QB型系列刀闸阀吸取了国内外*技术和结构优点，排除了其他厂家所产刀闸阀在使用中存在的问题，此阀门主要由阀体、闸板、阀杆、阀杆螺母、密封圈、操作件组成。闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。而且此产品的软密封结构的密封圈是由金属圈压套在阀座上的阶梯凹槽内，具有密封不脱落，而且可以很方便的更换等优点。并且整体轻小、结构精巧、密封性能可靠、使用寿命长、具有切断介质等优点，广泛适用于造纸、水利、矿业、化工、食品等领域。汽缸配三连件，电磁阀，等配件可实现远程控制。

QB Series Knife Gate Valve absorb the advantages of technology and structure both at home and aboard to exclude other knife gate valves' shortcomings   when using . This knife gate valve is made up withe 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.

产品型号：QBZ673H-10C、QBZ673X-10C、QBZ673F-10C

外型结构:凸耳、梅花、圆型

公称通径范围：DN50-DN1200

公称压力范围：国标、美标、日标、德标、英标                   

材质：铸钢、不锈钢、

闸板材质：2Cr13、201、304、316、316L

连接形式：法兰、对夹

阀座密封圈：四氟、丁腈橡胶、三元乙丙橡胶、氟橡胶、堆焊2Cr13、不锈钢、硬质合金

填料密封：含油四氟盘根

适用介质：污水、粉体颗粒、纸浆、矿浆、煤渣

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

Exterior structure: lugged 、   plum、round

Nominal diameter :DN50-DN1200

Nominal pressure:national standard 、American standard 、Japanese standard、German standard 、 British standard

Material:cast steel、stainless steel

Disc:2Cr13、201、304、316、316L

Connection: flange 、wafer

Seat ring :PTFE、NBR、EPDM、 vition、 2Cr13、stainless steel、hard alloy

Seal filler: PTFE

Media:swage、power、 paper pulp、ore pulp、cinde