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The new Grooved Couplings come painted or galvanized in sizes 1 to 12 inches. They have a ductile iron body (ASTM A536), feature EPDM gaskets, and are UL/FM approved.
Schedule 40 Grooved Nipples are available in either grooved x beveled or grooved x threaded configurations and conform to ASTM A53 and ASME B1.20.1 standards.
All grooves are cut per the AWWA C606 standard. The products come in sizes: 2x4 inches, 3x3 inches and 3x4 inches.