ZBA37/A43 series double spring type safety valve

This valve is suitable for equipment or pipelines with steam, air and other media whose working temperature is ≤350℃. When the pressure in the equipment and pipelines rises above the allowable value, the valve automatically opens and then discharges the entire amount. When the pressure drops to the specified value, the valve automatically closes to ensure the safety of equipment and pipelines.

Note: This valve is equipped with two safety valves of the same model and specifications on a Y-type joint. The nominal diameter refers to the inlet diameter of the Y-type joint. The combination is as follows:

Description of main component materials: Except for the tee material of the A38Y, A43H, and A37H safety valves, which is made of WCB, the materials of the other parts are the same as those of the A47H and A48Y spring-type safety valves.

For information on main parts materials and connection dimensions, you can contact us directly. If your working conditions are special, our valve professional technicians will accurately select the valve for you based on actual conditions.