Personnel protection sealed valves are suitable for nominal pressure PN ≤ 0.05 MPa, operating temperature of -30℃ to +40℃, relative humidity...

30% to 90% degree, acting as a unidirectional closed circuit mechanism on piping with air as the medium. This valve is mainly composed of the valve body,

Valves and transmission devices, etc., are composed. The opening and closing is achieved through the transmission device, which tightens or loosens the spring via a transmission lever through the valve rod.

Utilizing the locking device, the valve achieves the purpose of opening and closing. This valve is a unidirectional sealed valve and is not suitable for medium

Not suitable for use in quality reverse flow pipelines. Electric sealed valve consists of an electric motor reducer, electric...

The unit is composed of parts such as control gear and travel control, featuring the ability to be separately locked with both electric and manual operation, without the need for cutting.

In the event of a sudden power outage while in electric mode, the handle can be directly used for operation; in manual mode, power can be suddenly applied.

In such cases, safety is guaranteed.