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A型和B型垫片尺寸(HG 20631—1997)
发布时间： 2026-10-22 12:02:31 被阅览数： 15 次 来源：
不锈钢法兰,平焊法兰,对焊法兰,兴化市源泰法兰锻造厂
|
| |
|
公称通径
|
内环
内径
D₁
|
缠绕垫
|
内环
厚度
Ti
|
公称通径
|
内环
内径
D₁
|
缠绕垫
|
内环 厚度
T1
|
|
NPS
/in
|
DN
|
内径
D₂
|
外径
D₃
|
厚度
T
|
NPS
/in
|
DN
|
内径
D₂
|
外径
D₃
|
厚度
T
|
|
1/2
|
15
|
16
|
25
|
35.3
|
2.5
|
1.8
|
5
|
125
|
131.8
|
160
|
186.1
|
3.2
|
2.4
|
|
3/4
|
20
|
21.4
|
33
|
43.2
|
6
|
150
|
157.2
|
190.1
|
216.3
|
|
1
|
25
|
27.7
|
37.7
|
51.8
|
8
|
200
|
206.5
|
237.7
|
270.0
|
|
1%
|
32
|
38.1
|
47.2
|
63.9
|
10
|
250
|
257.8
|
285.7
|
323.9
|
|
1%
|
40
|
44.4
|
53.6
|
73.4
|
12
|
300
|
306.3
|
342.8
|
381.1
|
|
2
|
50
|
55.4
|
72.6
|
92.5
|
14
|
350
|
336.6
|
374.6
|
412.8
|
|
2%
|
65
|
66.8
|
85.3
|
105.2
|
16
|
400
|
384.3
|
425.4
|
470.0
|
|
3
|
80
|
81
|
107.6
|
127.4
|
18
|
450
|
431.8
|
488.9
|
533.5
|
|
4
|
100
|
106.4
|
131.4
|
157.6
|
20
|
500
|
481.1
|
533.3
|
584.3
|
|
24
|
600
|
577.8
|
641.8
|
691.7
|
(mm)
|
公称通径
|
PN2.0MPa(Class 150)
|
PN5.0MPa(Class 300)
|
PN11.0MPa(Class 600)
|
缠绕 垫厚 度T
|
内外环
厚度
Ti
|
|
NPS
/in
|
DN
|
内环 内径 D₁
|
缠绕垫 内径
 ₂
|
缠绕垫
外径
D₃
|
外环 · 外径
D₄
|
内环
内径
D;
|
缠绕垫 内径
D₂
|
缠绕垫
外径
D₃
|
外环
外径
D₁
|
内环
内径
D;
|
缠绕垫 内径
D₂
|
缠绕垫
外径
D₃
|
外环 外径
 ₄
|
|
1/2
|
15
|
14.2
|
19.1
|
31.8
|
46.5
|
14.2
|
19.1
|
31.8
|
52.5
|
14.2
|
19.1
|
31.8
|
52.5
|
4.5
|
3
|
|
3/4
|
20
|
20.6
|
25.4
|
39.6
|
56
|
20.6
|
25.4
|
39.6
|
66.5
|
20.6
|
25.4
|
39.6
|
66.5
|
|
1
|
25
|
26.9
|
31.8
|
47.8
|
65.5
|
26.9
|
31.8
|
47.8
|
73
|
26.9
|
31.8
|
47.8
|
73
|
|
1%
|
32
|
38.1
|
47.8
|
60.5
|
75
|
38.1
|
47.8
|
60.5
|
82.5
|
38.1
|
47.8
|
60.5
|
82.5
|
|
1%
|
40
|
44.5
|
54.1
|
69.9
|
84.5
|
44.5
|
54.1
|
69.9
|
94.5
|
44.5
|
54.1
|
69.9
|
94.5
|
|
2
|
50
|
55.6
|
69.9
|
85.9
|
104.5
|
55.6
|
69.9
|
85.9
|
111
|
55.6
|
69.9
|
85.9
|
111
|
|
2%
|
65
|
66.5
|
82.6
|
98.6
|
123.5
|
66.5
|
82.6
|
98.6
|
129
|
66.5
|
82.6
|
98.6
|
129
|
|
3
|
80
|
81.0
|
101.6
|
120.7
|
136.5
|
81.0
|
101.6
|
120.7
|
148.5
|
81.0
|
101.6
|
120.7
|
148.5
|
|
4
|
100
|
106.4
|
127.0
|
149.4
|
174.5
|
106.4
|
127.0
|
149.4
|
180
|
106.4
|
120.7
|
149.4
|
192
|
|
5
|
125
|
131.8
|
155.7
|
177.8
|
196
|
131.8
|
155.7
|
177.8
|
215
|
131.8
|
147.6
|
177.8
|
240
|
|
6
|
150
|
157.2
|
182.6
|
209.6
|
221.5
|
157.2
|
182.6
|
209.6
|
250
|
157.2
|
174.8
|
209.6
|
265
|
|
8
|
200
|
215.9
|
233.4
|
263.7
|
278.5
|
215.9
|
233.4
|
