Manual knife gate valve of penetrable

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Manual knife gate valve of penetrable
Posting date : Mar 16, 2010
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96-
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Manual penetration knife gate valve also can be named manual flashboard valves which gate closely contacts with the seat , Principle is that there is a diameter size of circular port in the gate ,opening and closing gate makes circular port takes off and consistent action with diameter . The advantages of this valve are: body's diameter without grooves, the medium does not plug the card blocking, full-diameter flow characteristics, suitable for powder using in the pipeline. The sealing structure can be divided into soft-seal and hard seal structure. Penetrable Knife Gate Valve is a sophisticated structure, good technology, compact structure, etc, activities of structural design of sealing seat, anti-wear and automatic compensation function and long age. Gate keeps closely movement with gate when opening and closing, makes valve open and close stability and cuts off the media, and so on. Hand wheel can directly operate wheel to open and close the valve. Model:QBZ73H-10C、QBZ73X-10C、QBZ73W-10P Nominal diameter: DN50-DN1200 Nominal pressure GB, ANSI, JIS, DIN, BS Material: cast steel、stainless steel Disc:2Cr13、201、304、316、316L Connection: flange 、wafer Seat ring :NBR、EPDM、 FPM、 2Cr13、Stainless steel、hard alloy Sealing filler: PTFE Media: swage、power、 paper pulp、ore pulp、cinder

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