ASME B16.36 Class 300 FlangesApril 16, 2021
ASME B16.36 Class 300 Orifice Weld Neck RF Flanges Dimensions and Technical Drawings
DOWNLOAD ASME B16.36 CLASS 300 ORIFICE WELD NECK RF FLANGES DIMENSIONS AND TECHNICAL DRAWINGS PDF
Get Complete details of ANSI/ASME B16.36 Standard Flange
300# B16.36 Flanges Dimensions B16.36 Dimensions in MM
| NPS | HUB DIA |
DIA RF |
OUT SIDE DIA |
MIN THK FLG |
HGT FLG |
HUB DIA |
DIA OF TAB |
| A | R | O | T | H | X | Tg | |
| 1 | 33.4 | 50.8 | 125 | 36.6 | 81 | 54 | 6.4 |
| 1½ | 48.3 | 73.0 | 155 | 36.6 | 84 | 70 | 6.4 |
| 2 | 60.3 | 92.1 | 165 | 36.6 | 84 | 84 | 6.4 |
| 2½ | 73.0 | 104.8 | 190 | 36.6 | 87 | 100 | 6.4 |
| 3 | 88.9 | 127.0 | 210 | 36.6 | 87 | 117 | 9.5 |
| 4 | 114.3 | 157.2 | 255 | 36.6 | 90 | 146 | 12.7 |
| 6 | 168.3 | 215.9 | 320 | 36.6 | 98 | 206 | 12.7 |
| 8 | 219.1 | 269.9 | 380 | 39.7 | 110 | 260 | 12.7 |
| 10 | 273.0 | 323.8 | 445 | 46.1 | 116 | 321 | 12.7 |
| 12 | 323.8 | 381.0 | 520 | 49.3 | 129 | 375 | 12.7 |
| 14 | 355.6 | 412.8 | 585 | 52.4 | 141 | 425 | 12.7 |
| 16 | 406.4 | 469.9 | 650 | 55.6 | 144 | 483 | 12.7 |
| 18 | 457.0 | 533.4 | 710 | 58.8 | 157 | 533 | 12.7 |
| 20 | 508.0 | 584.2 | 775 | 62.0 | 160 | 587 | 12.7 |
| 24 | 610.0 | 692.2 | 915 | 68.3 | 167 | 702 | 12.7 |
| NPS | BOLT CIRCLE |
NO OF BOLTS |
DIA OF HOLES |
DIA STUD BOLTS |
STUD BOLT LENGTH |
| 1 | 88.9 | 4 | 11/16 | 5/8 | 125 |
| 1½ | 114.3 | 4 | 13/16 | 3/4 | 135 |
| 2 | 127.0 | 8 | 11/16 | 5/8 | 125 |
| 2½ | 149.2 | 8 | 13/16 | 3/4 | 135 |
| 3 | 168.3 | 8 | 13/16 | 3/4 | 135 |
| 4 | 200.0 | 8 | 13/16 | 3/4 | 135 |
| 6 | 269.9 | 12 | 7/8 | 3/4 | 135 |
| 8 | 330.2 | 12 | 1 | 7/8 | 145 |
| 10 | 387.4 | 16 | 1.1/8 | 1 | 165 |
| 12 | 450.8 | 16 | 1¼ | 1.1/8 | 180 |
| 14 | 514.4 | 20 | 1¼ | 1.1/8 | 185 |
| 16 | 571.5 | 20 | 1.3/8 | 1¼ | 195 |
| 18 | 628.6 | 24 | 1.3/8 | 1¼ | 205 |
| 20 | 685.8 | 24 | 1.3/8 | 1¼ | 215 |
| 24 | 812.8 | 24 | 1.5/8 | 1½ | 240 |
General Note:
- Height of Raised Face (RF) in CLASS 300 is 2 mm.
- All other dimensions are in accordance with ASME B16.5.
- Dimensions are in millimeters, except for bolts and bolt holes.
- Ring joint flanges larger than NPS 3 will require angular meter taps.
- Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 6 mm (0.25 in.) for NPS 1 to NPS 12. Bolt lengths for ring-type joint flanges include allowance of 15 mm (0.62 in.) for NPS 1 to NPS 3.
- Other NPT sizes may be furnished if required.
- The length of the Stud Bolt does not include the height of the chamfers (points).
- Bore (B) is to be specified by the purchaser.
ASME B16.36 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 B16.36 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 |
| Vung Tau |
