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What is API Flanges? By yaang.com

by yane Yang Sales Manager

API 6A Flange Manufacturer antong supplies API 6A Flange according to API 6A, API flange in forged steel, Stainless Steel, Carbon steel etc. include type of blind, target, threaded, adapter and weld neck flanges,conform to API 6A specifications.What-is-API-Flanges-By-yaang-com‚Äč

Type 6B flanges: Type 6B flanges are of the ring joint type and are not designed for face-to-face make-up. The connection make-up bolting force reacts on the metallic ring gasket. Type 6B flanges are of through bolted or studded design. Dimensions for 6B flanges blind type shall conform to Table 36, Table 37 & Table 38 with reference to figure no. 8 on pg. no. 108 of API 6A (19 th Edition, July 2004) as applicable.

Type 6BX flanges: Type 6BX flanges are of the ring joint type and designed with a raised face. Depending on the tolerances, the connection make-up bolting force may react on the raised face of the flange when the gasket has been properly seated. This support prevents damage to the flange or gasket from excessive bolt torque. Therefore, one of the flanges in 6 BX connection shall have a raised face. Type 6BX flanges are of through bolted or studded design. Face-to-face contact is not necessary for the proper functioning of the 6BX flange. Dimensions for 6BX flanges blind type shall conform to Table 46 of API 6A (19 th Edition, July 2004) as applicable.

Specification of API Flange, API 6A Flange


Flange SizeWorking Pressure (PSI)Outside DiameterNumber of Bolt HolesDiameter of Bolt HolesLength of BoltsAPI 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"

About yane Yang Senior     Sales Manager

144 connections, 0 recommendations, 658 honor points.
Joined APSense since, June 7th, 2014, From wenzhou, China.

Created on Dec 31st 1969 19:00. Viewed 0 times.

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