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

Blind Flange Dimensions
Blind Flange Dimensions
Metric Dimensions
150 300 400 600 900 1500 2500
Inch Dimensions
150 300 400 600 900 1500 2500

NPSOtf
1/29514.3
3/411515.9
112517.5
1-1/413520.7
1-1/215522.3
216525.4
2-1/219028.6
321031.8
3-1/223035
425535
528038.1
632041.3
838047.7
1044554
1252057.2
NPSOtf
1458560.4
1665063.5
1871066.7
2077569.9
2491576.2

[google-square-ad]

Templates for drilling of bolt holes

Flange Drilling Template
Flange Drilling Template

NPSBCDBHDBOLTSBD
1/266.75/841/2
3/482.63/445/8
188.93/445/8
1-1/498.43/445/8
1-1/2114.37/843/4
2127.03/485/8
2-1/2149.27/883/4
3168.37/883/4
3-1/2184.2187/8
4200.0187/8
5235.0187/8
6269.91127/8
8330.01-1/8121
10387.41-1/4161-1/8
12450.81-3/8161-1/4
NPSBCDBHDBOLTSBD
14514.41-3/8201-1/4
16571.51-1/2201-3/8
18628.61-1/2241-3/8
20685.81-5/8241-1/2
24812.81-7/8241-3/4

[google-square-ad]

Flange Drilling Template
Flange Drilling Template

NPSSBL RFYSBL RJMBL RF
1/2757075
3/4908590
1908590
1-1/4959095
1-1/2110100110
2110100110
2-1/2120115120
3125120125
3-1/2140135140
4140135140
5145135145
6150145150
8170165170
10190185190
12205195205
NPSSBL RFYSBL RJMBL RF
14210205210
16220215220
18230220230
20240235250
24265260280

[google-square-ad]

Metric Dimensions
150 300 400 600 900 1500 2500
Inch Dimensions
150 300 400 600 900 1500 2500

General Notes

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