllers for Natural Gas Fueled Engines
Murphy’s Compliance Richburn AFR line controls rich-burn, natural gas-fueled engines – maximizing the efficiency of a three-way catalyst by maintaining the proper air-fuel ratio over varying engine loads, speeds, fuel quality, ambient temperatures and barometric pressures. From the AFR-1 to the multi-setpoint AFR-9 and AFR-64 systems, Murphy’s controllers work without operator intervention, are easy to use and offer on-board diagnostics.

Learn more about FW Murphy Rich Burn & Lean Air Fuel Ratio Controllers for Natural Gas Fueled Engines