与法兰相邻
部分的直径
d0或d′0
|
法兰直径D0
|
||||||||||
≤200
|
201~
250
|
251~
320
|
321~
400
|
401~
500
|
501~
630
|
631~
800
|
801~
1000
|
1001~
1250
|
1251~
1600
|
1601~
2000
|
|
锻件法兰的最小锻出厚度L0、L1
|
|||||||||||
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
L0/L1
|
|
≤160
|
50/50
|
70/60
|
90/70
|
120/90
|
140/110
|
200/150
|
|||||
161~200
|
60/50
|
80/60
|
110/80
|
130/100
|
180/140
|
260/200
|
|||||
201~250
|
70/50
|
100/70
|
120/90
|
160/130
|
240/180
|
320/260
|
|||||
251~320
|
90/60
|
110/80
|
150/120
|
220/160
|
300/240
|
420/300
|
|||||
321~400
|
100/70
|
140/110
|
210/150
|
280/220
|
400/280
|
550/400
|
|||||
401~500
|
90/60
|
120/100
|
190/140
|
260/200
|
380/260
|
500/360
|
650/500
|
||||
501~630
|
100/90
|
170/120
|
240/180
|
340/240
|
480/330
|
610/480
|
|||||
631~800
|
140/100
|
220/160
|
300/220
|
440/300
|
570/440
|
||||||
801~1000
|
170/120
|
280/200
|
400/280
|
520/400
|
|||||||
1001~1250
|
220/180
|
350/250
|
440/350
|
||||||||
1251~1600
|
260/220
|
400/320
|