ANSI/ASME B16.5 class 150 slip on flange

Slip on flange(SO flange) is slipped over the pipe and then fillet welded.Slip-on flanges are easy to use in fabricated applications.ANSI/ASME B16.5 standard covers pressure,temperature,ratings,materials,dimensions, tolerances,marking,testing,and methods of designating openings for pipe flanges and flanged fittings.Slip on flange dimensions are covered in ANSI/ASME B16.5 class 150 for size NPS ½” to 24″.

ANSI/ASME B16.5 Class 150lb Slip On Flange Diamentions:

ANSI ASME B16.5 Class 150lb Slip On Flange Dimensions

ANSI ASME B16.5 Class 150lb Slip On Flange Dimensions

Pipe Flange Data Hub Raised Face Drilling Data Weight
Nominal Pipe Size A B C D F G H I J
Outside Diameter Overall Diameter Inside Diameter Flange
Thickness min
Overall Length Hub Diameter Face Diameter Number of Holes Bolt Hole Diameter Diameter of Circle of Holes kg/piece
in in in in in in in in in
mm mm mm mm mm mm mm mm mm
½ 0.840
21.30
3.500 88.90 0.880 22.40 0.440
11.20
0.620 15.70 1.190 30.20 1.380 35.10 4 0.620 15.70 2.380 60.45 0.39
¾ 1.050
26.70
3.880 98.60 1.090 27.70 0.500
12.70
0.620 15.70 1.500 38.10 1.690 42.90 4 0.620 15.70 2.750 69.85 0.56
1 1.315
33.40
4.250 108.0 1.360 34.50 0.560
14.20
0.690 17.50 1.940 49.30 2.000 50.80 4 0.620 15.70 3.120 79.25 0.78
1 ¼ 1.660
42.20
4.620 117.3 1.700 43.20 0.620
15.70
0.810 20.60 2.310 58.70 2.500 63.50 4 0.620 15.70 3.500 88.90 1.03
1 ½ 1.900
48.30
5.000 127.0 1.950 49.50 0.690
17.50
0.880 22.40 2.560 65.00 2.880 73.15 4 0.620 15.70 3.880 98.60 1.32
2 2.375
60.30
6.000 152.4 2.440 62.00 0.750
19.10
1.000 25.40 3.060 77.70 3.620 91.90 4 0.750 19.10 4.750 120.7 2.06
2 ½ 2.875
73.00
7.000 177.8 2.940 74.70 0.880
22.40
1.120 28.40 3.560 90.40 4.120 104.6 4 0.750 19.10 5.500 139.7 3.28
3 3.500
88.90
7.500 190.5 3.570 90.70 0.940
23.90
1.190 30.20 4.250 108.0 5.000 127.0 4 0.750 19.10 6.000 152.4 3.85
3 ½ 4.000
101.6
8.500 215.9 4.070 103.4 0.940
23.90
1.250 31.75 4.810 122.2 5.500 139.7 8 0.750 19.10 7.000 177.8 4.81
4 4.500
114.3
9.000 228.6 4.570 116.1 0.940
23.90
1.310 33.30 5.310 134.9 6.190 157.2 8 0.750 19.10 7.500 190.5 5.30
5 5.563
141.3
10.00 254.0 5.660 143.8 0.940
23.90
1.440 36.60 6.440 163.6 7.310 185.7 8 0.880 22.40 8.500 215.9 6.07
6 6.625
168.3
11.00 279.4 6.720 170.7 1.000
25.40
1.560 39.60 7.560 192.0 8.500 215.9 8 0.880 22.40 9.500 241.3 7.45
8 8.625
219.1
13.50 342.9 8.720 221.5 1.120
28.40
1.750 44.50 9.690 246.1 10.62 269.7 8 0.880 22.40 11.75 298.5 12.1
10 10.75
273.0
16.00 406.4 10.88 276.3 1.190
30.20
1.940 49.30 12.00 304.8 12.75 323.9 12 1.000 25.40 14.25 362.0 16.5
12 12.75
323.8
19.00 482.6 12.88 327.1 1.250
31.75
2.190 55.60 14.38 365.3 15.00 381.0 12 1.000 25.40 17.00 431.8 26.2
14 14.00
355.6
21.00 533.4 14.14 359.1 1.380
35.10
2.250 57.15 15.75 400.1 16.25 412.8 12 1.120 28.40 18.75 476.3 34.6
16 16.00
406.4
23.50 596.9 16.16 410.5 1.440
36.60
2.500 63.50 18.00 457.2 18.50 469.9 16 1.120 28.40 21.25 539.8 44.8
18 18.00
457.2
25.00 635.0 18.18 461.8 1.560
39.60
2.690 68.30 19.88 505.0 21.00 533.4 16 1.250 31.75 22.75 577.9 48.9
20 20.00
508.0
27.50 698.5 20.20 513.1 1.690
42.90
2.880 73.15 22.00 558.8 23.00 584.2 20 1.250 31.75 25.00 635.0 61.9
24 24.00
609.6
32.00 812.8 24.25 616.0 1.880
47.80
3.250 82.60 26.12 663.4 27.25 692.2 20 1.380 35.10 29.50 749.3 86.9

