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MODEL 700 CONTROL VALVE
Figure 1-2: Pilot in fully open position
A. Needle valve / strainer
B. Manual pilot control
C. Inlet pressure
D. Outlet pressure
Open controlled position
In Figure 1-3 the valve is partially open. Y-port (P3) is open to Z-port (P2) but is being
restricted by the control pilot. The pilot control is a variable orifice that regulates the
pressure at Y-port (P3) by controlling the flow through Z-port. Increasing or decreasing the
Y-port pressure (P3) causes the piston to change positions.
Introduction User manual
November 2020 P/N 3-9008-553
12 Daniel Series 700 Control Valve
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