Murphy 20P-75 Oil Pressure Gauge

The Murphy 20P-75 Oil Pressure Gauge is a versatile and reliable instrument used to monitor oil pressure in industrial applications. With its built-in electrical switch and durable construction, this gauge is designed to provide accurate readings and trigger alarms or shutdown devices when necessary. In this buying guide, we will explore the product specifications, key features, usage scenarios, competitors, user reviews, price analysis, and buying considerations to help you make an informed purchasing decision.

• Part No.: 20P-75
• Range: 0-75 psi (0-517 kPa)
• Dial: White on black, dual scale; USA standard scale is psi/kPa
• Case: Plated steel; mounting clamp included (except for direct mount models)
• Bezel: Polished stainless steel
• Lens: Polycarbonate, high-impact
• Oil: Silicon Oil
• Temperature Range: Ambient: -40°F (-40°C) thru 150°F (66°C). Process: -40°F (-40°C) thru 250°F (121°C)
• Process Connection: 1/8-27 NPTM brass
• Sensing Element: Beryllium copper diaphragm
• Adjustable Limit Contact: SPST contact; pilot-duty only, 2 A @ 30 VAC/DC; Normally Close (NC) when the low limit is met. Normally Open (NO) when pointer is in normal operating range. Contacts are gold flashed silver.
• Limit Contact Adjustment: by a 1/16 in. hex wrench thru 100% of the scale
• Limit Contact Wire Leads: 18 AWG (1.0 mm2) x 12 in. (305 mm)
• Unit Weight: 8 oz. (0.23 kg)
• Unit Dimensions: 3 x 3 x 3 in. (76 x 76 x 76 mm)

• Diaphragm-actuated pressure gauge
• Built-in electrical switch for alarm and shutdown
• Easy-to-read dial with dual scale
• Durable construction with plated steel case
• Polished stainless steel bezel
• High-impact polycarbonate lens
• Wide temperature range for both ambient and process conditions
• 1/8-27 NPTM brass process connection
• Adjustable limit contact with gold flashed silver contacts
• Easy limit contact adjustment with a 1/16 in. hex wrench
• 18 AWG wire leads for limit contact
• Compact and lightweight design

• Industrial machinery and equipment
• Engine monitoring systems
• Hydraulic systems
• Compressor systems
• Pump stations
• Power generation
• Marine applications

• I have been using the Murphy 20P-75 Oil Pressure Gauge for several months now, and it has been performing flawlessly. The readings are accurate, and the built-in electrical switch allows me to set up alarms and shutdown devices to ensure the safety of my equipment.
• The dual scale dial is easy to read, and the durable construction gives me confidence that this gauge will last for a long time. The adjustable limit contact is a great feature that allows me to customize the settings based on my specific needs.
• Overall, I am highly satisfied with the performance and reliability of the Murphy 20P-75 Oil Pressure Gauge.

• The price of the Murphy 20P-75 Oil Pressure Gauge is competitive compared to similar products in the market. Considering its quality construction and reliable performance, the gauge offers good value for the price.

• Ensure the gauge is compatible with your specific application and pressure range requirements
• Consider the temperature range to ensure it can withstand your operating conditions
• Evaluate the mounting options and choose the appropriate model for your installation
• Compare prices from different retailers to find the best deal

The Murphy 20P-75 Oil Pressure Gauge is a reliable and versatile instrument that provides accurate readings and allows for alarm and shutdown functionality. Its durable construction and wide temperature range make it suitable for various industrial applications. With positive user reviews and a competitive price, it is a recommended choice for those in need of an oil pressure gauge.