Spence Valve Pressure Reducing Regulators

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Spence regulators unique design provides one main valve - single seated, normally closed, with balanced metal diaphragm - that can be controlled by various types of interchangeable pilots to provide the following self-operated regulators:

Two or more pilots may be connected to a main valve to serve multiple purposes, such as to control both temperature and pressure.

The Spence Type ED regulator (pictured above) is commonly used for the majority of the pressure reduction needs for steam, air, gasses, water and other liquids. Four pilots with nine spring pressure ranges provide reduced pressures from 15 inches vacuum to 350 psi.

In selecting the proper valve, the following information will be needed:

1. Inlet pressure
2. Flow Rate
3. Flow Media (i.e.: Steam, Water, etc.)
4. Desired Delivery Pressure
5. Noise Restrictions, if any
6. Type of Pilot Control (i.e.; Self Contained, Pneumatic, Electronic, etc.)
7. Application (i.e.: Temperature Regulation, Single Stage Pressure Regulation, etc.)