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Why do the inside couplers fit certain pipes and not others?

April 26, 2017certain couplers fit pipes

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Why do the inside couplers fit certain pipes and not others?

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A. The inside couplers are an injection-molded part, which is far more consistent than extruded PVC pipe. It is important to check the fit of the pipe to a coupling before purchasing. A snug fit is ideal considering the rough handling the pipe receives such as slight bending, dropping, and pulling. All sizes of Brady inside couplings, (1 1/4″, 1 1/2″, 2″), are designed to fit pressure rated schedule 40 PVC pipe made to ASTM standards. Use only “all purpose” glue with a quality primer for all joints in your installation.