Wandfluh’s range of Inverse proportional pressure relief valves has recently been updated.
These valves act as normal proportional valves, However if there is a power failure to the valve the maximum set pressure is achieved.
The range is available in both direct and pilot operated, various pressure range options up to 350bar and flows up to 100lpm.
They can be operated using the popular SD7 range of amplifiers and controllers or with integrated amplifiers and controllers.
The valves are available in cartridge and CETOP format for flexible system design.
They can also be fitted with ATEX, and CSA rages of solenoids for use in Hazardous areas
Data Sheets for general Reference
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