Api 6a Flanges Manufacturer In India

Carries a complete line of Api Adapter Flanges, Api Blind Flanges, Api Series B Flanges As Per ASME/ANSI B16.47 in mumbai, India

Buy Api 6a Flanges, 6BX weld Neck Flange, Api 5l Grade B Flanges, Api Flanges Material, API 6A TYPE 6B at factory price in India

Today the specification standard Api 6a Flanges are commonly used in both, surface drilling as well as production. These Api Threaded Flanges have a long history. In the past, the use of these Api 10000 Psi Flanges have been either discontinued, or obsoleted and many have been replaced by newer, modern configurations.

Api 6a Flanges
Api 6a Flanges
Api Flanges
Api Flanges
Api 605 Flanges
Api 605 Flanges

Originally, all Api Companion Flanges that were related to pipe, became standard as threaded, weld neck and blind configurations. As equipment with integral flanges came to industries such as oilfield, standardization became necessary for the purpose of maintaining functional interchangeability between both the pipes and the Api Flanges Dimensions Weld Neck.

From the late 1930’s, the American Petroleum Institute also referred to as the API had adopted the then ASA B16.5 flanges. For  the Api Weld Neck Flanges applications involving pressure classes -  720 psi and 960 psi, the API specified no changes to the ASA B16.5 Standard, using the 300 lb. and 400 lb. flanges respectively. But for the API 6B Integral Flange applications for pressure classes 2000, 3000, and 5000 psi, the API specified an increase in the requirement in terms of the material yield strength  for the API 6B Threaded Flange to the respective ASA B16.5 flanges like the 600 lb, 900 lb and 1500 lb.

The main distinguishing point between the original ASA flanges and the Api Adapter Flanges is the method of changing the ASA term "lb." to the API term "SERIES". For instance, the ASA 4" 900 lb. flange has a working pressure of 2160 psi can be compared to API 4" SERIES 900 flanges, which has a working pressure 3000 psi. Dimensionally, both these flanges are the same with different names, material strength, and working pressure.

The first specification, issued by the API is for wellhead flanges as 6B, which was later incorporated into API 6A. The original flange specifies and retains the designation 6B. All API flanges accepted for wellhead use have a Api Ring Joint Flanges. Usually, most API flanges may have Full Face or Raised Face geometry, with either type having a specified ring groove. Most wellhead manufacturers make their 6B flanges full face.
Today, Api 6a Flange Material specifies standard service temperatures of the Api Plate Flanges ranges between   -75° F to 250° F. Currently, the  API Spec 6A flanges classed as API 6B Instrument Flange by the API . This is because they are easily identified by the fact that they have ring grooves that accept either the R or RX ring gaskets, both of which have identical dimensions with ANSI B16.5 flanges.

Both the Api Series B Flanges , i.e. - 6BX and 6B (welding neck flanges, blind flanges, target flanges and test flanges) are fully conformed to API 6A. The Api Flanges Material consists of modern alloy. Hence, the Api 5l Grade B Flanges are produced steel using advanced manufacturing techniques. The Carbon Steel API 6B Spacer Flange known to be robust in performance and have a high cost.

Since the API 6A TYPE 6B are of the ring joint type, they are not designed for face-to-face make-up. The connection make-up bolting force could react on the raised face of the 6BX Weld Neck Flange, depending on the tolerances, if the gasket has been properly seated. This support prevents damage to the Api Blind Flanges or gasket from excessive bolt torque.

Manifold Pipe Solution Inc. is recognized as one of the leading Api 6a Flanges Manufacturer In India.

 

Api Flanges Specifications

  •  Type: API Slip on flange, API Blind flange, API Welded neck flange, API Threaded flange, API Lapped joint flange (loose flange), API Socket welded flange, API Orifice Flanges, API Long welded neck flange
  •  Standard:API, API 6A, API 650, API 605
  •  Size: 1/2-60 inch
  •  Pressure:Class 150, 300, 600, 1500, 2500
  •  Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
  •  Surface Treatment: Anti-rust Oil, Black Anti-rust Paint, Zinc, and Hot Dipped Galvanized.

 

Api Flanges Pressure Ratings

Flange Size
Working Pressure (PSI)
Outside Diameter
Number of Bolt Holes
Diameter of Bolt Holes
Length of Bolts
API Ring Gasket
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
6-1/2"
8
5/8"
5/8"
R-23
2-1/16"
3,000/5,000
8-1/2"
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
7-1/2"
8
3/4"
5-1/4"
R-26
2-9/16"
3,000/5,000
9-5/8"
8
1"
7"
R-27
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"
9-1/2"
BX-153
3-1/8"
2,000
8-1/4"
8
3/4"
5-1/2"
R-31
3-1/8"
3,000
9-1/2"
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
11-1/2"
8
1-1/8"
7-1/2"
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"
7-1/2"
R-45
7-1/16"
3,000
15"
12
1-1/8"
8-1/2"
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"
8-1/2"
R-49
9"
3,000
18-1/2"
12
1-3/8"
9-1/2"
R-49
9"
5,000"
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"
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"
9-1/2"
R-57
13-5/8"
3,000
24"
20
1-3/8"
10-3/4"
R-57
13-5/8"
5,000
26-1/2"
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
2-1/4"
21"
BX-159
16-3/4"
2,000
27"
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
2-1/4"
23"
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

