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The main role of accumulators in hydraulic systems

The primary role of accumulators in hydraulic systems is to store hydraulic energy in the form of pressurized fluid or gas, which can be utilized when needed to supplement the flow from the pump. Here are the main functions:

  1. Energy Storage: Accumulators store hydraulic energy during periods of low demand or when the pump is not operating at full capacity. This stored energy can be released rapidly when there is a sudden increase in demand, providing additional flow to the system and helping to maintain pressure.
  2. Pressure Regulation: Accumulators help regulate pressure within the hydraulic system by absorbing pressure spikes or surges. They act as a buffer, smoothing out fluctuations in pressure caused by changes in load, pump operation, or system dynamics.
  3. Emergency Power Source: In the event of a pump failure or power loss, accumulators can provide temporary power to critical functions within the system. This can include emergency braking, safety mechanisms, or other essential operations, ensuring the safety of equipment and personnel.
  4. Shock Absorption: Accumulators absorb shocks and vibrations within the hydraulic system, protecting components from damage and reducing wear and tear. They serve as a cushion, dampening the impact of sudden changes in pressure or load.
  5. Volume Compensation: Accumulators compensate for changes in fluid volume due to temperature variations or the movement of hydraulic cylinders and pistons. By maintaining a constant volume of fluid in the system, they help ensure consistent performance and response.

Overall, accumulators play a crucial role in optimizing the performance, efficiency, and reliability of hydraulic systems by providing energy storage, pressure regulation, emergency power, shock absorption, and volume compensation capabilities.

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