DN125 twin Wall Concrete Pump Pipe / Double wall Delivery Pipes
Size: 125mm *4.5/ 5.0/7.0 * 3M
Material: Inner 65Mn or M600, Outer 20# or Q345B
Wall Thickness: 3.0+2.0mm , 2.5+2.0mm, 5.0+2.0mm
Length: 3m or according to clients’ requirements
Flange/End Collar: SK 148mm, HD, PM ZX 175mm, Schwing MF 166mm, Sany 157mm, Zoomlion ZX etc.
Welding technique: Automatic welding
Painting: Electrostatic Spraying and Baking Painting
Working Pressure: SK type: 85-120 bar ZX type: over 130 bar
Hardness: 58-62 HRC ( 55Mn: up to 65 HRC)
Life Time: 30,000-35,000 CBM in China, 40,000-45,000 CBM in Korea. It is subject to the influence of various factors