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,
|
公称通径DN(mm)
|
20～600
|
|||
|
公称压力PN(MPa)
|
1.0～2.5
|
|||
|
公称压力Ps(MPa)
|
强度试验
|
1.5～3.75
|
||
|
密封试验
|
1.1～2.75
|
|||
|
主要 零件
|
阀体
|
球墨铸铁
|
碳钢
|
不锈钢
|
|
阀座
|
铜合金、不锈钢
|
|||
|
密封圈
|
丁腈橡胶（NBR），聚乙烯四氟（PTFE）
|
|||
|
阀杆
|
2Cr13
|
|||
|
弹簧
|
50CrVA
|
|||
|
针型阀
|
铜合金
|
|||
|
浮球阀
|
铜合金、不锈钢
|
|||
|
微型过滤器
|
不锈钢
|
|||
|
适用介质
|
水
|
|||
|
适用温度
|
0℃～80℃
|
|||
|
连接形式
|
法兰式
|
|||
![(NF$%Q]8VSQD7)MQIYZC8QJ.png](static/picture/cc466e8641c46cce7c47cb52743dc70f.png)
|
公称通径DN
|
连接尺寸mm
|
|||||
|
L
|
A1
|
A
|
H1
|
H
|
F
|
|
|
20
|
150
|
200
|
282
|
106
|
172
|
116
|
|
25
|
160
|
200
|
282
|
106
|
172
|
116
|
|
32
|
180
|
200
|
282
|
106
|
172
|
116
|
|
40
|
200
|
210
|
320
|
137
|
225
|
168
|
|
50
|
203
|
210
|
320
|
137
|
225
|
168
|
|
65
|
216
|
215
|
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
|
450
|
502
|
769
|
525
|
|
300
|
698
|
320
|
460
|
600
|
906
|
625
|
|
350
|
787
|
340
|
470
|
638
|
980
|
705
|
|
400
|
914
|
360
|
480
|
677
|
1027
|
778
|
|
450
|
978
|
360
|
480
|
677
|
1027
|
778
|
|
500
|
978
|
410
|
780
|
750
|
1110
|
690
|
|
600
|
1230
|
456
|
888
|
850
|
1286
|
785
|
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
