锻造法兰盖
法兰盖也称盲板法兰、盲板。是中间不带孔的法兰,供封住管道堵头用。作用与焊接封头及丝扣管帽是一样的,只不过盲板法兰和丝扣管帽可以随时卸下来,而焊接封头则不行。密封面的形式种类较多,有全平面、突面、凹凸面、榫槽面、环连接面。
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主要连接尺寸
压力 |
公称通径 |
承插深度 |
螺栓孔 |
Bolting |
中心圆直径 |
孔数 |
孔径 |
Diam of Bolt |
螺栓长度 |
RF面 |
RJ面 |
Y |
K |
Z |
L |
inch |
H1 |
H2 |
150LB |
1/2 |
9.7 |
60.3 |
4 |
15.9 |
1/2 |
57.2 |
- |
3/4 |
11.2 |
69.9 |
4 |
15.9 |
1/2 |
63.5 |
- |
1 |
12.7 |
79.3 |
4 |
15.9 |
1/2 |
63.5 |
76.2 |
1¼ |
14.2 |
88.9 |
4 |
15.9 |
1/2 |
69.9 |
82.6 |
1½ |
15.7 |
98.6 |
4 |
15.9 |
1/2 |
69.9 |
82.6 |
2 |
17.5 |
120.7 |
4 |
19.1 |
5/8 |
82.6 |
95.3 |
2½ |
19.1 |
139.7 |
4 |
19.1 |
5/8 |
88.9 |
101.6 |
3 |
20.6 |
152.4 |
4 |
19.1 |
5/8 |
88.9 |
101.6 |
3½ |
- |
177.8 |
8 |
19.1 |
5/8 |
88.9 |
101.6 |
4 |
- |
190.5 |
8 |
19.1 |
5/8 |
88.9 |
101.6 |
5 |
- |
215.9 |
8 |
22.2 |
3/4 |
95.3 |
108 |
6 |
- |
241.3 |
8 |
22.2 |
3/4 |
101.6 |
114.3 |
8 |
- |
298.5 |
8 |
22.2 |
3/4 |
108 |
120.7 |
10 |
- |
362 |
12 |
25.4 |
7/8 |
114.3 |
127 |
12 |
- |
431.8 |
12 |
25.4 |
7/8 |
120.7 |
133.4 |
14 |
- |
476.2 |
12 |
28.6 |
1 |
133.4 |
146.1 |
16 |
- |
539.8 |
16 |
28.6 |
1 |
133.4 |
146.1 |
18 |
- |
577.9 |
16 |
31.8 |
1⅛ |
146.1 |
158.8 |
20 |
- |
635 |
20 |
31.8 |
1⅛ |
158.8 |
171.5 |
24 |
- |
749.3 |
20 |
34.9 |
1¼ |
171.5 |
184.2 |
压力 |
公称通径 |
螺纹长度 |
承插深度 |
螺栓孔 |
Bolting |
中心圆直径 |
孔数 |
孔径 |
Diam of Bolt |
螺栓长度 |
RF面 |
RJ面 |
Q |
Y |
K |
Z |
L |
inch |
H1 |
H2 |
300LB |
1/2 |
15.7 |
9.7 |
66.5 |
4 |
15.9 |
1/2 |
63.5 |
76.2 |
3/4 |
15.7 |
11.2 |
82.6 |
4 |
19.1 |
5/8 |
76.2 |
88.9 |
1 |
17.5 |
12.7 |
88.9 |
4 |
19.1 |
5/8 |
76.2 |
88.9 |
1¼ |
20.6 |
14.2 |
98.6 |
4 |
19.1 |
5/8 |
82.6 |
95.3 |
1½ |
22.4 |
15.7 |
114.3 |
4 |
22.2 |
3/4 |
88.9 |
101.6 |
2 |
28.4 |
17.5 |
127 |
8 |
19.1 |
5/8 |
88.9 |
101.6 |
2½ |
31.8 |
19.1 |
149.2 |
8 |
22.2 |
3/4 |
101.6 |
114.3 |
3 |
31.8 |
20.6 |
168.3 |
8 |
22.2 |
3/4 |
108 |
120.7 |
3½ |
36.6 |
- |
184.2 |
8 |
22.2 |
3/4 |
108 |
127 |
4 |
36.6 |
- |
200.2 |
8 |
22.2 |
3/4 |
114.3 |
127 |
5 |
42.9 |
- |
235 |
8 |
22.2 |
3/4 |
120.7 |
133.4 |
6 |
46 |
- |
269.8 |
12 |
22.2 |
3/4 |
120.7 |
139.7 |
8 |
50.8 |
- |
330.2 |
12 |
25.4 |
7/8 |
139.7 |
152.4 |
10 |
55.6 |
- |
387.4 |
16 |
28.6 |
1 |
158.8 |
171.5 |
12 |
60.5 |
- |
450.9 |
16 |
31.8 |
1⅛ |
171.5 |
184.2 |
14 |
63.5 |
- |
514.4 |
20 |
31.8 |
1⅛ |
177.8 |
190.5 |
16 |
68.3 |
- |
