olaer accumulator , Iran

Hydraulic accumulators store energy in pressurized fluid. Main types include diaphragm, bladder, piston, and spring-loaded models. Diaphragm accumulators offer working pressures up to 500 bar and nominal volumes from 0.1 to 10 liters. They use an elastomeric rubber diaphragm to separate gas and fluid. Bladder accumulators are designed for volumes from 0.75 to 150 liters and pressures up to 350 bar. These models utilize a flexible rubber capsule inside a steel shell. Piston accumulators are suitable for high volumes up to 100 liters and pressures to 700 bar. They employ a mechanical piston with seals for separation.

Their construction complies with international standards like ISO 9001 and DIN EN 14359. Materials used include carbon steel or 316 stainless steel shells. Diaphragms and bladders are made from Nitrile, EPDM, or FKM. The gas pre-charge compression ratio is typically 80% to 90% of system minimum pressure. This ratio is critical for optimizing performance and service life. The standard operational temperature range varies from -20°C to +120°C. Connections are often standardized with metric or SAE threads. Each type is engineered for specific applications like shock absorption, pulse dampening, or energy storage.


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