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Diaphragm Accumulator

Siken Diaphragm Accumulator

Siken Hydraulics provides diaphragm accumulators in many applications. A diaphragm accumulator consists of a pressure vessel or housing typically made of steel. Inside the accumulator, there is a flexible diaphragm that separates the gas and fluid compartments. The diaphragm is typically made of a durable and flexible material, such as rubber or elastomer.

We are providing the piston accumumulator from 0.1L to 4L and operating pressures up to 10,000 PSI(690Bar).

As for the rubber bladder materials, we could design and produce all products accumulator with diverse seals such as NBR, HNBR, ECO. etc...



·       Volumes:   0,1 liter ... 4 Liter

·       max. operating pressure: up to 690 bar (10000PSI)

·       Service temperature:  -60°C ... +200°C

·       Rubber materials:: NBR, HNBR, ECO. etc.

·       Housing materials: Caron steel, Stainless Steel, etc...


M: Metric thread

U: UN thread

G: ISO228) thread


MM:Metric male&female

UM: UN metric & metric female

GM: G female & metric male

Diaphragm accumulator parameters