j941h-16C-dn150电动开关铸钢截止阀

j941h—16c dn150法兰型电动硬密封截止阀

j941y-16c dn80电动调节法兰铸钢截止阀

j941h-40c dn250电动法兰硬密封型截止阀

j941h-25p dn300电动硬密封铸钢截止阀

j941h-16 DN150硬密封型电动法兰截止阀

J961 - 25 DN250法兰式硬密封电动截止阀

j941h- 16 dn150电动铸钢硬密封截止阀

16C电动硬密封截止阀dn50

J941H硬密封电动截止阀dn80

PN16硬密封电动法兰截止阀dn50

J941H-16C电动硬密封截止阀