The differential pressure range is 0.5-80 PSI.

Block and discharge three-way valve.

Maintain a constant and accurate set point.

Designed for 1% plus or minus repeatability of set points.

Small dead zone between trip and reset pressure.

The spring can be replaced by the sensing pressure present in the instrument and sensor.

If the piston seal leaks, the vent above the sensing piston prevents high pressure from entering the instrument supply.

Optional mounting brackets are provided.

SS-1 and SS-2 models are available.

SIL 3 certified models are available.