QB Series Knife Gate Valve absorbs the advantages of technology and structure bots at home and aboard to exclude other knife gate valves' shortcomings   when using. This knife gate valve is made up with body、disc、stem、stem nut、sealing ring and operation parts. The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.  And the structure of the soft sealing ring of this product is pressed by a metal ring set in the seat within a groove on the ladder which can't drop and be convenient to change. And it's small in size, structure compact, sealing reliable and long service life. It can cut off the media, etc. It's widely used in papermaking, water conservancy, mining, chemical, food and other fields. Cylinder goes together with three connected parts, solenoid valves, and other accessories can realize remote control.

Model:QBZ673X-10C、QBZ673X-10C、QBZ673F-10C

Exterior structure: l ed, plum, round

Size:2’’ -48’’

Nominal pressure: GB, ANSI, JIS, DIN, BS

Body: cast steel, stainless steel

Disc:2Cr13，201，304，316，316L

Connection: flange，wafer

Seat ring: PTFE, NBR, EPDM, FPM, 2Cr13, stainless steel, hard alloy

Seal filler: PTFE