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Differential Pressure Reducing Regulator

Category: Differential Pressure Regulator, General Service

Models 8310HP-1+6 and 8310HP-1+8 are differential reducing regulators used to maintain a relatively constant pressure differential between the fluid loading pres sure – P Load, and the valve’s outlet pressure – P2, with P2 pressure higher than P Load pressure.

Model 8310HP-1+6 is a single-diaphragm differential construction. Model 8310HP-1+8 is a double-diaphragm differential construction. A double-diaphragm design prevents the fluid passing through the body from mixing into the loading fluid pressurizing the spring chamber in the event of a diaphragm failure. (See Figures 1 and 2).

The design takes advantage of all the features of the basic 8310HP double seated reducing regulator; see Technical Bulletin 8310-BASIC-TB. The availability of optional construction is limited to those indicated in this Technical Bulletin.