чугунные трубы

cast iron pipes EN877/ISO6594 no-hub cast iron soil pipe with inner yellow epoxy coating and outer red antirust coating the grey cast iron straight pipe produced by centrifugal technology are mainly used in drainpipe through a flexible linkage. the product has totally get the standards ISO6594, DIN19522/EN877, GB12772, ASTM A888, CISPI 301, and KS D4307, and has the following advantages: flat and straight, even pipe wall, high strength and density, high smoothness on the inner and outer surface of the wall, no defects in foundry, easy installation, easy maintain, long life, helpful to environment, fireproofing and no noise.