Telephone：13601121914
法兰闸阀
General gate valve can be widely applied to block full opening and closing in pipeline rather than to adjustment and throttling.
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公称通径DN(mm)
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15～300
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公称压力PN(MPa)
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1.0～6.4
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公称压力Ps(MPa)
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强度试验
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1.5～9.6
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密封试验
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1.1～7.04
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主要
零件
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阀体、阀盖
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球墨铸铁
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碳钢
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不锈钢
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阀杆
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2Cr13
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2Cr13
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不锈钢
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垫片
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聚四氟乙烯/钢带石墨缠绕
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填料
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聚四氟乙烯/柔性石墨
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适用介质
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水、油类，酸碱等腐蚀性介质
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适用温度
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-40℃～425℃
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连接形式
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法兰式
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公称通径DN
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连接尺寸mm
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||||||
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L
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D0
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H
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D2
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D
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D1
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n-d
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15
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130
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120
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170
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45
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65
|
95
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4--14
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20
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150
|
140
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190
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55
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75
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105
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4--14
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25
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160
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160
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205
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65
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85
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115
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4--14
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32
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180
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180
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270
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78
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100
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135
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4--18
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40
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200
|
200
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310
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85
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110
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145
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4--18
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50
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250
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240
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358
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100
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125
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160
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4--18
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65
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265
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240
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373
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120
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145
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180
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4--18
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80
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280
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280
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435
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135
|
160
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195
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8--18
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100
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300
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300
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500
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155
|
180
|
215
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8--18
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125
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325
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320
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614
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185
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210
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245
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8--18
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150
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350
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360
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674
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210
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240
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280
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8--23
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200
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400
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400
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818
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265
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295
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335
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12--23
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250
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450
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450
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862
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320
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355
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405
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12--26
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300
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500
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560
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935
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375
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410
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460
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12--26
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法兰闸阀
General gate valve can be widely applied to block full opening and closing in pipeline rather than to adjustment and throttling.
