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H74H/Y铸(锻)钢对夹式止回阀
设计与制造标准：
●设计与制造：ANSIB16.34 API6D GB12236
●法兰尺寸：ANSIB16.5 JB/T79 GB9113
●压力温度：---
●结构长度：ANSIB16.10 GB12221
●对焊连接尺寸：---
●检验与试验：API598 GB9131
安装尺寸及重量：
|
GB 1.6MPa
|
|
DN
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
L
|
14.5
|
14.5
|
14.5
|
14.5
|
16
|
19
|
29
|
29
|
38
|
41
|
51
|
51
|
65
|
70
|
|
D
|
109
|
129
|
144
|
164
|
194
|
221
|
275
|
331
|
386
|
446
|
498
|
558
|
620
|
737
|
|
Wt
|
1.2
|
1.6
|
2.2
|
2.7
|
3.8
|
5.8
|
14
|
17.5
|
27
|
41.5
|
60
|
74
|
116
|
178
|
|
GB 2.5MPa
|
|
DN
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
L
|
14.5
|
14.5
|
14.5
|
14.5
|
16
|
19
|
29
|
29
|
38
|
41
|
51
|
51
|
65
|
70
|
|
D
|
109
|
129
|
144
|
170
|
196
|
226
|
286
|
343
|
403
|
460
|
517
|
567
|
627
|
734
|
|
Wt
|
1.2
|
1.6
|
2.2
|
2.7
|
3.8
|
5.8
|
14
|
17.5
|
27
|
41.5
|
60
|
74
|
116
|
178
|
|
GB 4.0MPa
|
|
DN
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
L
|
14.5
|
14.5
|
14.5
|
14.5
|
16
|
19
|
29
|
29
|
38
|
41
|
51
|
51
|
65
|
70
|
|
D
|
109
|
129
|
144
|
170
|
196
|
226
|
293
|
355
|
420
|
477
|
519
|
574
|
631
|
750
|
|
Wt
|
1.2
|
1.6
|
2.2
|
2.7
|
3.8
|
5.8
|
14
|
17.5
|
27
|
41.5
|
60
|
74
|
116
|
178
|
|
