美标法兰闸阀

美标法兰闸阀


闸阀的启闭件是闸板,闸板的运动方向与流体方向相垂直,闸阀只能作全开和全关 , 不能作调节和节流。闸板有两个密封面 , 最常用的模式闸板阀的两个密封面形成楔形、楔形角随阀门参数而异 , 通常为 50, 介质温度不高时为 2°52'。楔式闸阀的闸板可以做成一个整 体,叫做刚性闸板;也可以做成能产生微量变形的闸板 , 以改善其工艺性,弥补密封面角度在加工过程中产生的偏差 , 这种闸板叫做弹性闸板。

尺寸数据:

美标150(Lb)
DNDN/inLDD1D2bzxфdH≈Do≈
151/21089060.3359.64xф1618890
203/4117100704311.24xф1620290
25112711079.55112.74xф16225100
321 1/41401158963.514.34xф16252100
401 1/216512598.57315.94xф16277140
50178150120.59214.34xф19323200
652 1/2190180139.510515.94xф19347250
803203190152.512717.54xф19383250
1004229230190.5157.222.38xф19457280
1255254255216185.722.38xф22.5580300
1506267280241.521623.98xф22.5635300
2008292345298.5270278xф22.5762350
2501033040536232428.612xф25.5910400
3001235648543238130.212xф25.51080500
35014381535476.341333.412xф28.51295600
400164065955404703516xф28.51435600
45018432635578533.438.116xф321626650
50020457700635584.241.320xф321829650
60024508815749.5692.246.120xф352175700
75030610985914.585773.128xф352692700
800326601060978914.479.428xф413681
9003671111701085.910228932xф413921
美标300(Lb)
DNDN/inLDD1D2bzxфdH≈Do≈
151/21409566.73512.74xф15150100

3/415211582.64314.34xф19160100
2511651258950.815.94xф19186125
321 1/417813598.563.517.54xф19216160
401 1/2190155114.37319.14xф22.5250160
502161651279220.78xф19330250
652 1/2241190149.2104.823.98xф22.5368250
803283210168.3127278xф22.5400300
1004305255200157.230.28xф22.5473300
1255381280235185.733.48xф22.5660350
15064033202702163512xф25.5711350
2008419380330.227039.712xф25.5813400
25010457445387.4323.846.116xф28.5995500
30012502520450.838149.316xф321090600
35014762585514.4412.852.420xф321205600
40016838650571.547055.620xф351367650
45018914710628.6533.458.824xф352077838
50020991775685.8584.26224xф352310889
600241143915812.8692.268.324xф4128101092
美标600(Lb)
DNDN/inLDD1D2bzxфdH≈Do≈
151/21659566.73514.34xф15155100
203/419012082.64315.94xф19160100
2512161258950.817.54xф19186125
321 1/422913598.563.520.74xф19216160
401 1/2241155114.37322.34xф22250160
5029216512792.125.48xф19513254
652 1/2330190149.2104.828.68xф22425254
803356210168.312731.88xф22475305
1004432275216157.238.18xф25568356
1255508330266.7185.744.58xф29610406
1506559355292.121647.712xф29730508
2008660420349.227055.612xф32874610
25010787510431.8323.863.516xф35995686
3001283856048938166.720xф351140686
35014889605527412.866.920xф381630762
40016991685603.247076.220xф412032889
450181092745654533.482.620xф442186889
500201194815724584.288.924xф4424201000
600241397940838692.2101.624xф5228451000