The CHM series multi-spring diaphragm actuator is a multi-spring, straight-stroke actuator with light weight, small size and large output force. It is suitable for straight-stroke valves in electric power, chemical and other industries. It is widely used in the control of regulating valves, globe valves, gate valves and other straight-stroke valves to meet various control needs of customers.

◎With independent intellectual property rights, the pneumatic actuator of the spring anti-falling device (patent number: ZL 2015 2 0782738.8);
◎Two structural forms of positive/reverse effect;
◎Push rod anti-rotation structure;
◎The anti-falling structure of the membrane cavity spring;
◎Support multiple control methods;
◎Comply with IEC61508 system safety standard, SIL certification level SIL3.