Spence Pump Governor Pilot

The type P is designed as a self contained and spring operated pilot. Normally open and of packless contrstruction, type p has three adjustable spring ranges. Generally used in steam applications, and provides constant average discharge pressure. The Governor pilot provides accurate regulation no matter what the service conditions. The type P is available in four additional models;
Type P13: features a spring for controlling pressures 100 to 300 psi.
Type P14: features three spring ranges for controlling pressures 5 to 150 PSI.
Type P15: features two spring ranges for controlling pressure 3 to 25 PSI.
Type P32: is piston driven and features three spring ranges for controlling pressure 200 to 2000 PSI.