张家港油研单向调速阀安装说明书

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　　type valves and maintain a constant flow rate

　　independent of change in system pressure （load） and

　　temperature （viscosity of the fluid）。 They control flow

　　rate of the hydraulic circuit and eventually control

　　speed of the actuator precisely.

　　Valves with an integral check valve allow a controlled

　　flow and reverse free flow. Repeated resetting can be

　　made easily with a digital readout.

　　Pilot Operated Flow Control

张家港油研单向调速阀安装说明书

　　and Check Valves …… Page 14

　　Flow control of these valves is continuously made by

　　a hydraulically operated pilot piston mechanism

　　which controls opening area of the orifice of

　　the valve. With the use of these valves, shockless

　　operation either in acceleration or deceleration can be

　　obtained. With the compensator for the pressure and

　　temperature, stable flow control can be obtained

　　regardless of the changes in the p

　　type valves and maintain a constant flow rate

　　independent of change in system pressure （load） and

　　temperature （viscosity of the fluid）。 They control flow

　　rate of the hydraulic circuit and eventually control

　　speed of the actuator precisely.

　　Valves with an integral check valve allow a controlled

　　flow and reverse free flow. Repeated resetting can be

　　made easily with a digital readout.

　　Pilot Operated Flow Control

　　and Check Valves …… Page 14

　　Flow control of these valves is continuously made by

　　a hydraulically operated pilot piston mechanism

　　which controls opening area of the orifice of

　　the valve. With the use of these valves, shockless

　　operation either in acceleration or deceleration can be

　　obtained. With the compensator for the pressure and

　　temperature, stable flow control can be obtained

　　regardless of the changes in the p

张家港油研单向调速阀安装说明书