Air Release Valve
| Valve Size | 1/4 inch |
| Pressure | High Pressure |
| Usage/Application | Industrial |
| Material | Aluminium |
| Color | grey |
| Country of Origin | Made in India |
The presence of free air in pipeline can reduce the severity of water hammer considerably. Celerity(speed) of an elastic wave with, say 2% of air at a pressure head of 50 m of water reduces celerity from about 1100 m/s to 160 m/s for a typical pipe line. On the other hand air in a rising main, whether in solution or in bubble from can have number of ill effects.
Specifications:
- Cavitation – The formation of vacuous cavities which subsequently rapidly collapse and erode the pump or pipe
- Headloss – Accelerating water past air pockets formed in pipes, leading to head losses
- Other forms may include surging, Corrosion, reduced pump efficiency, malfunctioning of valves or vibrations
A pipeline designer therefore has to factor in all the aforesaid, the critical level of permissible vacuum inside a pipeline to prevent collapse vis-a-vis the suction and discharge capacity of an air valve (curves on request) before deciding upon the type, size, spacing and location of these air valves.