 

Material & Grades of API Flanges

  •  Carbon Steel : ASTM A 105 (high temperature carbon steel), ASTM A350 LF1 to LF3 (low temperature carbon steel), ASTM A694 Gr. F42 / F52 / F56 / F60 / F65 (high yield carbon steel flange to match API 5L linepipes)
  •  Alloy Steel : ASTM A182 Gr. F1 / F2 / F5 / F9 / F11 Cl. 2 / F12 Cl. 2 / F22 Cl. 3 / F91 (alloy steel flanges)
  •  Stainless Steel : ASTM A182 F 304/304L, 316/316L, 321, 347, 348 (stainless steel flanges), 904/904L
  •  Duplex Steel : ASTM A182 F51 (duplex flanges) / F53-F55 (superduplex)
  •  Nickel Alloys / Super Alloys : ASTM B166 UNS NO6600 (inconel 600) ASTM B564 UNS N06625 (Inconel 625), ASTM B425 UNS-NO8800 (Incoloy 800), ASTM B564 UNS N08825 (Incoloy 825), ASTM B160 UNS N0200 (Nickel 200), ASTM B564 UNS N04400 (Monel 400), ASTM B564 UNS N10276 (Hastelloy C-276)
  •  Titanium : ASTM B381 Gr. 2 (Titanium)
  •  AluminiumCopperPolypropylene, etc.

 

Dimensions of API Weld Neck Flange

API 6A Type 6BX 15000PSI Blind / API 6A Welding Neck Flange
API 6A Type 6BX 15000PSI Blind / API 6A Welding Neck Flange

Dimension of 15000PSI(103.5MPA) type 6BX Blind and API 6A Welding Neck Flange

Size
B
OD
C
E1
Q
G
K
T
J1
J2
J3
J4
R
BC
N
H
Ring Number
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
100
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 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 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. RING NUMBER BX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH

 

API 6A Type 6B 2000PSI Blind / Welding Neck Flange

API 6A Type 6B 2000PSI Blind / Welding Neck Flange

Dimension of 2000PSI (13.8MPA) type 6B Blind and Welding Neck API 6A Flange

Size
B
OD
C
K
P
E
T
Q
X
BC
N
H
LN
HL
JL
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
100
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 5/8"
346.9
560
6
413
381
7.9
74.7
66.7
400
489
20
35
-
-
-
57
16 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. RING NUMBER R or RX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH

 

API 6A Type 6BX 2000PSI Blind Flange

Dimension of 2000PSI (13.8MPA) type 6BX Blind API 6A Flange
API 6A Type 6BX 2000PSI Blind Flange
Size
OD
C
E1
G
K
T
J1
J4
R
BC
N
H
BX
26 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

 

API 6A Type 6B 3000PSI Blind / Welding Neck Flange

Dimension of 3000PSI (20.7MPA) Type 6B Blind and API 6A Welding Neck Flange
API 6A Type 6B 3000PSI Blind / Welding Neck Flange
Size
B
OD
C
K
P
E
T
Q
X
BC
N
H
LN
HL
JL
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 5/8"
346.9
610
6
419
381
7.9
87.4
79.4
419.1
533.4
20
39
-
-
-
57
16 3/4"
426.2
705
6
524
469.9
11.2
100.1
88.9
508
616
20
45
-
-
-
66
20 3/4"
527.8
855
6
648
584.2
12.7
120.7
108
622.3
749.3
20
54
-
-
-
74

1. RING NUMBER R or RX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH

 

API 6A Type 6B 5000PSI Blind / Welding Neck Flange

Dimension of 5000PSI (34.5MPA) type 6B Blind and API 6A Welding Neck Flange
API 6A Type 6B 5000PSI Blind / Welding Neck Flange
Size
B
OD
C
K
P
E
T
Q
X
BC
N
H
LN
HL
JL
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. RING NUMBER R or RX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH

 

API 6A Type 6BX 10000PSI Blind / Welding Neck Flange


Dimension of 10000PSI(69.0MPA) type 6BX Blind and API 6A Welding Neck Flange
API 6A Type 6BX 10000PSI Blind / Welding Neck Flange
Size
B
OD
C
E1
Q
G
K
T
J1
J2
J3
J4
R
BC
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
100
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 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 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 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. RING NUMBER BX, 2. C should be the max value 3. Tolerance and Ring Gasket according to API 6A-20TH

 

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Application of Api Flanges

  •  API Loose Flanges uses in Oil & Gas Industry
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View ansi b16 47 flange and Api Flanges Dimensions Weld Neck, Api 6a Flange Material Specification
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