Strong Back RC Coupling Designed for Resistance to Heavy Earth Loads and Shear Forces While Provides Improved Pipe Alignment; Ultimate Pipe Alignment - Due to the Thickness and Strength of the Strong Back; Ultimate Sealing Gasket - The Flexible PVC Gasket has a Smooth Inside Surface Providing Greater Sealing Performance than Ribbed Rubber Gaskets; the Smooth Internal Wall of the Gasket Makes Contact 360 Degree Over its Entire Length; Ultimate Transition Connections - When Making Transition Connections of Differing Pipe Sizes or Materials, the Strong Back RC Series Gasket Features a 1-Piece Molded-In Bushing; Ultimate Versatility - Couplings Offer the Ability to Connect all Common Drain Pipes in Any Combination of Size and Material; RC Series Shear Ring, Assured Consistent Pipe Alignment Against Shear Forces from Soil Compaction, Shifting and Settling and Improper Backfill; Environmental Commitment; Made in USA
Repair Coupling Fitting; Type Repair, Flexible, Strong Back, Reducing; Size A 6 Inch; Size B 4 Inch; End Connection Clay x Cast Iron/Plastic; Material PVC; Material Specification ASTM D5926/C1173; Pressure Rating 4.3 PSI (Test); Temperature Rating -30 to 140 Deg F; Gasket Supplied Yes; Gasket Details PVC; Application DWV System, Sewer; Applicable Standard ICC-ES-PMG (Canada), CSA, IAPMO, CUPC; Torque Rating 60 Inch-Pound
Fernco makes the most complete line of couplings in the industry, from sizes 3/4" and larger. Custom large diameter couplings are available, along with shielded transitional couplings to ensure all pipes, underground and above-ground, can be connected with a Fernco coupling. Because Fernco couplings have earned a reputation for superior performance, you can have full confidence in their quality and reliability.
