» Flange & Fitting » ASME B16.47 Series B Flanges Class 900

ASME B16.47 Series B Flanges Class 900

September 5, 2019

Technical drawings

900LB WN Flange b16.47 sb drawing

Typical drawing for 900# welding neck flange with RF, in accordance with ASME B16.47 Series B.

900LB BL Flange b16.47 sb drawing

Typical drawing for class 900 blind flange with RF, in accordance with ASME B16.47 Series B.

Dimensions

NPSDKGX
261020901.7762743
281105971.6819797
3011801035.0876851
3212401092.2927908
3413151155.7991962
3613451200.210291016
*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
26660.4154.0135.0259
28711.2166.7147.7276
30762.0176.1155.6289
32812.8186.0160.4303
34863.6195.0171.5319
36914.4201.7173.1325
*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: 7mm height of RF for Class 900 Series B flange. All dimensions are in mm units.

NPSndlr
26202-5/82-1/211
28202-7/82-3/413
30203-1/8313
32203-1/8313
34203-3/83-1/414
36243-1/8314
*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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