Dimensions 6BX Integral Flanges -API 6A- 2000 to 20000 PSI Working Pressure

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings

Maximum
Working
Pressure
2000
PSI
3000
PSI
5000
PSI
10000
PSI
15000
PSI
20000
PSI
Test Pressure 3000 PSI 4500 PSI 7500 PSI 15000 PSI 22500 PSI 30000 PSI
Product
Specification
Levels
1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4
API
Temperature
Rating
K (-60 Deg C)
to
Y(+345 Deg C)
K (-60 Deg C)
to
Y(+345 Deg C)
K (-60 Deg C)
to
Y(+345 Deg C)
K (-60 Deg C)
to
Y(+345 Deg C)
K (-60 Deg C)
to
Y(+345 Deg C)
K (-60 Deg C)
to
Y(+345 Deg C)

Integral, Blind, Target Blind & Test Flanges

Min. Yield 60000 PSI 60000 PSI 60000 PSI 60000 PSI 75000 PSI 75000 PSI
Min. Tensile 85000 PSI 85000 PSI 85000 PSI 85000 PSI 95000 PSI 95000 PSI
Material API 60K API 60K API 60K API 60K API 75K API 75K

Weld Neck Flanges

Min. Yield 45000 PSI 45000 PSI 45000 PSI 60000 PSI 75000 PSI 75000 PSI
Min. Tensile 70000 PSI 70000 PSI 70000 PSI 85000 PSI 95000 PSI 95000 PSI
Material API 45K API 45K API 45K API 60K API 75K API 75K
Type 6BX Integral Flanges for 2000 to 20000 PSI Rated Working Pressure

