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

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

Valves and transmission devices, etc., are composed. The opening and closing is achieved through the transmission device, which uses the valve rod and a transmission lever to tension and relax the spring.

Utilize the locking device to achieve the opening and closing of the valve. This valve is a one-way sealed valve and is not suitable for medium

Not suitable for adjustment on the upstream quality reversal pipeline. Electrically sealed valve consists of an electric motor reducer, electrical...

The assembly is composed of components such as power control and travel control, featuring separate locking capabilities for both electric and manual operations, without the need for cutting.

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

In such cases, safety is also guaranteed.