soft sealing gate valve DIN3352 F4/F5,BS5163 GGG50 BODY,EPOXY COATING,PN10/16 DN40-DN600,ISO9001 CERTIFICATE; Manufacture High quality resilient gate valvemade according to DIN3352 F4/F5,BS5163size available: DN40--DN600PN16/PN25EPOXY COATINGMaterials: GGG50 body & bonnet EPDM covered wedge 2Cr13 stem Cast iron handwheel Soft Sealing F4 Gate Valve