As one of the leading bs3464 metal seat cast iron gate valve,Website: , bs3464 non-rising stem metal seat cast iron gate valve manufacturers and suppliers in China and equipped with a productive factory, Shanghai Hugo Valve Co.,Ltd is always at your service. Description1, BS 3464 Non-rising stem metal seat cast iron gate valve is the green products we developed with shanghai university, we adopted Germany advance technology.2, For traditional common cast iron gate valve, it\'s easy to appear breakage as the object impact, our ductile iron material have good mechanical property, can avoid this problem.3, Our stem used three o-ring structure, which can reduce the friction resistance when open or close the valves, can reduce the leakage phenomenon sharply, moreover the sealing o-ring can be changeable on spot, no need to close the valve.Component 1 Body Cast Iron / ductile iron  2 Disc Ductile iron+brass Ductile iron+bronze/ stainless steel 3 Shaft Stainless steel 4 Bonnet Gasket EPDM/NBR 5 Bonnet Cast Iron / ductile iron 6 HandWheel Ductile iron 1 Body Cast Iron / ductile iron  Application STAND-ARD DESIGN CODE BS 5163 INSPECTION&TEST BS 6755 END STANDARD BS table E or D / EN1092 FACE TO FACE BS 3646 Test Pressure Working pressure PN 10 PN 16 Shell pressure 1.5 Mpa 2.4 Mpa Seat pressure 1.1 Mpa 1.76 Mpa Dimensions                                                                                                                                                                                Unit : mm DN 40 50 65 80 100 125 150 200 250 300 L 140 146 159 165 172 190 210 241 273 305 H 275 290 310 340 370 455 470 620 725 775 C 160 180 180 200 250 280 280 340 340 400 D   135 152 165 184 216 254 254 337 406 457