Air Cushion Valve
Ordinary spring loaded pressure relieve valves which open at a predetermined pressure are of no use in relieving the high surge pressures encountered during in Water Hammer.
The main reasons are that they are extremely slow in opening and they close down when they encounter a negative pressure. The Water Hammer surge
No. 1, Ichapur Road, Canal Side, Santragachi, Howrah - 711104, Dist. Howrah, West Bengal, Santragachi, Howrah - , , India.