ANSI/ASME B16.5 class 150 RF blind flange
ANSI/ASME B16.5 is one of the most commonly used standards for blind flanges,the nominal size of blind flange from ½” to 24″.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.
Specification of ANSI/ASME B16.5 blind flange:
Size: ½”-24″;
Class: 150lb,300lb,400lb,600lb,900lb,1500lb,2500lb;
Face type: Flat Face (FF),Raised Face (RF),Ring Type Joint (RTJ)
Materials of ANSI/ASME B16.5 blind flange:
carbon steel: ASTM A105,A350 LF2,SS400,P235GH,P250GH,C22.8,Q235,20#,16Mn,etc.
stainless steel: ASTM A182 F304,F304L,F316,F316L,F321,F347,F310,F44,F51,etc.
alloy steel: ASTM A694 F42,F46,F52,F56,F60,F65,F70,A182 F5,F9,F91,F12,F11,F22,etc.
Dimensions of ANSI/ASME B16.5 class 150lb blind flange:
Pipe | Flange Data | Raised Face | Drilling Data | Weight | ||||
Nominal Pipe Size | A | C | G | H | I | J | ||
Outside Diameter | Overall Diameter | Flange Thickness min |
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 | |||
½ | 0.840 21.30 |
3.500 88.90 |
0.440 11.20 |
1.380 35.10 |
4 | 0.620 15.70 | 2.380 60.45 | 0.42 |
¾ | 1.050 26.70 |
3.880 98.60 |
0.500 12.70 |
1.690 42.90 |
4 | 0.620 15.70 | 2.750 69.85 | 0.61 |
1 | 1.315 33.40 |
4.250 108.0 |
0.560 14.20 |
2.000 50.80 | 4 | 0.620 15.70 | 3.120 79.25 | 0.86 |
1 ¼ | 1.660 42.20 |
4.620 117.3 |
0.620 15.70 |
2.500 63.50 | 4 | 0.620 15.70 | 3.500 88.90 | 1.17 |
1 ½ | 1.900 48.30 |
5.000 127.0 |
0.690 17.50 |
2.880 73.15 | 4 | 0.620 15.70 | 3.880 98.60 | 1.53 |
2 | 2.375 60.30 |
6.000 152.4 |
0.750 19.10 |
3.620 91.90 | 4 | 0.750 19.10 | 4.750 120.7 | 2.42 |
2 ½ | 2.875 73.00 |
7.000 177.8 |
0.880 22.40 |
4.120 104.6 | 4 | 0.750 19.10 | 5.500 139.7 | 3.94 |
3 | 3.500 88.90 |
7.500 190.5 |
0.940 23.90 |
5.000 127.0 | 4 | 0.750 19.10 | 6.000 152.4 | 4.93 |
3 ½ | 4.000 101.6 |
8.500 215.9 |
0.940 23.90 |
5.500 139.7 | 8 | 0.750 19.10 | 7.000 177.8 | 6.17 |
4 | 4.500 114.3 |
9.000 228.6 |
0.940 23.90 |
6.190 157.2 | 8 | 0.750 19.10 | 7.500 190.5 | 7.00 |
5 | 5.563 141.3 |
10.00 254.0 |
0.940 23.90 |
7.310 185.7 | 8 | 0.880 22.40 | 8.500 215.9 | 8.63 |
6 | 6.625 168.3 |
11.00 279.4 |
1.000 25.40 |
8.500 215.9 | 8 | 0.880 22.40 | 9.500 241.3 | 11.3 |
8 | 8.625 219.1 |
13.50 342.9 |
1.120 28.40 |
10.62 269.7 | 8 | 0.880 22.40 | 11.75 298.5 | 19.6 |
10 | 10.75 273.0 |
16.00 406.4 |
1.190 30.20 |
12.75 323.9 | 12 | 1.000 25.40 | 14.25 362.0 | 28.8 |
12 | 12.75 323.8 |
19.00 482.6 |
1.250 31.75 |
15.00 381.0 | 12 | 1.000 25.40 | 17.00 431.8 | 43.2 |
14 | 14.00 355.6 |
21.00 533.4 |
1.380 35.10 |
16.25 412.8 | 12 | 1.120 28.40 | 18.75 476.3 | 58.1 |
16 | 16.00 406.4 |
23.50 596.9 |
1.440 36.60 |
18.50 469.9 | 16 | 1.120 28.40 | 21.25 539.8 | 76.0 |
18 | 18.00 457.2 |
25.00 635.0 |
1.560 39.60 |
21.00 533.4 | 16 | 1.250 31.75 | 22.75 577.9 | 93.7 |
20 | 20.00 508.0 |
27.50 698.5 |
1.690 42.90 |
23.00 584.2 | 20 | 1.250 31.75 | 25.00 635.0 | 122 |
24 | 24.00 609.6 |
32.00 812.8 |
1.880 47.80 |
27.25 692.2 | 20 | 1.380 35.10 | 29.50 749.3 | 185 |
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).
Related of blind flanges:
- ANSI/ASME B16.5 class 150 blind flange
- ANSI/ASME B16.5 class 300 blind flange
- ANSI/ASME B16.5 class 400 blind flange
- ANSI/ASME B16.5 class 600 blind flange
- ANSI/ASME B16.5 class 900 blind flange
- ANSI/ASME B16.5 class 1500 blind flange
- ANSI/ASME B16.5 class 2500 blind flange
Haihao Group supply & manufacture forged flanges more than 30 years,our forged flange products contain:weld neck flange,slip on flange,blind flange,threaded flange,plate flange(plain flange),spectacle blind flange,orifice flange,socket weld flange,lap joint flange(loose flange),long weld neck flange,reducing flange,rolled forging ring flange,flange olet,tube sheet,anchor flange,non standard flange(custom flange).We produce the forged flanges in different standards,such as ANSI/ASME B16.5,ANSI/ASME B16.36,ANSI/ASME B16.47,ANSI/ASME B16.48,BS,DIN,EN 1092-1,JIS B2220,GOST,etc.If you want to know more about our forged flanges,please email us:sales@haihaogroup.com