... series details:1.Socket and spingot type fitting series(Brass plastic)details; Equal coupling,reducing coupling ,end cap ,stub end,45 ... (over-and-under type),Water separator ,Flange model ripple compensator),Plastic reparing joint, Steel anti-errosion repairing joint)6.Welding Equipment ... various PE fittings according to your requirements as special purpose large diameter hdpe pipe fittings