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Blind 150 lb. and 300 lb. Flanges

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ASTM-A-182
ASME-SA-182

ANSI Class Forged

Type 304/304L Green
Type 316/316L Brown

Click here to view the Flange Tolerances

150 lb. Dimensions

Nominal Pipe size Flange Raised Face g mm. Inches Drilling Template Approx. weight Kg. Pounds
D mm. Inches b mm. Inches Number l mm. Inches k mm. Inches
1/2″ 88.9 11.1 34.9 4 15.9 60.3 0.5
3 1/2 7/16 1 3/8 5/8 2 3/8 1
3/4″ 98.4 12.7 42.9 4 15.9 69.8 0.9
3 7/8 1/2 1 11/16 5/8 2 3/4 2
1″ 108 14.3 50.8 4 15.9 79.4 0.9
4 1/4 9/16 2 5/8 3 1/8 2
11/4″ 117.5 15.9 63.5 4 15.9 88.9 1.4
4 5/8 5/8 2 1/2 5/8 3 1/2 3
11/2″ 127 17.5 73 4 15.9 98.4 1.8
5 11/16 2 7/8 5/8 3 7/8 4
2″ 152.4 19.1 92.1 4 19 120.6 2.3
6 3/4 3 5/8 3/4 4 3/4 5
21/2″ 177.8 22.2 104.8 4 19 139.7 3.2
7 7/8 4 1/8 3/4 5 1/2 7
3″ 190.5 23.8 127 4 19 152.4 4.1
7 1/2 15/16 5 3/4 6 9
31/2″ 215.9 23.8 139.7 8 19 177.8 5.9
8 1/2 15/16 5 1/2 3/4 7 13
4″ 228.6 23.8 157.2 8 19 190.5 7.7
9 15/16 6 3/16 3/4 7 1/2 17
5″ 254 23.8 185.7 8 22.2 215.9 9.1
10 15/16 7 5/16 7/8 8 1/2 20
6″ 279.4 25.4 215.9 8 22.2 241.3 11.8
11 1 8 1/2 7/8 9 1/2 26
8″ 342.9 28.6 269.9 8 22.2 298.4 21
13 1/2 1 1/8 10 5/8 7/8 11 3/4 46.2
10″ 406.4 30.2 323.8 12 25.4 361.9 31.8
16 1 3/16 12 3/4 1 14 1/4 70
12″ 482.6 31.8 381 12 25.4 431.8 49.9
19 1 1/4 15 1 17 110
14″ 533.4 34.9 412.7 12 28.6 476.2 63.5
21 1 3/8 16 1/4 1 1/8 18 3/4 140
16″ 596.9 36.5 469.9 16 28.6 539.7 81.6
23 1/2 1 7/16 18 1/2 1 1/8 21 1/4 180
18″ 635 39.7 533.4 16 31.7 577.8 99.8
25 1 9/16 21 1 1/4 22 3/4 220
20″ 698.5 42.9 584.2 20 31.7 635 129
27 1/2 1 11/16 23 1 1/4 25 285
22″ 749.3 46 641.2 20 34.9 692.1 161
29 1/2 1 13/16 25 1/4 1 3/8 27 1/4 355
24″ 812.8 47.6 692.1 20 34.9 749.3 195
32 1 7/8 27 1/4 1 3/8 29 1/2 430

Click to download Stainless Steel Blind Flanges PDF

300 lb. Dimensions

Nominal Pipe size Flange Raised Face g mm. Inches Drilling Template Approx. weight Kg. Pounds
D mm. Inches b mm. Inches Number l mm. Inches k mm. Inches
1/2″ 95.2 14.3 34.9 4 15.9 66.7 0.9
3 3/4 9/16 1 3/8 5/8 2 5/8 2
3/4″ 117.5 15.9 42.9 4 19 82.5 1.4
4 5/8 5/8 1 11/16 3/4 3 1/4 3
1″ 123.8 17.5 50.8 4 19 88.9 1.4
4 7/8 11/16 2 3/4 3 1/2 3
11/4″ 133.3 19 63.5 4 19 98.4 1.8
5 1/4 3/4 2 1/2 3/4 3 7/8 4
11/2″ 155.6 20.6 73 4 22.2 114.3 2.7
6 1/8 13/16 2 7/8 7/8 4 1/2 6
2″ 165.1 22.2 92.1 8 19 127.5 3.6
6 1/2 7/8 3 5/8 3/4 5 8
21/2″ 190.5 25.4 104.8 8 22.2 149.2 5.4
7 1/2 1 4 1/8 7/8 5 7/8 12
3″ 209.5 28.6 127 8 22.2 168.3 7.3
8 1/4 1 1/8 5 7/8 6 5/8 16
31/2″ 228.5 30.2 139.7 8 22.2 184.1 9.5
9 1 3/16 5 1/2 7/8 7 1/4 21
4″ 254 31.8 157.2 8 22.2 200 12.2
10 1 1/4 6 3/16 7/8 7 7/8 27
5″ 279.4 34.9 185.7 8 22.2 234.9 15.9
11 1 3/8 7 5/16 7/8 9 1/4 35
6″ 317.5 36.5 215.9 12 22.2 269.9 22.7
12 1/2 1 7/16 8 1/2 7/8 10 5/8 50
8″ 381 41.3 269.9 12 25.4 330.2 36.7
15 1 5/8 10 5/8 1 13 81
10″ 444.5 47.6 323.8 16 28.6 387.3 57
17 1/2 1 7/8 12 3/4 1 1/8 15 1/4 125
12″ 520.7 50.8 381 16 31.7 450.8 84
20 1/2 2 15 1 1/4 17 3/4 181
14″ 584.2 54 412.7 20 31.7 514.3 113
23 2 1/8 16 1/4 1 1/4 20 1/4 250
16″ 647.7 57.2 469.9 20 34.9 571.5 134
25 1/2 2 1/4 18 1/2 1 1/8 22 1/2 295
18″ 711.2 60.3 533.4 24 34.9 628.5 178
28 2 3/8 21 1 1/8 24 3/4 392
20″ 774.7 63.5 584.2 24 34.9 685.8 229
30 1/2 2 1/2 23 1 1/8 27 505
22″ 838.2 66.7 641.2 24 41.3 742.9 290
33 2 5/8 25 1/4 1 5/8 29 1/4 640
24″ 914.4 69.8 692.1 24 41.3 812.8 358
36 2 3/4 27 1/4 1 5/8 32 790

Click to download Stainless Steel Blind Flanges PDF

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