今天,Api 6a法兰规范标准通常用于地面钻井和生产。这些Api螺纹法兰有很长的历史。在过去,这些的用法Api 10000 Psi法兰要么已经停产,要么已经淘汰,许多已经被更新的、现代的配置所取代。
最初,所有与管道相关的Api配套法兰都成为螺纹、焊颈和盲孔配置的标准。随着带有整体法兰的设备进入油田等行业,为了保持管道和管道之间的功能互换性,标准化变得非常必要Api法兰尺寸焊接颈.
从20世纪30年代末开始,美国石油学会也就是API采用了当时的ASA B16.5法兰。为Api焊接颈法兰适用于压力等级为720psi和960psi的场合,API规定对ASA B16.5标准没有改变,分别使用300磅和400磅法兰。但API 6 b积分法兰压力等级申请2000年,3000年和5000 psi, API指定需求增加的材料屈服强度的API 6 b螺纹法兰的各自ASA B16.5法兰600磅,900磅和1500磅。
主要区别点之间的原ASA法兰和Api适配器法兰是将ASA术语“lb.”改为API术语“SERIES”的方法。例如,ASA 4”900磅法兰的工作压力为2160 psi,而API 4”SERIES 900法兰的工作压力为3000 psi。两种法兰尺寸相同,只是名称不同,材料强度不同,工作压力不同。
API发布的第一个规范为6B,后来被纳入API 6A。原来的法兰指定并保持代号6B。所有被接受用于井口的API法兰都有一个Api环形接头法兰.通常,大多数API法兰可能具有全端面或凸面几何形状,两种类型都有指定的环槽。大多数井口制造商的6B法兰都是全端面的。
今天,Api 6a法兰材料规定了标准的使用温度Api板法兰范围在-75°F至250°F之间。目前,API Spec 6A法兰被API归类为API 6B仪器法兰。这是因为它们很容易识别,因为它们有接受R或RX环垫圈的环槽,这两种垫圈的尺寸与ANSI B16.5法兰相同。
Api系列B法兰,即- 6BX和6B(焊接颈法兰、盲口法兰、目标法兰和测试法兰)均完全符合Api 6A。Api法兰材料由现代合金组成。因此,Api 5l B级法兰采用先进的制造技术生产钢材。众所周知,API 6B碳钢间隔法兰具有良好的性能和较高的成本。
由于API 6A TYPE 6B是环形接头类型,它们不是为面对面连接设计的。如果垫圈被正确地固定,连接连接螺栓力可能反应在6BX焊接颈法兰的凸起面上,这取决于公差。这个支架防止损坏Api盲板法兰或由于螺栓扭矩过大而造成的垫圈。
歧管解决方案公司.是公认的领军人物之一印度Api 6a法兰制造商。
法兰尺寸 |
工作压力(PSI) |
外径 |
螺栓孔数 |
螺栓孔直径 |
螺栓的长度 |
API垫环 |
---|---|---|---|---|---|---|
1-13/16” |
10,000 |
7-3/8” |
8 |
3/4" |
5-1/4” |
bx - 151 |
1-13/16” |
15,000 |
8-3/16” |
8 |
7/8” |
6” |
bx - 151 |
1-13/16” |
20,000 |
10-1/8” |
8 |
1" |
7-3/4” |
bx - 151 |
2-1/16” |
2,000 |
六个半” |
8 |
5/8” |
5/8” |
R-23 |
2-1/16” |
3000/5000 |
份81/2” |
8 |
7/8” |
7/8” |
R-24 |
2-1/16” |
10,000 |
7-7/8” |
8 |
3/4" |
3/4" |
bx - 152 |
2-1/16” |
15,000 |
8-3/4” |
8 |
7/8” |
7/8” |
bx - 152 |
2-1/16” |
20,000 |
11-5/16” |
8 |
1-1/8” |
1-1/8” |
bx - 152 |
2-9/16” |
2,000 |
7” |
8 |
3/4" |
5-1/4” |
R-26 |
2-9/16” |
3000/5000 |
9-5/8” |
8 |
1" |
7" |
种变种 |
2-9/16” |
10,000 |
9-1/8” |
8 |
7/8” |
6-1/4” |
bx - 153 |
2-9/16” |
15,000 |
10" |
8 |
1" |
7" |
bx - 153 |
2-9/16” |
20,000 |
12-13/16” |
8 |
1 1/4” |
九个半” |
bx - 153 |
3-1/8” |
2,000 |
