Matco-Norca adds grooved couplings and nipples to its PVF products inventory. Grooved couplings come painted or galvanized in sizes 1” to 12”. 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. Groove nipples come in these sizes: 2” x 4”, 3” x 3” and 3” x 4”.