Mission Rubber 105666 MR56 66 Flex-Seal Coupling, 6-Inch Plastic/Cast-Iron to 6-Inch Plastic/Cast-Iron

Flex-Seal Couplings An extensive line of flexible sewer couplings that connect similar and dissimilar pipe materials and sizes. Sizes 1-1/4" to 72" Flexibility - Sleeve is manufactured of molded natural and synthetic rubber Leakproof Seal - Inside surfaces of transitional size couplings are stepped to conform better to different pipe sizes Tight Fitting - Two 300 Series Stainless Steel worm drive clamping bands hold pipe ends securely Corrosion Resistant - Use of stainless steel clamping bands are highly effective in a variety of environments Versatile - Blends of natural and synthetic rubbers permit a substantial degree of distortion without change in basic physical or chemical resistance unlike other manufacturers' thermoplastic coupling materials Specifications: Manufactured with natural and synthetic rubbers conforming to ASTM C 425, ASTM C 1173 300 Series Marine Grade Stainless Steel conforms to ASTM A 240 Flex-Seal Couplings have a tolerance range of approximately ± 3% on sizes up to 12" nominal diameter.