Then, pneumatic valve spring made from this spring steel wire have been treated by this investigation of liquid tufftriding process.
然后，用以对此规格的钢丝制造的气阀弹簧进行了低温液体软氮化处理。
2
Solenoid or manual operation, press the button and rotate manual operation can achieve a state of lock manually. Reset pneumaticspring, mechanical spring reset, reset electromagnet operation.
Air or gas cylinder actuators include single or double acting, fail open or closed by mechanical spring or pneumatic force. They can be manufactured to accommodate any length stroke.