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HH44H/X 铸钢蝶式缓闭止回阀/铸钢微阻缓闭止回阀
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:
|
铸钢蝶式缓闭止回阀
|
|
GB 1.0MPa
|
|
DN
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
900
|
1000
|
1200
|
1400
|
|
L
|
230
|
250
|
270
|
290
|
310
|
330
|
350
|
390
|
430
|
470
|
510
|
550
|
630
|
710
|
|
H
|
550
|
630
|
690
|
780
|
860
|
910
|
980
|
1070
|
1220
|
1320
|
1430
|
1550
|
1800
|
1980
|
|
GB 1.6MPa
|
|
DN
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
900
|
1000
|
1200
|
1400
|
|
L
|
230
|
250
|
270
|
290
|
310
|
330
|
350
|
390
|
430
|
470
|
510
|
550
|
630
|
710
|
|
H
|
550
|
630
|
690
|
780
|
860
|
910
|
980
|
1070
|
1220
|
1320
|
1430
|
1550
|
1800
|
1980
|
|
GB 2.5MPa
|
|
DN
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
900
|
1000
|
1200
|
1400
|
|
L
|
230
|
250
|
270
|
290
|
310
|
330
|
350
|
390
|
430
|
470
|
510
|
550
|
630
|
710
|
|
H
|
550
|
630
|
690
|
780
|
860
|
910
|
980
|
1070
|
1220
|
1320
|
1430
|
1550
|
1800
|
1980
|
|
铸钢微阻缓闭止回阀
|
|
GB 1.0MPa
|
|
DN
|
40
|
50
|
65
|
80
|
100
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
|
L
|
200
|
230
|
290
|
310
|
350
|
480
|
500
|
600
|
700
|
800
|
900
|
1000
|
1100
|
1300
|
1400
|
1500
|
|
H
|
300
|
300
|
320
|
354
|
350
|
500
|
580
|
670
|
730
|
820
|
920
|
950
|
1100
|
1200
|
1550
|
1700
|
|
GB 1.6MPa
|
|
DN
|
40
|
50
|
65
|
80
|
100
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
|
L
|
200
|
230
|
290
|
310
|
350
|
480
|
500
|
600
|
700
|
800
|
900
|
1000
|
1100
|
1300
|
1400
|
1500
|
|
H
|
300
|
300
|
320
|
354
|
350
|
500
|
580
|
670
|
730
|
820
|
920
|
950
|
1100
|
1200
|
1550
|
1700
|
|
GB 1.6MPa
|
|
DN
|
40
|
50
|
65
|
80
|
100
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
|
L
|
200
|
230
|
290
|
310
|
350
|
480
|
500
|
600
|
700
|
800
|
900
|
1000
|
1100
|
1300
|
1400
|
1500
|
|
H
|
300
|
300
|
320
|
354
|
350
|
500
|
580
|
670
|
730
|
820
|
920
|
950
|
1100
|
1200
|
1550
|
1700
|
|