Grooved Pipe Fittings 1.16 Years OEM & ODM. 2.Best price and high quality. 3. Standard: ANSI,ASME,DIN,API,ASTM grooved pipe fittings 90 degree elbow Ductile Iron Grooved Fittings With ASTM A536 standard, Including Coupling, Adaptor, Bend, Reducer, Coupling, Elbow, Tee, Cross, Cap, Mechanical Tee, Mechanical Cross cap...etc Main features 1. Beautiful shape: smooth inner and outer walls,small water ...