Pipe fittings confirming to DIN/EN877/ISO6594 Material:Cast Iron with flake graphite Qualilty:GJL-150 according to EN1561 Coating: SML,KML,BML,TML Size:DN40-DN300 The pipe fittings produced by our company have smooth surface, high density, no white, High strength, light weight, reasonable design in structure, beautiful externality used on high buildings and environmental protecting, strength corrosion-resistant coating for fittings