Notes:

  • Weights are based on manufacturer’s data and are approximate.:
  • Flat face flanges may be provided at full thickness,C,or with raised face removed (the latter is nonstandard).

Specifications of ANSI/ASME B16.5 forged flange:

Types of ANSI/ASME B16.5 forged flanges:

ANSI ASME B16.5 weld neck flange drawing

ANSI ASME B16.5 weld neck flange drawing

Weld neck flange(WN flange) is circumferentially welded into the system at its neck which means that the integrity of the butt
welded area can be easily examined by radiography.The bores of both pipe and flange match,which reduces turbulence and erosion inside the pipeline.The weld neck is therefore favoured in critical applications.

ANSI ASME B16.5 blind flange drawing

ANSI ASME B16.5 blind flange drawing

Blind flange is used to blank off pipelines,valves and pumps,it can also be used as an inspection cover.It is sometimes referred to as a blank flange.

ANSI ASME B16.5 slip on flange drawing

ANSI ASME B16.5 slip on flange drawing

Slip on flange(SO flange) is slipped over the pipe and then fillet welded.Slip-on flanges are easy to use in fabricated applications.

ANSI ASME B16.5 lap joint flange drawing

ANSI ASME B16.5 lap joint flange drawing

Lap joint flange(LJ flange) is always used with either a stub end
or taft which is butt welded to the pipe with the flange loose behind it.
This means the stub end or taft always makes the face.The lap joint is favoured in low pressure applications because it is easily assembled and aligned.To reduce cost these flanges can be supplied without a hub and/or in treated,coated carbon steel.

ANSI ASME B16.5 socket weld flange drawing

ANSI ASME B16.5 socket weld flange drawing

Socket weld flange(SW flange) is counter bored to accept the pipe before being fillet welded.The bore of the pipe and flange are both the same therefore giving good flow characteristics.

ANSI ASME B16.5 threaded flange drawing

ANSI ASME B16.5 threaded flange drawing

Threaded flange is referred to as either threaded or screwed.It is used to connect other threaded components in low pressure, non-critical applications.No welding is required.

ANSI ASME B16.5 ring type joint flange drawing

ANSI ASME B16.5 ring type joint flange drawing

Ring type joint is a method of ensuring leak proof flange connection at high pressures.A metal ring is compressed into a hexagonal groove on the face of the flange to make the seal.This jointing method can be employed on weld neck flanges,slip on flange and blind flanges.

Materials of ANSI/ASME B16.5 class 150 slip on flange:

Carbon steel ANSI/ASME B16.5 slip on flange:

ASTM A105,A350 LF2,SS400,P235GH,P250GH,C22.8,Q235,20#,16Mn,etc.

Stainless steel ANSI/ASME B16.5 slip on flange:

ASTM A182 F304,F304L,F316,F316L,F321,F347,F310,F44,F51,etc.

Alloy steel ANSI/ASME B16.5 slip on flange:

ASTM A694 F42,F46,F52,F56,F60,F65,F70,A182 F5,F9,F91,F12,F11,F22,etc.

Related:

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