20V-30 (05703195): Vacuum Swichgage 20BTG Temperature Murphygages The 20P-75 Pressure Swichgage is

The 20P-75 Pressure Swichgage is a 2" dial

The 20T-300-8-1/2 is a part of the 20 Series (2 inch/51 mm dial) Swichgage models which are diaphragm-actuated

Contacts are isolated through ground

and the reliability of Murphy's famous instruments

the PD2160 is mounted in the manifold or on any pressure/vacuum input

20V-30 (05703195): Vacuum Swichgage 20BTG Temperature Murphygages The 20P-75 Pressure Swichgage isThe 20V 30 Vacuum Swichgage is a 2" (51 mm) dual scale dial, diaphragm actuated vacuum indicating gauge with a built in electrical switch for tripping alarms and or shutdown devices. This model has an adjustable range of 0 30 inches of Hg kPa. The gauge mechanism is enclosed in a steel case coated to resist corrosion. It features a polycarbonate, break resistant lens and a polished, stainless steel bezel to help protect this rugged, built to last