Flanged rings RF
The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement.
They are – apart from where stated otherwise – intended for length compensation with PN 6 flanges (RF 4, RF 5 and RF 6, also in PN 16).
For length compensation with PN 10/16 flanges, a pipe modification is required.
RF 7 (oval flange, hole circle Ø 80)
RF 8 (square flange, hole circle Ø 90)
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