Use:

This safety valve are used for the equipment and pipelines with such media as steam and air at a working temperature less than 350℃.When the pressure inside equipment and pipelines rises over the allowed pressure, the valve will automatically open and fully discharge and will automatically close when the pressure lowers to the setting pressure to ensure the safety of equipment and pipelines.

Description：

The equipment is made of the same two typessafety valves which are connected by a Y-type joint. The norminall diameter means the Y-type joint's inlet size. Combinations are as below:Materials description of main parts:Except the teematerial for WCB, the materials of other parts of A43H/A37H safety valves are the same as those of A47H type spring loaded safety valves.