Double Spring-Loaded Safety Valve

The double spring type safety valve designed by Dazhong Valve Group is a cooperative brand of YOY Yongyi Valve Group. The nominal diameter of the double spring type safety valve refers to the inlet diameter of the Y-type joint. A safety valve is a safety device to prevent bursting of pressure equipment and containers or that are likely to cause pressure rise or the pressure inside the container exceeds the limit. It is mainly composed of valve seat, valve disc, valve core and loading mechanism. Some valve seats are integral with the valve body, and some are assembled with the valve body, which communicates with the equipment. The valve disc is often associated with a valve stem, which is tightly fastened to the valve seat. Above the disc is a loading mechanism, and the size of the load can be adjusted.

• The double-joint spring-type safety valve is composed of two A47H and A48Y-type safety valves of the same specification are installed on a Y-type joint. The nominal diameter of the double-joint spring-type safety valve refers to the inlet diameter of the Y-type joint. .

• A38Y, A43H, A34H type safety valves are made of the same material as A47H, A48Y type spring-type safety valves, except that the tee material is WCB

• This valve is suitable for steam, water and other media equipment and pipelines with a working temperature of ≤350℃. As an overpressure protection device,

• The connection flange standard is according to the JB/T79-94 series.