Nominal
Size
and
Bore
Maximum
Bore
Outside
Diameter
Tolerance Maximum
Chamfer
Diameter
Raised
Face
Total
Thickness
Large
Diameter
Hub
Small
Diameter
Hub
B D D C F T A E
2000 PSI
26.3/4 26.78 41 ±0.12 0.25 31.69 4.97 32.91 29.25
30 30.03 44.19 ±0.12 0.25 35.75 5.28 36.69 32.8
3000 PSI
26.3/4 26.78 43.38 ±0.12 0.25 32.75 6.34 34.25 30.56
30 30.03 46.68 ±0.12 0.25 36.31 6.58 38.19 34.3
5000 PSI
13.3/8 13.66 26.5 ±0.12 0.25 18 4.44 18.94 16.69
16.3/4 16.78 30.38 ±0.12 0.25 21.06 5.13 21.88 20.75
18.3/4 18.78 35.62 ±0.12 0.25 24.69 6.53 26.56 23.56
21.3/4 21.28 39 ±0.12 0.25 27.62 7.12 29.88 26.75
10000 PSI
1.13/16 1.84 7.38 ±0.06 0.12 4.12 1.66 3.5 2.56
2.1/16 2.09 7.88 ±0.06 0.12 4.38 1.73 3.94 2.94
2.9/16 2.59 9.12 ±0.06 0.12 5.19 2.02 4.75 3.62
3.1/16 3.09 10.62 ±0.06 0.12 6 2.3 5.59 4.34
4.1/16 4.09 12.44 ±0.06 0.12 7.28 2.77 7.19 5.75
5.1/8 5.16 14.06 ±0.06 0.12 8.69 3.12 8.81 7.19
7.1/16 7.09 18.88 ±0.12 0.25 11.88 4.06 11.88 10
9 9.03 21.75 ±0.12 0.25 14.12 4.88 14.75 12.88
11 11.03 25.75 ±0.12 0.25 16.88 5.56 17.75 15.75
13.5/8 13.66 30.25 ±0.12 0.25 20.38 6.62 21.75 19.5
16.3/4 16.78 34.31 ±0.12 0.25 22.69 6.62 25.81 23.69
18.3/4 18.78 40.94 ±0.12 0.25 27.44 8.78 29.62 26.56
21.1/4 21.28 45 ±0.12 0.25 30.75 9.5 33.38 30
15000 PSI
1.13/16 1.84 8.19 ±0.06 0.12 4.19 1.78 3.84 2.81
2.1/16 2.09 8.75 ±0.06 0.12 4.5 2 4.38 3.25
2.9/16 2.59 10 ±0.06 0.12 5.25 2.25 5.06 3.94
3.1/16 3.09 11.31 ±0.06 0.12 6.06 2.53 6.06 4.81
4.1/16 4.09 14.19 ±0.06 0.12 7.62 3.09 7.69 6.25
5.1/8 5.16 16.5 ±0.06 0.12 8.88 3.88 9.62 7.88
7.1/16 7.09 19.88 ±0.12 0.25 12 4.6 12.81 10.88
9 9.03 25.5 ±0.12 0.25 15 5.75 17 13.75
11 11.03 32 ±0.12 0.25 17.88 7.38 23 16.81
13.5/8 13.66 34.88 ±0.12 0.25 21.31 8.06 23.44 20.81
18.3/4 18.78 45.75 ±0.12 0.25 28.44 10.06 32 28.75
20000 PSI
1.13/16 1.84 10.12 ±0.06 0.12 4.62 2.5 5.25 4.31
2.1/16 2.09 11.31 ±0.06 0.12 5.19 2.81 6.06 5
2.9/16 2.59 12.81 ±0.06 0.12 5.94 3.12 6.81 5.69
3.1/16 3.09 14.06 ±0.06 0.12 6.75 3.38 7.56 6.31
4.1/16 4.09 17.56 ±0.06 0.12 8.62 4.19 9.56 8.12
7.1/16 7.09 25.81 ±0.12 0.25 13.88 6.5 15.19 13.31
9 9.03 31.69 ±0.12 0.25 17.38 8.06 18.94 16.88
11 11.03 34.75 ±0.12 0.25 19.88 8.81 22.31 20
13.5/8 13.66 45.75 ±0.12 0.25 24.19 11.5 27.31 24.75
Type 6BX Integral Flanges for 2000 to 20000 PSI Rated Working Pressure
Length
Hub
Radius
Hub
Diameter
Bolt
Circle
Number
of
Bolts
Diameter
Bolts
Diameter
Bolt
Holes
Bolt
Hole
Tolerance
Length
Bolts
Ring
Number
(R or RX)
L R P
2000 PSI
7.31 0.62 37.5 20 1.3/4 1.88 +0.09 13.75 167
7.75 0.62 40.94 32 1.5/8 1.75 +0.09 14.25 303
3000 PSI
7.31 0.62 39.38 24 2 2.12 +0.09 17 168
7.75 0.62 42.94 32 1.7/8 2 +0.09 17.75 303
5000 PSI
4.5 0.62 23.25 16 1.5/8 1.75 +0.09 12.5 160
3 0.75 26.62 16 1.7/8 2 +0.09 14.5 162
6 0.62 31.62 20 2 2.12 +0.09 17.5 163
6.5 0.69 34.88 24 2 2.12 +0.09 18.75 165
10000 PSI
1.91 0.38 5.75 8 3/4 0.88 +0.06 5 151
2.03 0.38 6.25 8 3/4 0.88 +0.06 5.2 152
2.25 0.38 7.25 8 7/8 1 +0.06 6 153
2.5 0.38 8.5 8 1 1.12 +0.06 6.75 154
2.88 0.38 10.19 8 1.1/8 1.25 +0.06 8 155
3.19 0.38 11.81 12 1.1/8 1.25 +0.06 8.75 169
3.75 0.62 15.88 12 1.1/2 1.62 +0.09 11.25 156
3.69 0.62 18.75 16 1.1/2 1.62 +0.09 13 157
4.06 0.62 22.25 16 1.3/4 1.88 +0.09 15 158
4.5 0.62 26.5 20 1.7/8 2 +0.09 17.25 159
3 0.75 30.56 24 1.7/8 2 +0.09 17.5 162
6.12 0.62 36.44 24 2.1/4 2.38 +0.09 22.5 164
6.5 0.81 40.25 24 2.1/2 2.62 +0.09 24.5 166
15000 PSI
1.88 0.38 6.31 8 7/8 1 +0.06 5.5 151
2.12 0.38 6.88 8 7/8 1 +0.06 6 152
2.25 0.38 7.88 8 1 1.12 +0.06 6.75 153
2.5 0.38 9.06 8 1.1/8 1.25 +0.06 7.5 154
2.88 0.38 11.44 8 1.3/8 1.5 +0.06 9.25 155
3.22 0.62 13.5 12 1.1/2 1.62 +0.09 11.5 169
2.62 0.62 16.88 16 1.1/2 1.62 +0.09 12.75 156
4.88 0.62 21.75 16 1.7/8 2 +0.09 15.75 157
9.28 0.62 28 20 2 2.12 +0.09 19.25 158
4.5 1 30.38 20 2.1/4 2.38 +0.09 21.25 159
6.12 1 40 20 3 3.12 +0.12 26.75 164
20000 PSI
1.94 0.38 8 8 1 1.12 +0.06 7.5 151
2.06 0.38 9.06 8 1.1/8 1.25 +0.06 8.25 152
2.31 0.38 10.31 8 1.1/4 1.38 +0.06 9.25 153
2.5 0.38 11.31 8 1.3/8 1.5 +0.06 10 154
2.88 0.38 14.06 8 1.3/4 1.88 +0.09 12.25 155
3.81 0.62 21.81 16 2 2.12 +0.09 17.5 156
4.25 1 27 16 2.1/2 2.62 +0.09 22.38 157
4.06 1 29.5 16 2.3/4 2.88 +0.09 23.75 158
5.25 1 40 20 3 3.12 +0.12 30 159
Type 6BX Integral Flanges for 2000 to 20000 PSI Rated Working Pressure

Note: All dimensions are in inches