... , elbow, tee, caps, flange ect.2. Size: 20MM-1200MM 3. Raw material: HDPE4. Thickness: According to customers demand5. Color: Black ... (one-step forming) ,8).Reducing coupling (post forming),3.The series of hot melt butt joint pipe fitting (welded ... flange plate1.6Mpa),Rubber Gasket,Steel core ball valve,Double union ball valve,Stop valve(normal),Stop valve(over-and-under type),Water separator ,Flange ...