... available in different forms that include: 90 LR elbows, 90 SR elbows, 90 reducing elbows, 45 elbows, tees, reducing tees, concentric ... , stub ends, crosses, reducing crosses, 180 LR return bends, 180 SR return bends, laterals, weldolets, stub ends, swage nipples, nipples, couplings ...