ASME B16 47 Class 400 Series A Flange

ASME B16.47 Series A Flanges Class 400 Dimensions and Technical Drawings

ASME B16.47 Series A 400# Welding Neck Flange with RF
ASME B16.47 Series A 400# Welding Neck Flange with RF
ASME B16.47 Series A Class 400 Blind Flange with RF
ASME B16.47 Series A Class 400 Blind Flange with RF

DOWNLOAD ASME B16.47 SERIES A FLANGES CLASS 400 DIMENSIONS AND TECHNICAL DRAWINGS PDF

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

NPS D K G X
26″ 970 876.3 749 727
28″ 1035 939.8 800 783
30″ 1090 997.0 857 837
32″ 1150 1054.1 914 889
34″ 1205 1104.9 965 945
36″ 1270 1168.4 1022 1000
38″ 1205 1117.6 1035 1003
40″ 1270 1174.6 1092 1054
42″ 1320 1225.6 1143 1108
44″ 1385 1282.7 1200 1159
46″ 1440 1339.8 1257 1213
48″ 1510 1403.4 1308 1267
50″ 1570 1460.5 1362 1321
52″ 1620 1511.3 1413 1372
54″ 1700 1581.2 1470 1426
56″ 1755 1632.0 1527 1480
58″ 1805 1682.8 1578 1530
60″ 1885 1752.6 1635 1584

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 98.5 88.9 194
28″ 711.2 104.8 95.3 206
30″ 762.0 111.2 101.6 219
32″ 812.8 115.9 108.0 232
34″ 863.6 122.3 111.2 241
36″ 914.4 128.6 114.3 251
38″ 965.2 123.9 123.9 206
40″ 1016.0 130.2 130.2 216
42″ 1066.8 133.4 133.4 224
44″ 1117.6 139.7 139.7 233
46″ 1168.4 146.1 146.1 244
48″ 1219.2 152.4 152.4 257
50″ 1270.0 158.8 157.2 268
52″ 1320.8 163.6 162.0 276
54″ 1371.6 171.5 169.9 289
56″ 1422.4 176.3 174.7 298
58″ 1473.2 181.0 177.8 306
60″ 1524.0 189.0 185.8 319

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: 7mm height of RF for Class 400 Series A flange.
NPS n d l r
26″ 28 1-7/8 1-3/4 11
28″ 28 2 1-7/8 13
30″ 28 2-1/8 2 13
32″ 28 2-1/8 2 13
34″ 28 2-1/8 2 14
36″ 32 2-1/8 2 14
38″ 32 1-7/8 1-3/4 14
40″ 32 2 1-7/8 14
42″ 32 2 1-7/8 14
44″ 32 2-1/8 2 14
46″ 36 2-1/8 2 14
48″ 28 2-3/8 2-1/4 14
50″ 32 2-3/8 2-1/4 14
52″ 32 2-3/8 2-1/4 14
54″ 28 2-5/8 2-1/2 14
56″ 32 2-5/8 2-1/2 14
58″ 32 2-5/8 2-1/2 14
60″ 32 2-7/8 2-3/4 14

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 400 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 400 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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