A38Y, A43H, A37H Double Spring Safety Valves

Product introduction：

Product Profile:

[Application of Double Spring Safety Valve Products]

A38Y, A43H and A37H double spring safety valves are composed of two A48Y or A47H safety valves with the same specifications installed on Y-joint. They are suitable for equipment and pipelines of steam, water and other media whose working temperature is less than 350 C. As overvoltage protection device.


[Product Characteristics of Double Spring Safety Valve]

1. Full-open structure with large displacement

2. The valve disc is equipped with a recoil disc component.

3. With lifting wrench, the flexibility of valve opening can be checked periodically.

4. Setting pressure deviation is small, up to +3%.

5. Open-close differential pressure <15%

6. Choose high-quality spring steel to ensure the life and stability of spring

7. Discs and seats with planar structure are easy to repair and reprocess.

8. Open design of valve cover can be used for medium with higher temperature.


[Standard for Double Spring Safety Valve Implementation]

Design Specification: GB/T 12243

Structure length: GB/T 12221

Flange connection: JB/T 79

Test and Inspection: GB/T 12242

Product identification: GB/T 12220

Supply Specification: JB/T 7928


[Double Spring Safety Valve Product Type]

A43Y-16C (25,40)

A38Y-16C (25,40)

A37Y-16C (25,40)