Durable Axial-Type Surge Relief Valve for Water Hammer Protection
Steel shut-off and control valve with proportional pilot spool valve, axial-type surge relief valve / water hammer protection valve
The core purpose of a water hammer relief valve is to serve as a "safety fuse" for pipeline systems. When water hammer (water hammer effect) occurs, it protects the pipeline and equipment from damage by rapidly releasing excess pressure.
In closed systems such as long-distance oil pipelines, if unexpected events like sudden pump stoppage or emergency valve closure occur, the rapidly flowing liquid stops instantaneously due to inertia.
This is a purely mechanical or hydraulically driven automatic valve that does not rely on electricity or complex control systems. It operates by sensing pressure changes in the medium at its upstream end: when the pressure rises to the set value, the valve opens to relieve pressure; when the pressure drops back to a safe range, the valve automatically and smoothly closes to prevent
Pressure and temperature
|
working pressure |
1.0MPa~6.4MPa |
|
working temperature |
<425° |
|
suitable media |
water;oil |
Main material list
|
parts |
material |
|
body |
WCB; Stainless Steel |
| Wetted / flow path parts material | WCB; Stainless Steel |
Executive Standard:
|
Design Standard |
EN 593 , MSS SP67, BS5155, US Standard |
|
Inspection & Test |
US Standard |
|
Face to Face |
ISO 5752 , EN 558 , MSS SP67, DIN3202, US Standard |
|
Top Flange |
ISO 5211 |
