... many kinds of malleable iron pipe fittings: elbows, tees, sockets(coupling), bends, nipples, unions, crosses, flanges, plugs, backnuts(locknuts), ... :ISO7/1DIN StandardMaterials: DIN1692Dimensions: DIN2950Threads: DIN2999ShapeEqual, ReducingGradesHeavy series, Standard series, Medium series, Light series Quality ControlExcellent material, Precise angles, Good antirust propertyHydraulic TestTest ...