263.7
|
306
|
209.6
|
225.6
|
263.7
|
319
|
|
10
|
250
|
268.2
|
287.3
|
317.5
|
338
|
268.2
|
287.3
|
317.5
|
360.5
|
260.4
|
274.6
|
317.5
|
399
|
|
12
|
300
|
317.5
|
339.9
|
374.7
|
408
|
317.5
|
339.9
|
374.7
|
421
|
317.5
|
327.2
|
374.7
|
456
|
|
14
|
350
|
349.3
|
371.6
|
406.4
|
449
|
349.3
|
371.6
|
406.4
|
484.5
|
349.3
|
362.0
|
406.4
|
491
|
|
16
|
400
|
400.1
|
422.4
|
463.6
|
513
|
400.1
|
422.4
|
463.6
|
538.5
|
400.1
|
412.8
|
463.6
|
564
|
|
18
|
450
|
449.3
|
474.7
|
527.1
|
548
|
449.3
|
474.7
|
527.1
|
595.5
|
449.3
|
469.9
|
527.1
|
612
|
|
20
|
500
|
500.1
|
525.5
|
577.9
|
605
|
500.1
|
525.5
|
577.9
|
653
|
500.1
|
520.7
|
577.9
|
682
|
|
22
|
550
|
552.5
|
577.9
|
635.0
|
659
|
552.5
|
577.9
|
635.0
|
704
|
552.5
|
577.9
|
635.0
|
733
|
|
24
|
600
|
603.3
|
628.7
|
685.8
|
716.5
|
603.3
|
628.7
|
685.8
|
774
|
603.3
|
628.7
|
685.8
|
790
|
|
公称通径
|
PN15.0MPa(Class 900)
|
PN26.0MPa(Class 1500)
|
缠绕垫 厚度T
|
内外环
厚度
T₁
|
|
NPS
/in
|
DN
|
内环
内径
D₁
|
缠绕垫
内径
D2
|
缠绕垫
外径
D₃
|
外环
外径
D₄
|
内环
内径
Di
|
缠绕垫 内径
 ₂
|
缠绕垫
外径
D₃
|
外环
外径
D₄
|
|
1/2
|
15
|
14.2
|
19.1
|
31.8
|
62.5
|
14.2
|
19.1
|
31.8
|
62.5
|
4.5
|
3
|
|
3/4
|
20
|
20.6
|
25.4
|
39.6
|
69
|
20.6
|
25.4
|
39.6
|
69
|
|
1
|
25
|
26.9
|
31.8
|
47.8
|
77.5
|
26.9
|
31.8
|
47.8
|
77.5
|
|
1%
|
32
|
33.3
|
39.6
|
60.5
|
87
|
33.3
|
39.6
|
60.5
|
87
|
|
1%
|
40
|
41.4
|
47.8
|
69.9
|
97
|
41.4
|
47.8
|
69.9
|
97
|
|
2
|
50
|
52.3
|
58.7
|
85.9
|
141
|
52.3
|
58.7
|
85.9
|
141
|
|
2%
|
65
|
63.5
|
69.9
|
98.6
|
163.5
|
63.5
|
69.9
|
98.6
|
163.5
|
|
3
|
80
|
81.0
|
95.3
|
120.7
|
166.5
|
81.0
|
92.2
|
120.7
|
173
|
|
4
|
100
|
106.4
|
120.7
|
149.4
|
205
|
106.4
|
117.6
|
149.4
|
208.5
|
|
5
|
125
|
131.8
|
147.6
|
177.8
|
246.5
|
131.8
|
143.0
|
177.8
|
253
|
|
6
|
150
|
157.2
|
174.8
|
209.6
|
287.5
|
157.2
|
171.5
|
209.6
|
281.5
|
|
8
|
200
|
209.6
|
222.3
|
257.3
|
357.5
|
206.2
|
215.9
|
257.3
|
351.5
|
|
10
|
250
|
260.4
|
276.4
|
311.2
|
434
|
257.8
|
266.7
|
311.2
|
434.5
|
|
12
|
300
|
314.5
|
323.9
|
368.3
|
497.5
|
314.5
|
323.9
|
368.3
|
519.5
|
|
14
|
350
|
342.9
|
355.6
|
400.1
|
520
|
339.9
|
362.0
|
400.1
|
579
|
|
16
|
400
|
393.7
|
412.8
|
457.2
|
574
|
387.4
|
406.4
|
457.2
|
641
|
|
18
|
450
|
444.5
|
463.6
|
520.7
|
638
|
438.2
|
463.6
|
520.7
|
704.5
|
|
20
|
500
|
495.3
|
520.7
|
571.5
|
697.5
|
489.0
|
514.4
|
571.5
|
756
|
|
24
|
600
|
603.3
