Cast Steel Gate Valve 

Wedge Gate Valve -> Cast Steel Gate Valve Rising-stem cast steel gate valves are used when it is important to know by immediate inspection whether the valve is open or closed and when the threads (stem and gate) exposed to the fluid could become damaged by fluid contaminants. In this design, the stem rises out of the gate valve when the valve is opened. The wedge gate of the Kolink gate valve provides tight sealing even at low differential pressure. Grooved wedge guided and fitted by body, assures proper and consistent seal regardless of valve position, and also minimizes seat wear and damage, since seating surfaces of the wedge and seat are in contact during less than 5% of the total wedge travel.  Features of Cast Steel Gate Valves: Bolted bonnet Outside screw and yoke Rising stem and non-rising handwheel Flexible wedge, fully guided Metal-to-metal seat Renewable seat ring and stem backseat Manual operation standard, gear o…

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