81/4” |
8 |
3/4" |
半” |
R-31 |
3-1/8” |
3,000 |
九个半” |
8 |
7/8” |
6-1/4” |
R-31 |
3-1/8” |
5,000 |
10 1/2” |
8 |
1-1/8” |
7-3/4” |
R-35 |
3-1/16” |
10,000 |
10-5/8” |
8 |
1" |
7-1/4” |
bx - 154 |
3-1/16” |
15,000 |
11-5/16” |
8 |
1-1/8” |
8” |
bx - 154 |
3-1/16” |
20,000 |
14-1/16” |
8 |
1-3/8” |
10-3/4” |
bx - 154 |
4-1/16” |
2,000 |
10-3/4” |
8 |
7/8” |
6-1/4” |
R-37 |
4-1/16” |
3,000 |
已经降至11” |
8 |
1-1/8” |
7” |
R-37 |
4-1/16” |
5,000 |
12-1/4” |
8 |
1-1/8” |
8-3/8” |
bx - 155 |
4-1/16” |
20,000 |
17-9/16” |
8 |
1-3/4” |
12-3/4” |
bx - 155 |
5-1/8” |
5,000 |
14-3/4” |
8 |
1 - 1/2” |
10-3/4” |
R-44 |
7-1/16” |
2,000 |
14” |
12 |
1" |
7” |
R-45 |
7-1/16” |
3,000 |
15” |
12 |
1-1/8” |
份81/2” |
R-45 |
7-1/16” |
5,000 |
15-1/2” |
12 |
1-3/8” |
11-1/4” |
R-46 |
7-1/16” |
10,000 |
18-7/8” |
12 |
1 - 1/2” |
11-3/4” |
bx - 156 |
7-1/16” |
15,000 |
19-7/8” |
16 |
1 - 1/2” |
13” |
bx - 156 |
7-1/16” |
20,000 |
24-13/16” |
16 |
2" |
17-3/4” |
bx - 156 |
9" |
2,000 |
16-1/2” |
12 |
1-1/8” |
份81/2” |
R-49 |
9" |
3,000 |
18-1/2” |
12 |
1-3/8” |
九个半” |
R-49 |
9" |
5000” |
19” |
12 |
1-5/8” |
12-1/2” |
R-50 |
9" |
10,000 |
21-3/4” |
16 |
1 - 1/2” |
13-1/4” |
bx - 157 |
9" |
15,000 |
25-1/2” |
16 |
1-7/8” |
16" |
bx - 157 |
11" |
2,000 |
20” |
16 |
1 1/4” |
9-1/4” |
R-53 |
11" |
3,000 |
21-1/2” |
16 |
1-3/8” |
10" |
R-53 |
11" |
5,000 |
23日” |
12 |
1-7/8” |
14-1/4” |
R-54 |
11" |
10,000 |
25-3/4” |
16 |
1-3/4” |
15-3/8” |
bx - 158 |
11" |
15,000 |
32" |
20. |
2" |
19-1/2” |
bx - 158 |
13-5/8” |
2,000 |
22” |
20. |
1 1/4” |
九个半” |
R-57 |
13-5/8” |
3,000 |
24" |
20. |
1-3/8” |
10-3/4” |
R-57 |
13-5/8” |
5,000 |
所创26“半 |
16 |
1-5/8” |
12-3/4” |
bx - 160 |
13-5/8” |
10,000 |
30-1/4” |
20. |
1-7/8” |
17-3/4” |
bx - 159 |
13-5/8” |
15,000 |
34-7/8” |
20. |
2” |
21” |
bx - 159 |
16-3/4” |
2,000 |
27日” |
20. |
1 - 1/2” |
10-3/4” |
r - 65 |
16-3/4” |
3,000 |
27-3/4” |
20. |
1-5/8” |
12-1/4” |
r - 66 |
16-3/4” |
