ASME standard - Ring type flange gasket size - British unit (inch)
| ASME Standard - Ring type flange gasket size (inch) | |||||
| ASME B16.1 | ASME B16.5 | ASME B16.47A | ASME B16.47B | ||
| Class 25 | Class 125, 250 | Class 150, 300, 400, 600, 900 | Class 150, 300, 400, 600 | Class 75,150,300 | Class 400,600 |
| - | - | 1/2" | - | - | - |
| - | - | 3/4" | - | - | - |
| - | 1" | 1" | - | - | - |
| - | 1 1/4" | 1 1/4" | - | - | - |
| - | 1 1/2" | 1 1/2" | - | - | - |
| - | 2" | 2" | - | - | - |
| - | 2 1/2" | 2 1/2" | - | - | - |
| - | 3" | 3" | - | - | - |
| - | 3 1/2" | 3 1/2" | - | - | - |
| 4" | 4" | 4" | - | - | - |
| 5" | 5" | 5" | - | - | - |
| 6" | 6" | 6" | - | - | - |
| 8" | 8" | 8" | - | - | - |
| 10" | 10" | 10" | - | - | - |
| 12" | 12" | 12" | - | - | - |
| 14" | 14" | 14" | - | - | - |
| 16" | 16" | 16" | - | - | - |
| 18" | 18" | 18" | - | - | - |
| 20" | 20" | 20" | - | - | - |
| - | - | - | 22" | - | - |
| 24" | 24" | 24" | - | - | - |
| - | - | - | 26" | 26" | 26" |
| - | - | - | 28" | 28" | 28" |
| 30" | 30" | - | 30" | 30" | 30" |
| - | - | - | 32" | 32" | 32" |
| - | - | - | 34" | 34" | 34" |
| 36" | 36" | - | 36" | 36" | - |
| - | - | - | 38" | 38" | - |
| - | - | - | 40" | 40" | - |
| 42" | 42" | - | 42" | 42" | - |
| - | - | - | 44" | 44" | - |
| - | - | - | 46" | 46" | - |
| 48" | 48" | - | 48" | 48" | - |
| - | - | - | 50" | 50" | - |
| - | - | - | 52" | 52" | - |
| 54" | - | - | 54" | 54" | - |
| - | - | - | 56" | 56" | - |
| - | - | - | 58" | 58" | - |
| 60" | - | - | 60" | 60" | - |
| 72" | - | - | - | - | - |
| 84" | - | - | - | - | - |
| 96" | - | - | - | - | - |
Notice DN is norminal diameter
N holes is number of bolt holes
ASME B16.1 is for cast iron pipe flanges and flanged fittings.
ASME B16.5 is for normal flanges and flanged fittings.
ASME B16.24 is for cast copper alloy flanges and flanged fittings.
ASME B16.47A is for ASME B16,47 Series A, Large dimeter steel flanges.
ASME B16.47B is for ASME B16,47 Series B, Large dimeter steel flanges.
Contact details
Westbound Engineering Co., Ltd.
313/2 Phra-rama9 15, Phra-rama9 rd.,
Huaykwang, Bangkapi, Bangkok, Thailand, 10130
Tel : (+66)2-719-7300-8
Fax : (+66)2-719-7309
Email : info@thaiseal.com
Contact details
Westbound Engineering Co., Ltd.
313/2 Phra-rama9 15, Phra-rama9 rd.,
Huaykwang, Bangkapi, Bangkok, Thailand, 10130
Tel : (+66)2-719-7300-8
Fax : (+66)2-719-7309
Email : info@thaiseal.com
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