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Home > Sell > epoll air bag accumulator AS and ASP series
epoll air bag accumulator AS and ASP series
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Brand: epoll
Price: N/A
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Deliver: In 3 days
Expiry: Long-term
Update date 2023-02-14 10:58
 Gasbag accumulators AS and ASP are pressure vessels composed of high strength steel forged cylinders.
The accumulator is divided into two parts by an internally mounted elastic airbag, the * side for gas and the * side for liquid.
The bag is filled with nitrogen at precharge pressure Po through the precharge valve.
When the liquid enters the accumulator and the pressure exceeds the precharge pressure, the liquid begins to build up inside and the nitrogen pressure begins to rise parallel to the fluid pressure.
The volume of the gas is reduced to make room for the pressurized liquid. When the liquid side pressure falls below the gas pressure value, the accumulator begins to distribute the accumulated fluid. When the accumulator is empty, or in any case when the liquid pressure is lower than the gas pressure, the lift valve of the liquid valve is closed to prevent the bag from squeezing and breaking.
When the fluid reaches the minimum pressure, the minimum amount of fluid must be retained in the accumulator (approximately 10% of the accumulator's nominal capacity) so that the bag does not hit all circulation on the liquid valve lifting spool.
The valve is composed of a valve body, a rubber washer, a fixed ring nut, a prefilling valve with a sealing gasket and a prefilling valve protection cover.
All of these parts can be ordered and replaced separately. In addition, on the gas side, the plates are held in place by rings that carry the technical data and characteristics of the accumulator.