5,000 |
30-3/8” |
16 |
1 - 78” |
14-3/4” |
bx - 162 |
16-3/4” |
10,000 |
34-5/16” |
24 |
1-7/8” |
17-3/4” |
bx - 162 |
18-3/4” |
5,000 |
35-5/8” |
20. |
2" |
18” |
bx - 163 |
16-3/4” |
10,000 |
40-15/16” |
24 |
2” |
23日” |
bx - 164 |
20-3/4” |
3,000 |
33-3/4” |
20. |
2" |
15-1/4” |
r - 74 |
21-1/4” |
2,000 |
32" |
24 |
1-5/8” |
12-1/2” |
r - 73 |
21-1/4” |
5,000 |
39” |
24 |
2" |
19” |
bx - 165 |
21-1/4” |
10,000 |
45” |
24 |
2 - 1/2 " |
24-3/4” |
bx - 166 |
26-3/4” |
2,000 |
41” |
20. |
1-3/4” |
14-1/4” |
bx - 167 |
21-1/4” |
3,000 |
43-3/8” |
24 |
2" |
17-1/2” |
bx - 168 |
大小
|
B
|
OD
|
C
|
E1
|
问
|
G
|
K
|
T
|
j - 1
|
J2
|
J3
|
阁下
|
R
|
公元前
|
N
|
H
|
环数
|
1 13/16“ |
46.8 |
210 |
3. |
- |
5.56 |
77.77 |
106 |
45.3 |
97.6 |
71.4 |
47.6 |
- |
10 |
160.3 |
8 |
26 |
151 |
2 1/16” |
53.2 |
220 |
3. |
- |
5.95 |
86.23 |
114 |
50.8 |
111.1 |
82.5 |
54 |
- |
10 |
174.6 |
8 |
26 |
152 |
2 9/16” |
65.9 |
255 |
3. |
- |
6.75 |
102.77 |
133 |
57.2 |
128.6 |
One hundred. |
57.1 |
- |
10 |
200 |
8 |
29 |
153 |
3 1/16” |
78.6 |
290 |
3. |
- |
7.54 |
119 |
154 |
64.3 |
154 |
122.2 |
63.5 |
- |
10 |
230.2 |
8 |
32 |
154 |
4 1/16“ |
104 |
360 |
3. |
- |
8.33 |
150.62 |
194 |
78.6 |
195.3 |
158.7 |
73 |
- |
10 |
290.5 |
8 |
39 |
155 |
5 1/8” |
131 |
420 |
3. |
9.5 |
9.53 |
176.66 |
225 |
98.5 |
244.5 |
200 |
81.8 |
6.4 |
16 |
342.9 |
12 |
42 |
169 |
7 1/16” |
180.2 |
505 |
6 |
11.1 |
11.11 |
241.83 |
305 |
119.1 |
325.4 |
276.2 |
92.1 |
7.9 |
16 |
428.6 |
16 |
42 |
156 |
9” |
229.4 |
650 |
6 |
12.7 |
12.7 |
299.06 |
381 |
146.1 |
431.8 |
349.2 |
123.8 |
14.2 |
16 |
552.4 |
16 |
51 |
157 |
11" |
280.2 |
815 |
6 |
14.3 |
14.29 |
357.23 |
454 |
187.4 |
584.2 |
427 |
235.7 |
12.7 |
16 |
711.2 |
20. |
54 |
158 |
13个5/8” |
346.9 |
885 |
6 |
15.9 |
15.88 |
432.64 |
541 |
204.8 |
595.3 |
528.6 |
114.3 |
17.5 |
25 |
771.5 |
20. |
61 |
159 |
18个3/4” |
477 |
1160 |
6 |
18.3 |
18.26 |
577.9 |
722 |
255.6 |
812.8 |
730.2 |
