Telephone：13601121914
300X缓闭止回阀
Slow closing inverted valve usually use the high building for water supply,and the water out place,it is the intelligent valve to avid the water back ,water hammer, and hydraulic shock ,to improve the safety for the water supply system,
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公称通径DN(mm)
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20～600
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公称压力PN(MPa)
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1.0～2.5
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公称压力Ps(MPa)
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强度试验
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1.5～3.75
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密封试验
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1.1～2.75
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主要 零件
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阀体
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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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阀座
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铜合金、不锈钢
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密封圈
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丁腈橡胶（NBR），聚乙烯四氟（PTFE）
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阀杆
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2Cr13
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弹簧
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50CrVA
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针型阀
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铜合金
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浮球阀
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铜合金、不锈钢
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微型过滤器
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不锈钢
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适用介质
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水
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适用温度
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0℃～80℃
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连接形式
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法兰式
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![(NF$%Q]8VSQD7)MQIYZC8QJ.png](/d/file/chanpinzhongxin/shoudongfamen/qitashoudongfamen/2017-08-14/cc466e8641c46cce7c47cb52743dc70f.png)
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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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A1
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A
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H1
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H
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F
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|
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20
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150
|
200
|
282
|
106
|
172
|
116
|
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25
|
160
|
200
|
282
|
106
|
172
|
116
|
|
32
|
180
|
200
|
282
|
106
|
172
|
116
|
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40
|
200
|
210
|
320
|
137
|
225
|
168
|
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50
|
203
|
210
|
320
|
137
|
225
|
168
|
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65
|
216
|
215
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330
|
145
|
270
|
180
|
|
80
|
241
|
220
|
330
|
178
|
289
|
210
|
|
100
|
292
|
230
|
410
|
232
|
375
|
284
|
|
125
|
330
|
245
|
420
|
286
|
420
|
310
|
|
150
|
356
|
260
|
420
|
318
|
450
|
370
|
|
200
|
495
|
280
|
430
|
413
|
722
|
463
|
|
250
|
622
|
300
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450
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502
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769
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525
|
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300
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698
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320
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460
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600
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906
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625
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350
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787
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340
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470
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638
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980
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705
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400
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914
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360
|
480
|
677
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1027
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778
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450
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978
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360
|
480
|
677
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1027
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778
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500
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978
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410
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780
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750
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1110
|
690
|
|
600
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1230
|
456
|
888
|
850
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1286
|
785
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300X缓闭止回阀
Slow closing inverted valve usually use the high building for water supply,and the water out place,it is the intelligent valve to avid the water back ,water hammer, and hydraulic shock ,to improve the safety for the water supply system, it is have the th
