A. Specifications: DN50~DN150(GB) DN50~DN600(DIN) DN50~DN200 PN25(DIN) B. Brief introduction to the product Characteristics: Handwheel drive; epoxy coating is applied on the flanged connection surface; the ductile iron valve plate is rubber-clad and beset with bronze nuts, and the service life is long. The product is installed at ground pipeline, and is applicable to manual operations. C. Materials Valve body: Cast iron or ductile iron, epoxy spray coating Valve cap: Cast iron or ductile iron, epoxy spray coating Valve disc: Ductile iron coated with EPDM or NBR Valve stem: 2Cr13