» Flange & Fitting » ASME B16.47 Series B Flanges Class 150

ASME B16.47 Series B Flanges Class 150

September 5, 2019

Technical drawings

150LB WN Flange b16.47 sb drawing

Typical drawing for 150# welding neck flange with RF, in accordance with ASME B16.47 Series B.

150LB BL Flange b16.47 sb drawing

Typical drawing for class 150 blind flange with RF, in accordance with ASME B16.47 Series B.

Dimensions

NPSDKGX
26785744.5711684
28835795.3762735
30885846.1813787
32940900.1864840
341005957.3921892
3610551009.6972945
3811251070.01022997
4011751120.810801049
4212251171.611301102
4412751222.411811153
4613401284.312351205
4813901335.112891257
5014451385.913401308
5214951436.713911360
5415501492.214411413
5616001543.014921465
5816751611.315431516
6017251662.116001570
*D: outside diameter of flange; K: diameter of bolt circle; G: outside diameter of raised face; X: diameter of hub of  WN flange. All dimensions are in mm units.

NPSATBLTWNY
26661.943.039.887
28712.746.243.094
30763.549.343.098
32814.352.544.6106
34865.155.747.7109
36915.957.350.9116
38968.262.052.5122
401019.065.254.1127
421069.866.857.3132
441120.670.058.9135
461171.473.160.4143
481222.276.363.6148
501273.079.566.8152
521323.882.768.4156
541374.685.870.0160
561425.489.071.6165
581476.291.973.1173
601527.095.474.7178
*A: diameter of hub top of WN; TBL: minimum thickness of blind flange; TWN;: minimum thickness of WN flange; Y: length through hub of WN; t: 2mm height of RF for Class 150 Series B flange. All dimensions are in mm units.

NPSndlr
26367/83/410
28407/83/410
30447/83/410
32487/83/410
344017/810
364417/810
38401-1/8110
40441-1/8110
42481-1/8111
44521-1/8111
46401-1/41-1/811
48441-1/41-1/811
50481-1/41-1/811
52521-1/41-1/811
54561-1/41-1/811
56601-1/41-1/814
58481-3/81-1/414
60521-3/81-1/414
* n: number of bolt holes; d: diameter of bolt hole; l: diameter of bolt; r: minimum fillet radius for WN. d and l are in inch units,while r is in mm unit.

ASME B16.47 Series A Flanges, by Class
150300400600900-
ASME B16.47 Series B Flanges, by Class
75150300400600900
*Click to view the dimensions for ASME B16.47 Series B welding neck flanges and blind flanges of each pressure rating.

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