155.6 |
35.1 |
25 |
1016 |
20. |
80 |
164 |
1.环号bx, 2。C应该是最大值3。公差和环形垫圈符合API 6a -20
大小
|
B
|
OD
|
C
|
K
|
P
|
E
|
T
|
问
|
X
|
公元前
|
N
|
H
|
LN
|
霍奇金淋巴瘤
|
莱托
|
R / RX
|
2 1/16” |
53.2 |
165 |
3. |
108 |
82.55 |
7.9 |
33.4 |
25.4 |
84 |
127 |
8 |
20. |
81 |
60.3 |
53.3 |
23 |
2 9/16” |
65.9 |
190 |
3. |
127 |
101.6 |
7.9 |
36.6 |
28.6 |
One hundred. |
149.2 |
8 |
23 |
88 |
73 |
63.5 |
26 |
3 1/8” |
81.8 |
210 |
3. |
146 |
123.83 |
7.9 |
39.7 |
31.8 |
117 |
168.3 |
8 |
23 |
91 |
88.9 |
78.7 |
31 |
4 1/16“ |
108.7 |
275 |
3. |
175 |
149.23 |
7.9 |
46.1 |
38.1 |
152 |
215.9 |
8 |
26 |
110 |
114.3 |
103.1 |
37 |
5 1/8” |
131 |
330 |
3. |
210 |
180.98 |
7.9 |
52.4 |
44.5 |
189 |
266.7 |
8 |
29 |
122 |
141.3 |
122.9 |
41 |
7 1/16” |
181.8 |
355 |
6 |
241 |
211.15 |
7.9 |
55.6 |
47.6 |
222 |
292.1 |
12 |
29 |
126 |
168.3 |
147.1 |
45 |
9" |
229.4 |
420 |
6 |
302 |
269.88 |
7.9 |
63.5 |
55.6 |
273 |
349.3 |
12 |
32 |
141 |
219.1 |
199.1 |
49 |
11" |
280.2 |
510 |
6 |
356 |
323.85 |
7.9 |
71.5 |
63.5 |
343 |
431.8 |
16 |
35 |
160 |
273 |
248.4 |
53 |
13个5/8” |
346.9 |
560 |
6 |
413 |
381 |
7.9 |
74.7 |
66.7 |
400 |
489 |
20. |
35 |
- |
- |
- |
57 |
16个3/4” |
426.2 |
685 |
6 |
508 |
469.9 |
7.9 |
84.2 |
76.2 |
495 |
603.2 |
20. |
42 |
- |
- |
- |
65 |
21 1/4” |
540.5 |
815 |
6 |
635 |
584.2 |
9.7 |
98.5 |
88.9 |
610 |
723.9 |
24 |
45 |
- |
- |
- |
73 |
1.环号R或RX, 2。C应该是最大值3。公差和环形垫圈符合API 6a -20
大小
|
OD
|
C
|
E1
|
G
|
K
|
T
|
j - 1
|
阁下
|
R
|
公元前
|
N
|
H
|
BX
|
26个3/4” |
1040 |
6 |
21.4 |
768.33 |
805 |
126.3 |
835.8 |
9.7 |
16 |
952.5 |
20. |
48 |
167 |
30” |
1120 |
6 |
23 |
862.3 |
908 |
134.2 |
931.9 |
17.5 |
16 |
1039.8 |
32 |
45 |
303 |
大小
|
B
|
OD
|
C
|
K
|
P
|
E
|
T
|
问
|
X
|
公元前
|
N
|
H
|
LN
|
霍奇金淋巴瘤
|
莱托
|
R / RX
|
2 1/16” |
53.2 |
215 |
3. |
124 |
95.25 |
7.9 |
46.1 |
38.1 |
104.8 |
165.1 |
8 |
26 |
109.6 |
60.3 |
50 |
24 |
2 9/16” |
65.9 |
245 |
3. |
137 |
107.95 |
7.9 |
49.3 |
41.3 |
123.8 |
