Advantages of Bladder Accumulators

Advantages of Bladder Accumulators:

The bladder has low inertia and high sensitivity, making it suitable for pulsation elimination. The bladder separates oil and gas, preventing mixing (unless ruptured); it offers easy maintenance, fewer auxiliary equipment, convenient installation, and easy gas charging.

Disadvantages: The service life of the bladder typically does not reach that of the piston seal, and there is significant quality variation among bladder brands.

Many factors can cause bladder rupture, including quality and lifespan differences, improper operation during assembly, incorrect pre-pressurization calculations, xiangshan hydraulic accumulator factory large temperature fluctuations, long-term lateral vibration, fluid corrosion, and impact from tiny solid impurities in the medium.

When the bladder ruptures, the accumulator may suddenly fail, and the rapid mixing of oil and gas could lead to system accidents.

The bladder cannot be made too large, as it affects lifespan; ASME standards are generally 60 liters, while most European standards are 50 liters.

Working pressure is not very high; domestically (with a safety factor of 3 or less) it is generally 31.5 MPa, while Ketuo (with a 4x safety factor) is 51.8 MPa.

Due to design and processing quality issues, yuyao hydraulic accumulator factory many brands of bladder accumulators experience premature closing of the mushroom valve during rapid oil release, causing partial failures.

The bladder material is rubber with low strength, unable to withstand large pressure fluctuations; ninghai hydraulic accumulator factory excessive fluctuation significantly reduces bladder life. Therefore, bladder accumulators are generally not suitable for series connection with gas cylinders or cylinder banks.