12502 Taylor Road #P
Houston, TX 77041

Tel: 713.466.5464
Fax: 713.466.5523
Email: kpt22@aol.com

CALCULATED WEIGHT FLANGES

150 LB FLANGES
Pipe Size S/O & Screwed Flanges Weld Neck Flanges Blind Flanges Lap Joint Flanges Outside Diameter
.5 2 2 2 2 3.5
.75 2 2 2 2 3.825
1 2 2 2 2 4.25
1.5 3 4 3 3 4.625
1.25 3 5 4 3 5
2 5 9 4 5 6
2.5 7 11 11 7 7
3 8 14 14 8 7.5
3.5 11 15 13 11 8.5
4 13 16 19 13 9
5 15 21 21 15 10
6 19 25 28 19 1
8 30 40 48 30 13.5
10 42 56 70 42 16
12 64 86 105 64 19
14 85 111 135 99 21
16 94 141 176 128 23.5
18 120 153 214 146 25
20 155 188 284 25 27


3
0
0
L
B.		 Weld Neck Flanges 4 4 5 6 9 10 13 16 19 26 35 45 70 94 140 190 250 305 380
S/O & Screwed Flanges 3 3 3 4 6 7 10 13 17 22 28 39 58 82 115 163 220 280 325
Lap Joint Flanges 3 3 3 4 6 7 10 13 17 22 28 39 58 91 139 189 240 305 375
Blind Flanges 2 3 4 6 7 8 15 16 20 27 41 50 80 120 184 249 324 416 516
Outside Diameter 3.75 4.625 4.825 5.25 6.125 6.5 7.5 8.25 9 10 11 12.5 15 17 20.5 23 25.5 28 30.5


6
0
0
L
B.		 Weld Neck Flanges 4 6 6 8 10 12 18 20 25 41 66 77 111 180 226 334 462 531 678
S/O & Screwed Flanges 3 3 4 6 7 9 13 16 21 36 63 83 114 170 210 264 366 476 612
Lap Joint Flanges 3 3 4 6 7 9 13 16 21 36 63 83 114 195 240 290 400 469 604
Blind Flanges 2 3 4 6 8 10 15 20 29 41 68 86 140 230 295 378 527 665 855
Outside Diameter 3.75 4.625 4.825 5.25 6.125 6.5 7.5 8.25 9 10.75 13 14 16 20 22 23 27 29 35
Pipe Size .5 .75 1 1.25 1.5 2 2.5 3 3.5 4 5 6 8 10 12 14 16 18 20


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