DN125mm 5 inch concrete pump deck pipe Material: 45Mn2 Thickness: 7.0mm Length: 3m (1-6m can produce) Flange size: SK148mm ( HD, ZX, MF can do) Flange type: twin wall flange Reference lifetime: 35,000- 40,000CBM. Weight: 22.96kg/meter Allow aggregate maximum particle size: 15mm Connection type: clamp Cleaning way: use cleaning ball Application: concrete pump deck pipe can be used for the concrete transportation in construction industry. Concrete pump pipe sizes end flanges are welded by automatic machines. All deck pipes are heat-treatment(carburizing and quenching) to improve lifetime. We adopt powder coated painting and baked to deal concrete pump boom pipe surface to