SY series rotary hydraulic actuators provide accurate throttling or on-off operation for ball valves, butterfly valves and other equipment. • Torque: 0~680,000N.m • Power voltage: 24VDC • Control signal: 4 ~ 20mA • Feedback signal: 4 ~ 20mA • Control accuracy: < 0.1% F.S • Repeatability: < 0.1% F.S • Sensitivity: < 0.05% F.S • Response time: < 30ms • Explosion proof class: Ex d IIB T4 or Ex d IIC T4 • Protection class: IP65 • Fail location: FC, FO or FL
Product features
Integrated design, no external oil pipe, high reliability;
Dynamic and static sealing dual design, with observation oil port, which can detect the sealing state;
Redundant high-pressure filters, which can replace the filter element online;
Integrated bypass line for oil line cleaning;
Bracket with oil tray, which can avoid oil pollute environment;
Spring return or double acting is available;
Fail close, fail open or fail lock is available;
ESD function is optional, manual device is optional, and double feedback is optional;
Intelligent diagnosis function, step curve and characteristic curve can be generated by software to diagnose the state of valve and actuator.