Metric Dimensions of Blind Flange Rating 150 as per ASME B16.5

Blind Flange Dimensions
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Metric Dimensions
15030040060090015002500
Inch Dimensions
15030040060090015002500

150# Flange Body Dimensions

Blind Flange Dimensions
Blind Flange Dimensions
NPSO
Flange OD
tf
Flange Thickness
1/2909.6
3/410011.2
111012.7
1-1/411514.3
1-1/212515.9
215017.5
2-1/218020.7
319022.3
3-1/221522.3
423022.3
525522.3
628023.9
834527
1040528.6
1248530.2
1453533.4
1659535
1863538.1
2070041.3
2481546.1

150# Bolts Template

Flange Drilling Template
Flange Drilling Template
NPSBCD
Bolt Circle Dia.
BHD
Bolt Hole Dia
BOLTS
Number of Bolts
BD
Dia. Of Bolt
SBL RF
Stud Bolt Length (RF)
SBL RJ
Stud Bolt Length (RJ)
MBL RF
Machine Bolt Length (RF)
1/260.35/841/255NA50
3/469.95/841/265NA50
179.45/841/2657555
1-1/488.95/841/2708555
1-1/298.45/841/2708565
2120.73/445/8859570
2-1/2139.73/445/89010075
3152.43/445/89010075
3-1/2177.83/485/89010075
4190.53/485/89010075
5215.97/883/49511085
6241.37/883/410011585
8298.57/883/411012090
103621127/8115125100
12431.81127/8120135100
14476.31-1/8121135145115
16539.81-1/8161135145115
18577.91-1/4161-1/8145160125
206351-1/4201-1/8160170140
24749.31-3/8201-1/4170185150
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.