FAQ

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Can a VBA11A-02□ with a pressure increase ratio of 1:2 to 1:4 be used at a pressure increase ratio of less than 1:2?

The VBA11A should be used within the 1:2 to 1:4 pressure increase ratio range.
For use at a lower pressure increase ratio, we recommend selecting a VBA10A instead because when using a VBA11A at a pressure increase ratio of less than 1:2, the following may occur.
① The outlet flow rate will be less than the VBA10A when used under the same pressure conditions.
②The pressure for driving may not be sufficiently obtained, resulting in the stopping of operation.
③ The operation frequency may increase and reduce the service life.