чугун дроссельный клапан

Thecast ironbutterfly valve :we manufacture different size of cast iron butterfly valve according to your demand or drawing. The cast iron butterfly valve : we have size from 50-300mm of cast iron butterfly valves exported to France Danfoss.These cast iron butterfly valves all passed ISO:9001-2008 certificate with good quality.The material of the butterfly valves is grey iron and ductile iron. Cast iron butterfly valve : we manufacture size from 50-300mm of cast iron butterfly valves exported to France Danfoss. cast iron butterfly valve price:from 50mm($2.8)-300mm( $23 )/piece