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Socket Flange


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Details of the introduction
Socket flange (referred to as SW flange), bearing the basic shape inserted flange hubbed flange with the same, namely in the inner hole of the flange provided with a bearing hole, pipe is inserted into the bearing hole of internal welding, welding seam in the back surface of the flange ring, the socket flange and there is a gap between the Cao. Easy to produce corrosion, if a crack inside welding can avoid the corrosion. Both the inside and outside of the socket welding flange, the fatigue strength than the flange 5% and the static strength of the same. When the socket flange is used, the inner diameter of the socket is consistent with the inner diameter of the pipe. Socket flange is only suitable for pipeline with nominal diameter of 150 or less.


Class 150 lb
Pipe Flange Data Hub Raised Face Drilling Data Unit Weight
Nominal
Pipe Size
A B C D E K F G H I J
Outside
Diameter
Overall
Diameter
Inside
Diameter
Flange
Thickness
min
Overall
Length
Socket
Diameter
Depth
of Socket
Hub
Diameter
Face
Diameter
Number
of Holes
Bolt Hole
Diameter
Diameter
of Circle
of Holes
kg/
piece
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
1/2 0.840
21.30
3.500
88.90
0.620
15.70
0.440
11.20
0.620
15.70
0.880
22.40
0.380
9.600
1.190
30.20
1.380
35.10
4 0.620 15.70 2.380 60.45 0.42
3/4 1.050
26.70
3.880
98.60
0.820
20.80
0.500
12.70
0.620
15.70
1.090
27.70
0.440
11.10
1.500
38.10
1.690
42.90
4 0.620 15.70 2.750 69.85 0.59
1 1.315
33.40
4.250
108.0
1.050
26.70
0.560
14.20
0.690
17.50
1.360
34.50
0.500
12.70
1.940
49.30
2.000
50.80
4 0.620 15.70 3.120 79.25 0.81
1 1/4 1.660
42.20
4.620
117.3
1.380
35.10
0.620
15.70
0.810
20.60
1.700
43.20
0.560
14.20
2.310
58.70
2.500
63.50
4 0.620 15.70 3.500 88.90 1.07
1 1/2 1.900
48.30
5.000
127.0
1.610
40.90
0.690
17.50
0.880
22.30
1.950
49.50
0.620
15.70
2.560
65.00
2.880
73.15
4 0.620 15.70 3.880 98.60 1.36
2 2.375
60.30
6.000
152.4
2.070
52.60
0.750
19.10
1.000
25.40
2.440
62.00
0.690
17.50
3.060
77.70
3.620
91.90
4 0.750 19.10 4.750 120.7 2.1
2 1/2 2.875
73.00
7.000
177.8
2.470
62.70
0.880
22.40
1.120
28.40
2.940
74.70
0.750
19.00
3.560
90.40
4.120
104.6
4 0.750 19.10 5.500 139.7 3.33
3 3.500
88.90
7.500
190.5
3.070
78.00
0.940
23.90
1.190
30.20
3.570
90.70
0.810
20.60
4.250
108.0
5.000
127.0
4 0.750 19.10 6.000 152.4 3.9

Class 300 lb
Pipe Flange Data Hub Raised Face Drilling Data Unit Weight
Nominal
Pipe Size
A B C D E K F G H I J
Outside
Diameter
Overall
Diameter
Inside
Diameter
Flange
Thickness
min
Overall
Length
Socket
Diameter
Depth
of Socket
Hub
Diameter
Face
Diameter
Number
of Holes
Bolt Hole
Diameter
Diameter
of Circle
of Holes
kg/
piece
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
1/2 0.840
21.30
3.750
95.20
0.620
15.70
0.560
14.20
0.880
22.30
0.880
22.40
0.380
9.600
1.500
38.10
1.380
35.10
4 0.620 15.70 2.620 66.55 0.66
3/4 1.050
26.70
4.620
117.3
0.820
20.80
0.620
15.70
1.000
25.40
1.090
27.70
0.440
11.10
1.880
47.70
1.690
42.90
4 0.750 19.10 3.250 82.50 1.15
1 1.315
33.40
4.880
123.9
1.050
26.70
0.690
17.50
1.060
26.90
1.360
34.50
0.500
12.70
2.120
53.80
2.000
50.80
4 0.750 19.10 3.500 88.90 1.4
1 1/4 1.660
42.20
5.250
133.3
1.380
35.10
0.750
19.00
1.060
26.90
1.700
43.20
0.560
14.20
2.500
63.50
2.500
63.50
4 0.750 19.10 3.880 98.60 1.75
1 1/2 1.900
48.30
6.120
155.4
1.610
40.90
0.810
20.60
1.190
30.20
1.950
49.50
0.620
15.70
2.750
69.85
2.880
73.15
4 0.880 22.30 4.500 114.3 2.55
2 2.375
60.30
6.500
165.1
2.070
52.60
0.880
22.30
1.310
33.20
2.440
62.00
0.690
17.50
3.310
84.00
3.620
91.90
8 0.750 19.10 5.000 127.0 2.93
2 1/2 2.875
73.00
7.500
190.5
2.470
62.70
1.000
25.40
1.500
38.10
2.940
74.70
0.750
19.00
3.940
100.0
4.120
104.6
8 0.880 22.30 5.880 149.3 4.4
3 3.500
88.90
8.250
209.5
3.070
78.00
1.120
28.40
1.690
42.90
3.570
90.70
0.810
20.60
4.620
117.3
5.000
127.0
8 0.880 22.30 6.620 168.1 5.92


Notes
- Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness.