190.5 |
8 |
29 |
112.7 |
73 |
59.7 |
27 |
3 1/8” |
81.8 |
240 |
3. |
156 |
123.83 |
7.9 |
46.1 |
38.1 |
127 |
190.5 |
8 |
26 |
109.5 |
88.9 |
74.4 |
31 |
4 1/16“ |
108.7 |
290 |
3. |
181 |
149.23 |
7.9 |
52.4 |
44.4 |
158.8 |
235 |
8 |
32 |
122.2 |
114.3 |
98 |
37 |
5 1/8” |
131 |
350 |
3. |
216 |
180.98 |
7.9 |
58.8 |
50.8 |
190.5 |
279.4 |
8 |
35 |
134.9 |
141.3 |
122.9 |
41 |
7 1/16” |
181.8 |
380 |
6 |
241 |
211.15 |
7.9 |
63.5 |
55.6 |
235 |
317.5 |
12 |
32 |
147.6 |
168.3 |
147.1 |
45 |
9" |
229.4 |
470 |
6 |
308 |
269.88 |
7.9 |
71.5 |
63.5 |
298.5 |
393.7 |
12 |
39 |
169.9 |
219.1 |
189.7 |
49 |
11" |
280.2 |
545 |
6 |
362 |
323.85 |
7.9 |
77.8 |
69.9 |
368.3 |
469.9 |
16 |
39 |
192.1 |
273 |
237.2 |
53 |
13个5/8” |
346.9 |
610 |
6 |
419 |
381 |
7.9 |
87.4 |
79.4 |
419.1 |
533.4 |
20. |
39 |
- |
- |
- |
57 |
16个3/4” |
426.2 |
705 |
6 |
524 |
469.9 |
11.2 |
100.1 |
88.9 |
508 |
616 |
20. |
45 |
- |
- |
- |
66 |
20个3/4” |
527.8 |
855 |
6 |
648 |
584.2 |
12.7 |
120.7 |
108 |
622.3 |
749.3 |
20. |
54 |
- |
- |
- |
74 |
1.环号R或RX, 2。C应该是最大值3。公差和环形垫圈符合API 6a -20
大小
|
B
|
OD
|
C
|
K
|
P
|
E
|
T
|
问
|
X
|
公元前
|
N
|
H
|
LN
|
霍奇金淋巴瘤
|
莱托
|
R / RX
|
2 1/16” |
53.2 |
215 |
3. |
124 |
95.25 |
7.9 |
46.1 |
38.1 |
104.8 |
165.1 |
8 |
26 |
109.5 |
60.3 |
43.7 |
24 |
2 9/16” |
65.9 |
245 |
3. |
137 |
107.95 |
7.9 |
49.3 |
41.3 |
123.8 |
190.5 |
8 |
29 |
112.7 |
73 |
54.9 |
27 |
3 1/8” |
81.8 |
265 |
3. |
168 |
136.53 |
7.9 |
55.6 |
47.7 |
133.3 |
203.2 |
8 |
32 |
125.4 |
88.9 |
67.5 |
35 |
4 1/16“ |
108.7 |
310 |
3. |
194 |
161.93 |
7.9 |
62 |
54 |
161.9 |
241.3 |
8 |
35 |
131.8 |
114.3 |
88.1 |
39 |
5 1/8” |
131 |
375 |
3. |
229 |
193.68 |
7.9 |
81 |
73.1 |
196.8 |
292.1 |
8 |
42 |
163.5 |
141.3 |
110.3 |
44 |
7 1/16” |
181.8 |
395 |
6 |
248 |
211.15 |
9.7 |
92.1 |
82.6 |
228.6 |
317.5 |
12 |
39 |
181 |
168.3 |
132.6 |
46 |
9" |
229.4 |
485 |
6 |
318 |
269.88 |
11.2 |
103.2 |
92.1 |
292.1 |
393.7 |
