... return of spring 春神的归来 ; 春天归来 return valve spring 回流阀簧 return bar spring 离合杆簧 ...
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NON-RETURN VALVE SPRING 止回阀门弹簧
pressure reducing valve return spring 减压阀回位弹簧
hydraulic relay valve return spring 液压式继动阀回动弹簧
spring-return directional valve 弹簧复位的换向阀
spring return valve 弹簧回位阀
single solenoid spring return valve 单螺旋弹簧回位阀
The spring return pneumatic actuators use an air supply to drive the valve stem in one direction and an internally loaded spring to return to the valve to its original position.
春季返回气动执行机构使用的空气供应，以推动一个方向阀杆和一个内部装载弹簧返回到原来的位置阀门。
When the coil power, the pilot valve by the spring return, pilot hole open, pressure relief valve on the chamber, the piston on the lower chamber medium pressure to promote the solenoid valve open.
当线圈断电时，先导阀芯靠弹簧复位，先导孔打开，阀上腔卸压，活塞靠下腔介质压力推动，电磁阀打开。
Normally Open: When the coil is energized, the pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.
常开：当线圈通电时，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
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