The ductile iron Kempf Kollar face-to-face positive restrained rotating pipe flange from Foundry Services offers 360-degree circumferential support on the rotating flange end. It includes an AMERICAN Toruseal low-torque NSF 61 gasket for the rotating flange end and is manufactured using ductile iron class 53 that conforms to C115/A21.15-08 and C151/A21.51-09. Its rotating flange conforms to ANSI/AWWA C115-11 and ANSI B16.5 Class 150/125 drilling patterns. It provides the ability to ensure proper wall spool alignment or to realign a run of pipe already in place, and it is pressure tested to 1,200 psi for 30 minutes without leakage. 402-451-0674; www.foundryservicesco.com.