Metric Dimensions of Weld Neck Flange Rating 400 as per ASME B16.5

Weld Neck Flange Dimensions
Android AppiPhone App
Weld Neck Flange Dimensions
Weld Neck Flange Dimensions
Metric Dimensions
15030040060090015002500
Inch Dimensions
15030040060090015002500
NPSO
Flange OD
Ttf
Thickness
X
Hub Dia
A
Hub Dia
Y
Length
B
Bore Dia
1/29514.33821.3523
3/411515.94826.7573
112517.55433.4623
1-1/413520.76442.2675
1-1/215522.37048.3706
216525.48460.3738
2-1/219028.610073798
321031.811788.98310
3-1/223035133101.68610
425535146114.389BY P
528038.1178141.3102BY P
632041.3206168.3103BY P
838047.7260219.1117BY P
1044554321273124BY P
1252057.2375323.8137BY P
1458560.4425355.6149BY P
1665063.5483406.4152BY P
1871066.7533457165BY P
2077569.9587508168BY P
2491576.2702610175BY P

Templates for drilling of bolt holes

Flange Drilling Template
Flange Drilling Template
NPSBCDBHDBOLTSBDSBL RFYSBL RJMBL RF
1/266.75/841/2757075
3/482.63/445/8908590
188.93/445/8908590
1-1/498.43/445/8959095
1-1/2114.37/843/4110100110
2127.03/485/8110100110
2-1/2149.27/883/4120115120
3168.37/883/4125120125
3-1/2184.2187/8140135140
4200.0187/8140135140
5235.0187/8145135145
6269.91127/8150145150
8330.01-1/8121170165170
10387.41-1/4161-1/8190185190
12450.81-3/8161-1/4205195205
14514.41-3/8201-1/4210205210
16571.51-1/2201-3/8220215220
18628.61-1/2241-3/8230220230
20685.81-5/8241-1/2240235250
24812.81-7/8241-3/4265260280
Metric Dimensions
15030040060090015002500
Inch Dimensions
15030040060090015002500

General Notes

Dimensions are in millimeters, except for diameters of bolts and bolt holes, which are in inch units.