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Figure 616 Reducing Coupling is for joining copper tubing systems. The Gruvlok Figure 616 Reducing Coupling allows a direct reduction between two different CTS copper tubing sizes and eliminates the need for a concentric reducer and couplings.
The epoxy coated ductile iron coupling housings help to eliminate galvanic local cell and stray current problems, and a specially designed rubber gasket prevents the smaller tube from telescoping into the larger tube during vertical installation.
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616 Reducing Coupling for Joining Copper Tubing Systems Submittal