Class 600 lb
Pipe Flange Data Hub Raised Face Drilling Data Unit Weight
Nominal
Pipe Size
A B C D E K F G H I J
Outside
Diameter
Overall
Diameter
Inside
Diameter
Flange
Thickness
min
Overall
Length
Socket
Diameter
Depth
of Socket
Hub
Diameter
Face
Diameter
Number
of Holes
Bolt Hole
Diameter
Diameter
of Circle
of Holes
kg/
piece
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
1/2 0.840
21.30
3.750
95.20
To be

specified
by the

Purchaser

0.560
14.20
0.880
22.30
0.880
22.40
0.380
9.600
1.500
38.10
1.380
35.10
4 0.620 15.70 2.620 66.55 0.76
3/4 1.050
26.70
4.620
117.3
0.620
15.70
1.000
25.40
1.090
27.70
0.440
11.10
1.880
47.70
1.690
42.90
4 0.750 19.10 3.250 82.50 1.29
1 1.315
33.40
4.880
123.9
0.690
17.50
1.060
26.90
1.360
34.50
0.500
12.70
2.120
53.80
2.000
50.80
4 0.750 19.10 3.500 88.90 1.55
1 1/4 1.660
42.20
5.250
133.3
0.810
20.60
1.120
28.40
1.700
43.20
0.560
14.20
2.500
63.50
2.500
63.50
4 0.750 19.10 3.880 98.60 2.06
1 1/2 1.900
48.30
6.120
155.4
0.880
22.30
1.250
31.75
1.950
49.50
0.620
15.70
2.750
69.85
2.880
73.15
4 0.880 22.30 4.500 114.3 3
2 2.375
60.30
6.500
165.1
1.000
25.40
1.440
36.60
2.440
62.00
0.690
17.50
3.310
84.00
3.620
91.90
8 0.750 19.10 5.000 127.0 3.67
2 1/2 2.875
73.00
7.500
190.5
1.120
28.40
1.620
41.10
2.940
74.70
0.750
19.00
3.940
100.0
4.120
104.6
8 0.880 22.30 5.880 149.3 5.35
3 3.500
88.90
8.250
209.5
1.250
31.75
1.810
46.00
3.570
90.70
0.810
20.60
4.620
117.3
5.000
127.0
8 0.880 22.30 6.620 168.1 7.06

Class 1500 lb
Pipe Flange Data Hub Raised Face Drilling Data Unit Weight
Nominal
Pipe Size
A B C D E K F G H I J
Outside
Diameter
Overall
Diameter
Inside
Diameter
Flange
Thickness
min
Overall
Length
Socket
Diameter
Depth
of Socket
Hub
Diameter
Face
Diameter
Number
of Holes
Bolt Hole
Diameter
Diameter
of Circle
of Holes
kg/
piece
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
1/2 0.840
21.30
4.750
120.6
To be

specified
by the

Purchaser

0.880
22.30
1.250
31.70
0.880
22.40
0.380
9.600
1.500
38.10
1.380
35.10
4 0.880 22.30 3.250 82.50 1.8
3/4 1.050
26.70
5.120
130.0
1.000
25.40
1.380
35.00
1.090
27.70
0.440
11.10
1.750
44.40
1.690
42.90
4 0.880 22.30 3.500 88.90 2.41
1 1.315
33.40
5.880
149.3
1.120
28.40
1.620
41.10
1.360
34.50
0.500
12.70
2.060
52.30
2.000
50.80
4 1.000 25.40 4.000 101.6 3.55
1 1/4 1.660
42.20
6.250
158.7
1.120
28.40
1.620
41.10
1.700
43.20
0.560
14.20
2.500
63.50
2.500
63.50
4 1.000 25.40 4.380 111.2 4.02
1 1/2 1.900
48.30
7.000
177.8
1.250
31.75
1.750
44.50
1.950
49.50
0.620
15.70
2.750
69.85
2.880
73.15
4 1.120 28.40 4.880 123.9 5.45
2 2.375
60.30
8.500
215.9
1.500
38.10
2.250
57.15
2.440
62.00
0.690
17.50
4.120
104.6
3.620
91.90
8 1.000 25.40 6.500 165.1 10.2
2 1/2 2.875
73.00
9.620
244.3
1.620
41.10
2.500
63.50
2.940
74.70
0.750
19.00
4.880
123.9
4.120
104.6
8 1.120 28.40 7.500 190.5 13.9

Notes
- Class 400 socket weld flanges may be provided in NPS 1/2 to 21/2 using Class 600 dimensions
- Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness.
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