|
628.7
|
679.5
|
837.5
|
577.9
|
616.0
|
679.5
|
900.5
|
|
公称通径
|
PN2.0MPa(Class 150)
|
PN5.0MPa(Class 300)
|
缠绕垫 厚度T
|
内外环
厚度
Ti
|
|
NPS
/in
|
DN
|
内环
内径
D₁
|
缠绕垫
内径
D₂
|
缠绕垫
外径
₃
|
外环
外径
D₄
|
内环
内径
Di
|
缠绕垫
内径
D2
|
缠绕垫
外径
D₃
|
外环
外径
₄
|
|
26
|
650
|
654.1
|
673.1
|
698.5
|
725
|
654.1
|
673.1
|
711.2
|
770
|
4.5
|
3
|
|
28
|
700
|
704.9
|
723.9
|
749.3
|
775
|
704.9
|
723.9
|
762.0
|
824
|
|
30
|
750
|
755.7
|
774.7
|
800.1
|
826
|
755.7
|
774.7
|
812.8
|
885
|
|
32
|
800
|
806.5
|
825.5
|
850.9
|
880
|
806.5
|
825.5
|
863.6
|
939
|
|
34
|
850
|
857.3
|
876.3
|
908.1
|
933
|
857.3
|
876.3
|
914.4
|
993
|
|
36
|
900
|
908.1
|
927.1
|
958.9
|
986
|
908.1
|
927.1
|
965.2
|
1047
|
|
38
|
950
|
958.9
|
974.6
|
1009.7
|
1043
|
971.6
|
1009.7
|
1047.8
|
1098
|
|
40
|
1000
|
1009.7
|
1022.4
|
1063.8
|
1094
|
1022.4
|
1060.5
|
1098.6
|
1149
|
|
42
|
1050
|
1060.5
|
1079.5
|
1114.6
|
1145
|
1085.9
|
1111.3
|
1149.4
|
1200
|
|
44
|
1100
|
1111.3
|
1124.0
|
1165.4
|
.1192
|
1124.0
|
1162.1
|
1200.2
|
1250
|
|
46
|
1150
|
1162.1
|
1181.1
|
1224.0
|
1254
|
1178.1
|
1216.2
|
1254.3
|
1317
|
|
48
|
1200
|
1212.9
|
1231.9
|
1270.0
|
1305
|
1231.9
|
1263.7
|
1311.4
|
1368
|
|
50
|
1250
|
1263.7
|
1282.7
|
1325.6
|
1356
|
1267.0
|
1317.8
|
1355.9
|
1419
|
|
52
|
1300
|
1314.5
|
1333.5
|
1376.4
|
1407
|
1317.8
|
1368.6
|
1406.7
|
1470
|
|
54
|
1350
|
1365.3
|
1384.3
|
1422.4
|
1462
|
1365.3
|
1403.4
|
1454.2
|
1530
|
|
56
|
1400
|
1422.4
|
1444.8
|
1477.8
|
1513
|
1428.8
|
1479.6
|
1524.0
|
1595
|
|
58
|
1450
|
1478.0
|
1500.4
|
1528.8
|
1578
|
1484.4
|
1535.2
|
1573.3
|
1657
|
|
60
|
1500
|
1535.2
|
1557.3
|
1586.0
|
1629
|
1557.3
|
1589.0
|
1630.4
|
1708
|
|
公称通径
|
PN11.0MPa(Class 600)
|
PN15.0MPa(Class 900)
|
缠绕垫 厚度T
|
内外环
厚度
T1
|
|
NPS
/in
|
DN
|
内环
内径
₁
|
缠绕垫
内径
D2
|
缠绕垫
外径
D₃
|
外环
外径
D4
|
内环
内径
D1
|
缠绕垫
内径
D2
|
缠绕垫
外径
D₃
|
外环
外径
D4
|
|
26
|
650
|
644.7
|
663.7
|
714.5
|
764
|
673.1
|
692.2
|
749.3
|
838
|
4.5
|
3
|
|
28
|
700
|
692.2
|
704.9
|
755.7
|
819
|
723.9
|
743.0
|
800.1
|
902
|
|
30
|
750
|
752.6
|
778.0
|
828.8
|
879
|
787.4
|
806.5
|
857.3
|
959
|
|
32
|
800
|
793.8
|
1593.9
|
882.7
|
932
|
838.2
|
863.6
|
914.4
|
1016
|
|
34
|
850
|
850.9
|
889.0
|
939.8
|
998
|
895.4
|
920.8
|
971.6
|
1074
|
|
36
|
900
|
901.7
|
939.8
|
990.6
|
1049
|
927.1
|
946.2
|
997.0
|
1124
|
|
| |
|
|
|
|
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