The SCHWERLL high-flow, low-pressure bladder accumulator is a large-capacity, low-pressure bladder accumulator that uses a bladder as the isolation medium. Official product information describes applications including low-pressure water treatment and use with water and other corrosive liquid media.
Published technical data
- Maximum allowable operating pressure: 16 bar
- Published test pressure: 1.43 × the maximum allowable pressure
- 13 published rated volume options: 100 / 150 / 200 / 300 / 500 / 750 / 1000 / 1500 / 2000 / 3000 / 3500 / 4000 / 5000 L
- Operating temperature: -30 to +100 °C
- Liquid-medium viscosity: 10–40 cSt; 36 cSt recommended
- Liquid cleanliness: Class 21/19/16 ISO 4406/99
- Bladder material options: NBR / IIR / EPDM
- Published housing/oil-valve material wording: carbon steel with coating and stainless steel
- Inflation valve and fluid-side oil valve
Configuration and application notes
The published volume list is discrete. The exact source does not establish that every listed volume is available at the 16-bar maximum allowable operating pressure. Exact pressure-volume combination, component material mapping, fluid compatibility, connections and documentation must be confirmed for the selected configuration.
“High-flow” is the official product identity. No numerical flow rating is published in the exact product information; confirm required flow and connection details for the selected configuration.
The manufacturer classifies the product as “Special Equipment” and states compliance with regulations at the installation location. This wording does not identify a named certification.
