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QS Series Selection Helper

Enter your duty point — flow, head, and fluid — and we return the matching QS frame range, with engineer review on request.

Or skip the tool, send us the spec →

QS Frame Reference Table

ModelInlet (mm)Flow (m³/h)Head (m)RPM
150QS-78A150120–35060–902950
200QS-40200200–60028–501480
250QS-14250350–80012–221480
250QS-39250400–90035–551480
350QS-30350800–170025–401480
500QS-325001800–400024–361480
500QS-825002000–450065–951480
600QS6003000–650020–60980
800QS8005000–1000025–55870
1200QS12008000–1440020–40590