ANSI/ASME B16.5 class 150 RF blind flange - Hebei Haihao Group

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.

ANSI B16.5 ASTM A105 RTJ blind flanges

ANSI B16.5 ASTM A105 RTJ blind flanges

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:

ANSI ASME B16.5 Class 150 Blind Flange Dimensions

ANSI ASME B16.5 Class 150 Blind Flange Dimensions

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:

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

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