DIN3352 F4 Metal Seat Gate Valve 

RSF VALVE is a leading professional water valve manufacturer from China. Our products include ductile iron GGG50 GGG40 ENGJS 500-7 metal seat gate valve (e.g. Gun metal LG2)  , non-return swing check valve, pressure rating PN16 and PN25 BS5163, AS2683.1, DIN3352, EN1171 are available. Our ductile iron metal to Metal Seat Gate Valve is one kind of water waters valves. Its simple design makes it one of the most common and relaiable valves in use. It can be applied to both liquid and gas services, although it is mostly used in liquid services. The gate valve was designed primarily for on-off service, where the valve is operated infrequently. It is not recommended to partly open the valve for adjustment of flow rate or emergent pressure relief blow-off. Standard: Basic Design: BS5163, DIN3352, EN1171, AS 2638.1 Face to Face: BS5163, DIN3202 F4 F5, ISO5752, EN558-1 Series 13 or Series 14 Flange Ends: EN1092-2, AS4087 Pressure Test: EN1226…