Heavy-Duty Replacement Accumulator Bladder

Q: What design and manufacturing advantages does the adhesive-bonded bladder construction provide in SCHWERLL accumulators?

SCHWERLL uses simulation-based bladder geometry to optimize compression and expansion cycles, then molds the casing from 100% virgin rubber with a proprietary adhesive bond. This ensures stable deformation during oil drain, low intrinsic permeability, and long-term durability in high-cycle hydraulic energy storage applications up to 207 MPa.

Q: Are SCHWERLL bladder accumulator materials tested to international standards, and can custom elastomers be specified for aggressive media?

Yes. All rubber components are tested to ISO 37 standards, and the full accumulator range is manufactured under ISO 9001, CE, and ASME quality frameworks. A variety of rubber materials is available to broaden media compatibility. For custom sizing or special elastomers, contact SCHWERLL for application engineering support and export documentation.

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Schwerll Industrial Fluid Power Equipment - Bladder For Adhesive‑structured Bladder Type Accumulators

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Accumulator bladder and diaphragm

Model / SKU: SCH-1023 | Quality / Standards: ISO 9001 QMS; PED/CE & ASME Sec. VIII Available

The bladder of SCHWERLL’s standard‑specification bladder accumulators is manufactured using an adhesive‑bonding process. Following simulation‑based design, the bladders are produced on a dedicated production line, delivering exceptional long‑term durability. The diaphragm exhibits low permeability, providing an ideal solution for high‑end applications.

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✓ Nominal Pressure: Up to 207 MPa

✓ Capacity Range: 0.1L to 1,500L

✓ Operating Temp: -40°C to +150°C

✓ 100% Final Inspection Before Shipment

Product Specifications & Technical Details

The bladder of SCHWERLL’s standard‑specification bladder accumulators is manufactured using an adhesive‑bonding process. Following simulation‑based design, the bladders are produced on a dedicated production line, delivering exceptional long‑term durability. The diaphragm features low permeability, providing an ideal solution for high‑end applications.

1. The shape and structure of the bladder are designed using simulation to ensure optimal compression and expansion characteristics;

2. The casing is manufactured using 100% virgin rubber, ensuring optimal rubber properties.

3. The casing is manufactured using the widely adopted viscose integral molding process, ensuring stable compression and oil‑drainage deformation characteristics with high oil‑drainage stability.

4. The casing is bonded using a specialized, proprietary rubber adhesive to ensure its performance characteristics after bonding.

5. All leather goods are rigorously certified to NF standards. ISO 37 standard tests;

6. A variety of rubber materials ensures broader media compatibility;

7. Rubber has a low intrinsic permeability;

Heavy-Duty Replacement Accumulator Bladder

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Product Specifications & Technical Details

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