571.5 |
20 |
34.9 |
1¼ |
190.5 |
203.2 |
18 |
69.9 |
- |
628.7 |
24 |
34.9 |
1¼ |
196.9 |
209.6 |
20 |
73.2 |
- |
685.8 |
24 |
34.9 |
1¼ |
203.2 |
222.3 |
24 |
82.6 |
- |
812.8 |
24 |
41.3 |
1½ |
228.6 |
254 |
压力 |
公称通径 |
螺纹长度 |
承插深度 |
螺栓孔 |
Bolting |
中心圆直径 |
孔数 |
孔径 |
Diam of Bolt |
螺栓长度 |
RF面 |
RJ面 |
Q |
Y |
K |
Z |
L |
inch |
H1 |
H2 |
600LB |
1/2 |
15.7 |
9.7 |
66.5 |
4 |
15.9 |
1/2 |
76.2 |
76.2 |
3/4 |
15.7 |
11.2 |
82.6 |
4 |
19.1 |
5/8 |
88.9 |
88.9 |
1 |
17.5 |
12.7 |
88.9 |
4 |
19.1 |
5/8 |
88.9 |
88.9 |
1¼ |
20.6 |
14.2 |
98.6 |
4 |
19.1 |
5/8 |
95.3 |
95.3 |
1½ |
22.4 |
15.7 |
114.3 |
4 |
22.2 |
3/4 |
108 |
108 |
2 |
28.4 |
17.5 |
127 |
8 |
19.1 |
5/8 |
108 |
108 |
2½ |
31.8 |
19.1 |
149.2 |
8 |
22.2 |
3/4 |
120.7 |
120.7 |
3 |
35.1 |
20.6 |
168.3 |
8 |
22.2 |
3/4 |
127 |
127 |
3½ |
39.6 |
- |
184.2 |
8 |
25.4 |
7/8 |
139.7 |
139.7 |
4 |
41.1 |
- |
215.9 |
8 |
25.4 |
7/8 |
146.1 |
146.1 |
5 |
47.8 |
- |
266.8 |
8 |
28.6 |
1 |
165.1 |
165.1 |
6 |
50.8 |
- |
292.1 |
12 |
28.6 |
1 |
171.5 |
171.5 |
8 |
57.2 |
- |
349.2 |
12 |
31.8 |
1⅛ |
196.9 |
196.9 |
10 |
65 |
- |
431.8 |
16 |
34.9 |
1¼ |
215.9 |
215.9 |
12 |
69.9 |
- |
489 |
20 |
34.9 |
1¼ |
222.3 |
222.3 |
14 |
73.2 |
- |
527.1 |
20 |
38.1 |
1⅜ |
235 |
235 |
16 |
77.7 |
- |
603.2 |
20 |
41.3 |
1½ |
254 |
254 |
18 |
79.2 |
- |
654.1 |
20 |
44.5 |
1⅝ |
273.1 |
273.1 |
20 |
82.6 |
- |
723.9 |
24 |
44.5 |
1⅝ |
285.8 |
292.1 |
24 |
91.9 |
- |
838.2 |
24 |
50.8 |
1⅞ |
330.2 |
336.6 |
压力 |
公称通径 |
螺纹长度 |
承插深度 |
螺栓孔 |
Bolting |
中心圆直径 |
孔数 |
孔径 |
Diam of Bolt |
螺栓长度 |
RF面 |
RJ面 |
Q |
Y |
K |
Z |
L |
inch |
H1 |
H2 |
900LB |
1/2 |
22.4 |
9.7 |
82.6 |
4 |
22.2 |
3/4 |
108 |
108 |
3/4 |
25.4 |
11.2 |
88.9 |
4 |
22.2 |
3/4 |
114.3 |
114.3 |
1 |
28.4 |
12.7 |
101.6 |
4 |
25.4 |
7/8 |
127 |
127 |
1¼ |
30.2 |
14.2 |
111.2 |
4 |
25.4 |
7/8 |
127 |
127 |
1½ |
31.8 |
15.7 |
124 |
4 |
28.6 |
1 |
139.7 |
139.7 |
2 |
38.1 |
17.5 |
165.1 |
8 |
25.4 |
7/8 |
146.1 |
146.1 |
2½ |
47.8 |
19.1 |
190.5 |
8 |
28.6 |
1 |
158.8 |
158.8 |
3 |
41.1 |
- |
190.5 |
8 |
25.4 |
7/8 |
146.1 |
146.1 |
4 |
47.8 |
- |
235 |
8 |
31.8 |
1⅛ |
171.5 |
171.5 |
5 |
53.8 |
- |
279.4 |
8 |
34.9 |
1¼ |
190.5 |
190.5 |
6 |
57.2 |
- |
317.5 |
12 |
31.8 |
1⅛ |
190.5 |
190.5 |
8 |
63.5 |
- |
393.7 |
12 |
38.1 |
1⅜ |
222.3 |
222.3 |
10 |
71.4 |
- |
469.9 |
16 |
38.1 |
1⅜ |
235 |
235 |
12 |
76.2 |
