主要外形连接尺寸
|
公称压力PN
|
DN(mm)
|
L
|
D
|
D1
|
D2
|
b-f
|
z-Φd
|
H
|
|
PN1.6
MPa
|
50
|
250
|
165
|
125
|
102
|
18-3
|
4-Φ18
|
350
|
|
65
|
270
|
185
|
145
|
122
|
18-3
|
8-Φ18
|
370
|
|
80
|
280
|
200
|
160
|
138
|
20-3
|
8-Φ18
|
390
|
|
100
|
300
|
220
|
180
|
158
|
20-3
|
8-Φ18
|
435
|
|
125
|
325
|
250
|
210
|
188
|
22-3
|
8-Φ18
|
520
|
|
150
|
350
|
285
|
240
|
212
|
22-3
|
8-Φ22
|
610
|
|
200
|
400
|
340
|
295
|
268
|
24-3
|
12-Φ22
|
785
|
|
250
|
450
|
405
|
355
|
320
|
26-3
|
12-Φ26
|
960
|
|
300
|
500
|
460
|
410
|
378
|
28-4
|
12-Φ26
|
1080
|
|
350
|
550
|
520
|
470
|
438
|
30-4
|
16-Φ26
|
1200
|
|
400
|
600
|
580
|
525
|
490
|
32-4
|
16-Φ30
|
1400
|
|
450
|
650
|
640
|
585
|
550
|
40-4
|
20-Φ30
|
1500
|
|
500
|
700
|
715
|
650
|
610
|
44-4
|
20-Φ33
|
1630
|
|
600
|
800
|
840
|
770
|
725
|
54-5
|
20-Φ36
|
1830
|
|
50
|
250
|
165
|
125
|
102
|
20-3
|
4-Φ18
|
350
|
|
65
|
270
|
185
|
145
|
122
|
22-3
|
8-Φ18
|
370
|
|
80
|
280
|
200
|
160
|
138
|
24-3
|
8-Φ18
|
390
|
|
100
|
300
|
235
|
190
|
162
|
24-3
|
8-Φ22
|
435
|
|
PN2.5
MPa
|
125
|
325
|
270
|
220
|
188
|
26-3
|
8-Φ26
|
520
|
|
150
|
350
|
300
|
250
|
218
|
28-3
|
8-Φ26
|
610
|
|
200
|
400
|
360
|
310
|
278
|
30-3
|
12-Φ26
|
785
|
|
250
|
450
|
425
|
370
|
335
|
32-3
|
12-Φ30
|
930
|
|
300
|
500
|
485
|
430
|
395
|
34-4
|
16-Φ30
|
1080
|
|
350
|
550
|
555
|
490
|
450
|
38-4
|
16-Φ33
|
1250
|
|
400
|
600
|
620
|
550
|
505
|
40-4
|
16-Φ36
|
1430
|
注：本表中法兰尺寸按GB/T 9113-2010标准，结构长度按GB/T 12221-2005标准。
