閥門(mén)分類
GB 1.6Mpa
|
||||||||||
DN
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
200
|
250
|
265
|
280
|
300
|
325
|
350
|
400
|
450
|
500
|
H
|
310
|
355
|
375
|
435
|
500
|
615
|
675
|
815
|
970
|
1145
|
D0
|
200
|
240
|
240
|
280
|
300
|
320
|
360
|
400
|
450
|
560
|
GB 2.5Mpa
|
||||||||||
DN
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
200
|
250
|
265
|
280
|
300
|
325
|
350
|
400
|
450
|
500
|
H
|
310
|
355
|
375
|
435
|
500
|
615
|
675
|
815
|
970
|
1145
|
D0
|
240
|
240
|
280
|
300
|
320
|
360
|
400
|
450
|
560
|
640
|