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参考价格:0 | 发布于:2009-9-24

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产品信息
产品名称:ZMQP(M)气动薄膜切断阀
产品品牌:丹欧阀门
规格型号:
生产厂家:上海丹欧阀门有限公司
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产品简介:

 
  ZMQP(M)气动薄膜切断阀  
   
   
 
 ZMQ、ZSQ型气动薄膜(活塞)切断阀采用顶导向结构,配用多弹簧执行机构。 具有结构紧凑、重量轻、动作灵敏、流体通道呈S流线型、压降损失小、阀容量大、拆装方便等优点。切断阀接受来自调节仪表的信号,切断、开启或改变介质 流向,达到对压力、流量、液位等工艺参数自动控制。广泛应用于石油、化工、冶金、电力、轻工、纺织等各种工业部门的生产过程自动控制和运程控制系统中。 
  本系列产品有薄膜式、活塞式两种。阀体结构有单座、套筒、双座(二位三通)三种,密封形式有填料密封和波纹管密封两种,产品公称压力等级有PN10、 16、40、46四种,公称口径范围DN20~200mm。适用流体温度由-60~450℃。泄漏量等级为IV级或VI级。流量特性为快开。 
  
  结构特点  
   1.切断阀采用多弹簧执行机构与调节机构用三根立相连,整个高度可减小约30%,重量可减轻约30%。 
  2.阀体按流体力学原理设计成等截面低流阻流道,额定流量系统数增大30%。 
  3.阀内件密封部分有严密型和软密封两种,严密型为堆焊硬质合金,软密封型为质材料制作,关闭进密封性能优良。 
  4.平衡型阀内件,提高了切断阀的许用压差。 
  5.波纹管密封型对移动的阀杆形成完全的密封,堵绝了介质外漏的可能性。 
  6. 活塞式执行机构,操作力大,使用压差大。 
  主要性能技术参数  
 
 
     
         
             
             公称通径DN(mm) 
             
             
             15 
             
             
             20 
             
             
             25 
             
             
             32 
             
             
             40 
             
             
             50 
             
             
             65 
             
             
             80 
             
             
             100 
             
             
             125 
             
             
             150 
             
             
             200 
             
         
         
             
             额定流量系数kv 
             
             
             套筒 
             
             
               
             
             
               
             
             
             11 
             
             
             20 
             
             
             30 
             
             
             48 
             
             
             75 
             
             
             120 
             
             
             190 
             
             
             300 
             
             
             480 
             
             
             760 
             
         
         
             
             单座 
             
             
             5 
             
             
             7 
             
             
             11 
             
             
             20 
             
             
             30 
             
             
             48 
             
             
             75 
             
             
             120 
             
             
             190 
             
             
             300 
             
             
             480 
             
             
             760 
             
         
         
             
             三通 
             
         
         
             
             额定行程(mm) 
             
             
             8 
             
             
             12 
             
             
             20 
             
             
             25 
             
             
             40 
             
             
             50 
             
         
         
             
             允许泄漏量 
             
             
             硬密封(L/H) 
             
             
             套筒5×10 -5 阀额定容量 单座、三通1.2×10 -7 ×阀的额定容量 
             
         
         
             
             软密封(ml/min) 
             
             
             无 
             
         
         
             
             介质温度℃ 
             
             
             -200~+200、-40~+450 
             
         
         
             
             膜片有效面积(cm 2 )(薄膜式切断阀) 
             
             
             100 
             
             
             200 
             
             
             400 
             
             
             600 
             
             
             1000 
             
         
         
             
             公称压力PN(MPa) 
             
             
             1.6 4.0 6.4 
             
         
         
             
             允许压差(MPa) 
             
             
             单座 
             
             
             6.4 
             
             
             6.4 
             
             
             3.8 
             
             
             2.5 
             
             
             2.9 
             
             
             1.8 
             
             
             2.0 
             
             
             1.3 
             
             
             0.83 
             
             
             0.8 
             
             
             0.55 
             
             
             0.52 
             
         
         
             
             套筒 
             
             
             6.4 
             
         
         
             
             信号压力KPa 
             
             
             200(薄膜片) 
             
         
         
             
             阀体 
             
             
             Ht200 ZG230-450\ZG1Cr18Ni9Ti 
             
         
         
             
             阀塞套筒 
             
             
             1Cr18Ni9Ti Cr18Ni12Mo2Ti 
             
         
         
             
             阀芯、阀座 
             
             
             1Cr18Ni9Ti Cr18Ni12Mo2Ti 
             
         
         
             
             填 料 
             
             
             聚四乙烯 柔性石墨 
             
         
         
             
             可配附件 
             
             
             空气过滤减压器、电磁阀、阀位回讯器等 
             
         
     
 
 
  气动薄膜切断阀  
 
 
     
         
             
             公称通径(mm) 
             
             
             15 
             
             
             20 
             
             
             25 
             
             
             32 
             
             
             40 
             
             
             50 
             
             
             65 
             
             
             80 
             
             
             100 
             
             
             125 
             
             
             150 
             
             
             200 
             
         
         
             
             额定流量系数 
             
             
             5 
             
             
             8 
             
             
             12 
             
             
             17 
             
             
             29 
             
             
             43 
             
             
             70 
             
             
             110 
             
             
             165 
             
             
             275 
             
             
             440 
             
             
             690 
             
         
         
             
             A(mm) 
             
             
             194 
             
             
             230 
             
             
             306 
             
             
             394 
             
             
             496 
             
         
         
             
             L(mm) 
             
             
             PN16 
             
             
             150 
             
             
             160 
             
             
             180 
             
             
             200 
             
             
             230 
             
             
             290 
             
             
             310 
             
             
             350 
             
             
             400 
             
             
             480 
             
             
             600 
             
         
         
             
             PN64 
             
             
             230 
             
             
             260 
             
             
             300 
             
             
             340 
             
             
             380 
             
             
             430 
             
             
             500 
             
             
             550 
             
             
             650 
             
         
         
             
             D(mm) 
             
             
             PN16 
             
             
             95 
             
             
             105 
             
             
             115 
             
             
             140 
             
             
             150 
             
             
             165 
             
             
             185 
             
             
             200 
             
             
             220 
             
             
             250 
             
             
             285 
             
             
             340 
             
         
         
             
             PN64 
             
             
             105 
             
             
             130 
             
             
             140 
             
             
             155 
             
             
             170 
             
             
             180 
             
             
             205 
             
             
             215 
             
             
             250 
             
             
             295 
             
             
             345 
             
             
             415 
             
         
         
             
             H2(mm) 
             
             
             325 
             
             
             346 
             
             
             360 
             
             
             369 
             
             
             477 
             
             
             517 
             
             
             540 
             
             
             742 
             
             
             822 
             
             
             877