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Accumulator Selection
a. Working Pressure: P1 and P2
P1 means gas pressure at the minimum hydraulic pressure, while P2 means gas pressure at the maximum hydraulic pressure. For safety considerations, P2 must be lower than or equal to the maximum working pressure of the accumulator.
b. Work Fluid Quantity: ΔV
This parameter indicates the fluid quantity that could be stored or released, and it is needed to correctly determine the accumulator size.
c. Application Field
It is very necessary to make sure what kind of state the gas is in during operation, isothermal or adiabatic. If the compression or expansion process is conducted slowly, say 3 minutes or more, the gas will keep its temperature at a relatively constant value, and this is isothermal state.

Hydraulic Accumulator Manufacturer

Accumulators have come a long way since Armstrong's water towers. Modern adaptations of pressure storage technology have led to the development of highly effective hydraulic systems that can accommodate extremes of demand. As a prominent manufacturer of hydraulic accumulators in the Chinese industry, We offers 4 equipment archetypes including bladder, piston, diaphragm, and combined. More

Why Us
Buccma Accumulator is trying to become a world-class one-stop supplier of accumulators that could be used in different hydraulic systems. So, we employ many engineers specialized in hydraulic drive and control, including 11 bachelor degree graduates, 5 master degree graduates and 2 individuals with doctoral degrees.

Bladder AccumulatorThe bladder accumulator is comprised of pressure resistant shell, elastic bladder, gas valve, poppet valve, fluid port and other components. This product could be made into different sizes to fit for a number of hydraulic systems, and it shows some superb properties as listed below.

Piston AccumulatorAs the name implies, our piston accumulator uses a piston to separate gas and fluid, and a sealing system is applied between the piston and the internal surface of the cylinder. This product shows the advantage of long service life and superior compatibility with ambient temperatures, but it is not very sensitive which makes it not applicable for pulsation dampening.

Diaphragm AccumulatorThe diaphragm accumulator is constructed by combining two hemispherical shells together, and a rubber diaphragm is set between these two halves to separate gas and fluid. Our product shows an extremely small weight to volume ratio, and it is very sensitive. So, it can offer remarkable performance when dampening pulsation in low pressure hydraulic lines. Meanwhile, the rubber diaphragm has a small area, which means gas expansion is limited. As a result, the gas precharge pressure couldn't be too high, and the effective volume is not too big.

Hydraulic Accumulator BladderThe accumulator is a specially designed device used to store fluid under pressure. As we know, fluid can't be compressed. So, we take advantage of the compressibility of inert gas to realize this purpose. Our hydraulic accumulator bladder is installed inside the accumulator shell to store inert gas, and energy will be stored and released owing to the good elasticity of this rubber-made product.

Buccma Accumulator (Tianjin) Co., Ltd.
Add: No. 2 Zhonghui Road, Jinnan Economic Development Area, Shuangqiao River Town, Jinnan District, Tianjin City, China
Tel.: +86-22-88518525
Fax: +86-22-88519307
Contact Person: Mary Ma
E-mail: intl@buccma.com