ASME B16 47 Class 300 Series A Flange

ASME B16.47 Series A Flanges Class 300 Dimensions and Technical Drawings

ASME B16.47 Series A 300# Welding Neck Flange with RF
ASME B16.47 Series A 300# Welding Neck Flange with RF
ASME B16.47 Series A Class 300 Blind Flange with RF
ASME B16.47 Series A Class 300 Blind Flange with RF

DOWNLOAD ASME B16.47 SERIES A FLANGES CLASS 300 DIMENSIONS AND TECHNICAL DRAWINGS PDF

300# B16.47 Series A Flanges Dimensions B16.47 Dimensions in MM

NPS D K G X
26″ 970 876.3 749 721
28″ 1035 939.8 800 775
30″ 1090 997.0 857 827
32″ 1150 1054.1 914 881
34″ 1205 1104.9 965 937
36″ 1270 1168.4 1022 991
38″ 1170 1092.2 1029 994
40″ 1240 1155.7 1086 1048
42″ 1290 1206.5 1137 1099
44″ 1355 1263.6 1194 1149
46″ 1415 1320.8 1245 1203
48″ 1465 1371.6 1302 1254
50″ 1530 1428.8 1359 1305
52″ 1580 1479.6 1410 1356
54″ 1660 1549.4 1467 1410
56″ 1710 1600.2 1518 1464
58″ 1760 1651.0 1575 1514
60″ 1810 1701.8 1626 1565

General Note:

  • All dimensions are in MM.
  • D: outside diameter of flange.
  • K: diameter of bolt circle.
  • G: diameter of raised face.
  • X: diameter of hub of flange.
NPS A TBL TWN Y
26″ 660.4 82.6 77.8 183
28″ 711.2 88.9 84.2 195
30″ 762.0 93.7 90.5 208
32″ 812.8 98.5 96.9 221
34″ 863.6 103.2 100.1 230
36″ 914.4 109.6 103.2 240
38″ 965.2 106.4 106.4 179
40″ 1016.0 112.8 112.8 192
42″ 1066.8 117.5 117.5 198
44″ 1117.6 122.3 122.3 205
46″ 1168.4 127.0 127.0 214
48″ 1219.2 131.8 131.8 222
50″ 1270.0 138.2 138.2 230
52″ 1320.8 142.9 142.9 237
54″ 1371.6 150.9 150.9 251
56″ 1422.4 152.4 152.4 259
58″ 1473.2 157.2 157.2 265
60″ 1524.0 162.0 162.0 271

General Note:

  • All dimensions are in MM.
  • 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.
NPS n d l r
26″ 28 1-3/4 1-5/8 10
28″ 28 1-3/4 1-5/8 11
30″ 28 1-7/8 1-3/4 11
32″ 28 2 1-7/8 11
34″ 28 2 1-7/8 13
36″ 32 2-1/8 2 13
38″ 32 1-5/8 1-1/2 13
40″ 32 1-3/4 1-5/8 13
42″ 32 1-3/4 1-5/8 13
44″ 32 1-7/8 1-3/4 13
46″ 28 2 1-7/8 13
48″ 32 2 1-7/8 13
50″ 32 2-1/8 2 13
52″ 32 2-1/8 2 13
54″ 28 2-3/8 2-1/4 13
56″ 28 2-3/8 2-1/4 13
58″ 32 2-3/8 2-1/4 13
60″ 32 2-3/8 2-1/4 13

General Note:

  • 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 Class 300 Flanges Industries and Applications Widely used in the industries

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

ASME B16.47 Series A Class 300 Flanges Supply and Export Network List of Cities and Countries

Afghanistan Algeria Angola Argentina
Australia Austria Azerbaijan Bahrain
Bangladesh Belarus Belgium Bhutan
Bolivia Brazil Bulgaria Canada
Chile China Colombia Costa Rica
Croatia Czech Republic Aberdeen Abu Dhabi
Ahmedabad Ahvaz Al Jubail Al Khobar
Algiers Ankara Atyrau Bangkok
Bengaluru Bhopal Bogota Brisbane
Busan Cairo Calgary Caracas
Chandigarh Chennai Chiyoda Coimbatore
Colombo Courbevoie
Denmark Ecuador Egypt Estonia
Finland France Gabon Ghana
Greece Hong Kong Hungary India
Indonesia Iran Iraq Israel
Italy Japan Jordan Dallas
Dammam Doha Dubai Edmonton
Ernakulam Faridabad Geoje-si Gimhae-si
Granada Gurgaon Hanoi Haryana
Ho Chi Minh City Hong Kong Houston Howrah
Hyderabad Indore Istanbul Jakarta
Jeddah
Kazakhstan Kenya Kuwait Lebanon
Libya Lithuania Malaysia Mexico
Mongolia Morocco Netherlands New Zealand
Nigeria Norway Oman Pakistan
Peru Philippines Poland Portugal
Qatar Romania Russia Karachi
Kolkata Kuala Lumpur Kuwait City La Victoria
Lagos Lahore London Los Angeles
Ludhiana Madrid Manama Melbourne
Mexico City Milan Montreal Moscow
Mumbai Muscat Navi Mumbai New Delhi
New York Noida Perth Petaling Jaya
Pimpri-Chinchwad Port-of-Spain Pune Rajkot
Rio de Janeiro Riyadh
Saudi Arabia Serbia Singapore Slovakia
South Africa South Korea Spain Sri Lanka
Sweden Switzerland Taiwan Thailand
Trinidad & Tobago Tunisia Turkey Ukraine
United Arab Emirates (UAE) United Kingdom (UK) United States (US) Venezuela
Vietnam Yemen Santiago Secunderabad
Seoul Sharjah Singapore Surat
Sydney Tehran Thane Thiruvananthapuram
Toronto Ulsan Vadodara Visakhapatnam
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