https://patents.google.com/patent/CN105598644B/en
CN105598644B - Wedge Gate Valves sealing surface processing technology and its automatic bead...
A wedge-type ram sealing surface processing technology, including casting, turning sealing surface, turning surfacing groove, turning positioning hole,...
wedge gate valvestechnology and itssurface processing
https://jiefavalves.en.made-in-china.com/product/hOTaFXPYABGb/China-J-Valves-ANSI-Stainless-Steel-CF8-CF8m-Solid-Wedge-Flanged-Cryogenic-Gate-Valve.html
J-Valves ANSI Stainless Steel CF8 CF8m Solid Wedge Flanged Cryogenic Gate Valve - Gate Valve and...
J-Valves ANSI Stainless Steel CF8 CF8m Solid Wedge Flanged Cryogenic Gate Valve, Find Details and Price about Gate Valve Carbon Steel Gate Valve from J-Valves...
https://pntekplast.en.made-in-china.com/product/POSaFxvMllhW/China-PVC-Gate-Valves-for-Control-Flow-Price-with-Rubber-Wedge.html
PVC Gate Valves for Control Flow Price with Rubber Wedge - Gate Valve and Plastic Valve
PVC Gate Valves for Control Flow Price with Rubber Wedge, Find Details and Price about Gate Valve Plastic Valve from PVC Gate Valves for Control Flow Price...
pvc gate valves
https://chengjiu.en.made-in-china.com/product/rngRGCPvIUca/China-DIN-En1092-1-BS4504-Uni-GOST-ANSI-ASME-B16-5-JIS-150lb-Pn16-Gate-Valves-with-Solid-Wedge-Stainless-Steel-316-CF8-Rising-Stem-Flanged-End-Gate-Valve.html
DIN En1092-1 BS4504 Uni GOST ANSI ASME B16.5 JIS 150lb Pn16 Gate Valves with Solid Wedge Stainless...
DIN En1092-1 BS4504 Uni GOST ANSI ASME B16.5 JIS 150lb Pn16 Gate Valves with Solid Wedge Stainless Steel 316 CF8 Rising Stem Flanged End Gate Valve, Find...