Piston Differential Pressure Gauges are suitable for hazardous area and heavy duty application. These Pressure Gauges come in stainless steel made body and flameproof aluminium enclosure. These Pressure Gauges operate on differential ranges from 5 psi up to 150 psi. These Piston Differential Pressure Gauges are offered with reed switches to initiate alarms, activate other equipment, or shut the system down.