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

30% - 90% degree, air medium pipeline, as a unidirectional closed circuit mechanism. This valve mainly consists of the valve body,

Valves and drive units, etc., are composed. The opening and closing are achieved through the drive unit, via the valve rod and a drive lever, to tension and release the spring.

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 regulating use on the reverse flow pipeline. Electric sealed valve consists of a motor reducer, electric...

The assembly is composed of components such as gear control and travel control, featuring the capability of separate, individual locking for both electric and manual modes 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 also ensured.