Emerson EZH and EZHSO Series Pressure Reducing Regulators Bedienerhandbuch PDF herunterladen (Seite 7)

Standard Pilots

Hard Trim Pilot Systems (continued)

Figure 6b: the regulator spring tries to open, the “Fail to

Open” mode is also managed by the regulator spring.

A94

RM2

RP2

PR2

Pu: Inlet pressure

Pd: Outlet pressure

Pm: Modulated pressure

RP: Pilot Reject

IP: Pilot Impulse

IS: Slam-Shut Impulse

R2: Pilot Feed tap

F2: Filter

RM2: Motorized Pressure tap

RP2: Pilot Reject tap

PR2: Pre-expansion Relay

PA: Active Pilot

Figure 6a. Type EZHSO Regulator with Type BSL 85 Pilot System

Europe, Middle East, and Africa Only

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Emerson EZH and EZHSO Series Pressure Reducing Regulators Bedienerhandbuch Seite 7