12 |
45 |
223.8 |
219.1 |
173.8 |
50 |
11" |
280.2 |
585 |
6 |
371 |
323.85 |
11.2 |
119.1 |
108 |
368.3 |
482.6 |
12 |
51 |
265.1 |
273.1 |
216.7 |
54 |
1.环号R或RX, 2。C应该是最大值3。公差和环形垫圈符合API 6a -20
大小
|
B
|
OD
|
C
|
E1
|
问
|
G
|
K
|
T
|
j - 1
|
J2
|
J3
|
阁下
|
R
|
公元前
|
N
|
H
|
BX
|
1 13/16“ |
46.8 |
185 |
3. |
- |
5.56 |
77.77 |
105 |
42.1 |
88.9 |
65.1 |
48.5 |
- |
10 |
146.1 |
8 |
23 |
151 |
2 1/16” |
53.2 |
200 |
3. |
- |
5.95 |
86.23 |
111 |
44.1 |
One hundred. |
74.7 |
51.6 |
- |
10 |
158.8 |
8 |
23 |
152 |
2 9/16” |
65.9 |
230 |
3. |
- |
6.75 |
102.77 |
132 |
51.2 |
120.7 |
92.1 |
57.2 |
- |
10 |
184.2 |
8 |
26 |
153 |
3 1/16” |
78.6 |
270 |
3. |
- |
7.54 |
119 |
152 |
58.4 |
142.1 |
110.2 |
63.5 |
- |
10 |
215.9 |
8 |
29 |
154 |
4 1/16“ |
104 |
315 |
3. |
- |
8.33 |
150.62 |
185 |
70.3 |
182.6 |
146.1 |
73.1 |
- |
10 |
258.8 |
8 |
32 |
155 |
5 1/8” |
131 |
360 |
3. |
9.5 |
9.53 |
176.66 |
221 |
79.4 |
223.8 |
182.6 |
81 |
6.4 |
10 |
300 |
12 |
32 |
169 |
7 1/16” |
180.2 |
480 |
6 |
11.1 |
11.11 |
241.83 |
302 |
103.2 |
301.6 |
254 |
95.3 |
9.7 |
16 |
403.2 |
12 |
42 |
156 |
9” |
229.4 |
550 |
6 |
12.7 |
12.7 |
299.06 |
359 |
123.9 |
374.7 |
327.1 |
93.7 |
9.7 |
16 |
476.3 |
16 |
42 |
157 |
11" |
280.2 |
655 |
6 |
14.3 |
14.29 |
357.23 |
429 |
141.3 |
450.9 |
400.1 |
103.2 |
14.2 |
16 |
565.2 |
16 |
48 |
158 |
13个5/8” |
346.9 |
770 |
6 |
15.9 |
15.88 |
432.64 |
518 |
168.3 |
552.5 |
495.3 |
114.3 |
17.5 |
16 |
673.1 |
20. |
51 |
159 |
16个3/4” |
426.2 |
870 |
6 |
8.3 |
8.33 |
478.33 |
576 |
168.3 |
655.6 |
601.7 |
76.2 |
30.2 |
19 |
776.3 |
24 |
51 |
162 |
18个3/4” |
477 |
1040 |
6 |
18.3 |
18.26 |
577.9 |
697 |
223.1 |
752.5 |
674.7 |
155.6 |
25.4 |
16 |
925.5 |
24 |
61 |
164 |
21 1/4” |
540.5 |
1145 |
6 |
19.1 |
19.05 |
647.88 |
781 |
241.3 |
847.7 |
762 |
165.1 |
31.8 |
21 |
1022.4 |
24 |
67 |
166 |
1.环号bx, 2。C应该是最大值3。公差和环形垫圈符合API 6a -20
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