Seal ring for coupling DN40
What is Seal ring for coupling DN40?
DN40 seal ring is a rubber ring installed inside the coupling to seal water between the two connectors.
How many Seal ring for coupling DN40 in each RO housing?
The D40 seal ring is the part that comes with the DN40 coupling. For the common 8-inch side port RO membrane housing, there are 2pcs DN40 coupling, so these are 2pcs DN40 seal ring are included.
However, for some specially designed multiports RO housing, there will be more than 2 couplings
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