» Flange & Fitting » ASME B16.47 Series A Flanges Class 300

ASME B16.47 Series A Flanges Class 300

September 5, 2019

Technical Drawings

300LB WN Flange b16.47 sa drawing

Typical drawing for 300# welding neck flange with RF, in accordance with ASME B16.47 Series A

300LB BL Flange b16.47 sa drawing

Typical drawing for class 300 blind flange with RF, in accordance with ASME B16.47 Series A

Dimensions of 300# B16.47 Series A flanges.

NPSDKGX
26"970876.3749721
28"1035939.8800775
30"1090997.0857827
32"11501054.1914881
34"12051104.9965937
36"12701168.41022991
38"11701092.21029994
40"12401155.710861048
42"12901206.511371099
44"13551263.611941149
46"14151320.812451203
48"14651371.613021254
50"15301428.813591305
52"15801479.614101356
54"16601549.414671410
56"17101600.215181464
58"17601651.015751514
60"18101701.816261565
*D: outside diameter of flange; K: diameter of bolt circle; G: diameter of raised face; X: diameter of hub of flange; All dimensions are in mm.

NPSATBLTWNY
26"660.482.677.8183
28"711.288.984.2195
30"762.093.790.5208
32"812.898.596.9221
34"863.6103.2100.1230
36"914.4109.6103.2240
38"965.2106.4106.4179
40"1016.0112.8112.8192
42"1066.8117.5117.5198
44"1117.6122.3122.3205
46"1168.4127.0127.0214
48"1219.2131.8131.8222
50"1270.0138.2138.2230
52"1320.8142.9142.9237
54"1371.6150.9150.9251
56"1422.4152.4152.4259
58"1473.2157.2157.2265
60"1524.0162.0162.0271
*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 300 Series A flange. All dimensions are in mm.

NPSndlr
26"281-3/41-5/810
28"281-3/41-5/811
30"281-7/81-3/411
32"2821-7/811
34"2821-7/813
36"322-1/8213
38"321-5/81-1/213
40"321-3/41-5/813
42"321-3/41-5/813
44"321-7/81-3/413
46"2821-7/813
48"3221-7/813
50"322-1/8213
52"322-1/8213
54"282-3/82-1/413
56"282-3/82-1/413
58"322-3/82-1/413
60"322-3/82-1/413
*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 and weights of flanges of ASME B16.47 Series A and Series B at any pressure rating.

 

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