Installation Instructions
 
installing duo coupling step 2 for cast iron socketless epoxy pipe installing duo coupling step 2 for cast iron socketless epoxy pipe installing duo coupling step 2 for cast iron socketless epoxy pipe
1.  Push the coupling onto the pipe or fitting until the end touches the middle ring of the rubber gasket. 2.  Insert the next pipe or fitting into the coupling. 3.  Tighten the screws alternatly with hexigonal screw driver, power drill or spanner.

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