- |
533.4 |
20 |
38.1 |
1⅜ |
254 |
254 |
14 |
82.6 |
- |
558.8 |
20 |
41.3 |
1½ |
273.1 |
279.4 |
16 |
85.9 |
- |
616 |
20 |
44.5 |
1⅝ |
285.8 |
292.1 |
18 |
88.9 |
- |
685.8 |
20 |
50.8 |
1⅞ |
323.9 |
336.6 |
20 |
91.9 |
- |
749.3 |
20 |
54 |
2 |
349.3 |
362 |
24 |
101.6 |
- |
901.7 |
20 |
66.7 |
2½ |
438.2 |
457.2 |
压力 |
公称通径 |
螺纹长度 |
承插深度 |
螺栓孔 |
Bolting |
中心圆直径 |
孔数 |
孔径 |
Diam of Bolt |
螺栓长度 |
RF面 |
RJ面 |
Q |
Y |
K |
Z |
L |
inch |
H1 |
H2 |
1500LB |
1/2 |
22.4 |
9.7 |
82.6 |
4 |
22.2 |
3/4 |
108 |
108 |
3/4 |
25.4 |
11.2 |
88.9 |
4 |
22.2 |
3/4 |
114.3 |
114.3 |
1 |
28.4 |
12.7 |
101.6 |
4 |
25.4 |
7/8 |
127 |
127 |
1¼ |
30.2 |
14.2 |
111.3 |
4 |
25.4 |
7/8 |
127 |
127 |
1½ |
31.8 |
15.7 |
124 |
4 |
28.6 |
1 |
139.7 |
139.7 |
2 |
38.1 |
17.5 |
165.1 |
8 |
25.4 |
7/8 |
146.1 |
146.1 |
2½ |
47.8 |
19.1 |
190.5 |
8 |
28.6 |
1 |
158.8 |
158.8 |
3 |
- |
- |
203.2 |
8 |
31.8 |
1⅛ |
177.8 |
177.8 |
4 |
- |
- |
241.3 |
8 |
34.9 |
1¼ |
196.9 |
196.9 |
5 |
- |
- |
292.1 |
8 |
41.3 |
1½ |
247.7 |
247.7 |
6 |
- |
- |
317.5 |
12 |
38.1 |
1⅜ |
260.4 |
266.7 |
8 |
- |
- |
393.7 |
12 |
44.5 |
1⅝ |
292.1 |
323.9 |
10 |
- |
- |
482.6 |
12 |
50.8 |
1⅞ |
336.6 |
342.9 |
12 |
- |
- |
571.5 |
16 |
54 |
2 |
374.7 |
387.4 |
14 |
- |
- |
635 |
16 |
60.3 |
2¼ |
406.4 |
425.5 |
16 |
- |
- |
704.9 |
16 |
66.7 |
2½ |
444.5 |
469.9 |
18 |
- |
- |
774.7 |
16 |
73 |
2¾ |
495.3 |
527.1 |
20 |
- |
- |
831.9 |
16 |
79.4 |
3 |
539.8 |
565.2 |
24 |
- |
- |
990.6 |
16 |
92 |
3½ |
616 |
647.7 |
压力 |
公称通径 |
螺纹长度 |
螺栓孔 |
Bolting |
中心圆直径 |
孔数 |
孔径 |
Diam of Bolt |
螺栓长度 |
RF面 |
RJ面 |
Q |
K |
Z |
L |
inch |
H1 |
H2 |
2500LB |
1/2 |
28.4 |
88.9 |
4 |
22.2 |
3/4 |
120.7 |
120.7 |
3/4 |
31.8 |
95.2 |
4 |
22.2 |
3/4 |
127 |
127 |
1 |
35.1 |
108 |
4 |
25.4 |
7/8 |
139.7 |
139.7 |
1¼ |
38.1 |
130 |
4 |
28.6 |
1 |
152.4 |
152.4 |
1½ |
44.5 |
146.1 |
4 |
31.8 |
1⅛ |
171.5 |
171.5 |
2 |
- |
171.5 |
8 |
28.6 |
1 |
177.8 |
177.8 |
2½ |
- |
196.9 |
8 |
31.8 |
1⅛ |
196.9 |
203.2 |
3 |
- |
228.6 |
8 |
34.9 |
1¼ |
222.3 |
228.6 |
4 |
- |
273.1 |
8 |
41.3 |
1½ |
254 |
260.4 |
5 |
- |
323.9 |
8 |
47.6 |
1¾ |
298.5 |
311.2 |
6 |
- |
368.3 |
8 |
54 |
2 |
342.9 |
355.6 |
8 |
- |
438.2 |
12 |
54 |
2 |
381 |
393.7 |
10 |
- |
539.7 |
12 |
66.7 |
2½ |
489 |
508 |
12 |
- |
619.2 |
12 |
73 |
2¾ |
539.8 |
558.8 |
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