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ANSI ASME B16.47 SERIES B CLASS 300 WELD NECK FLANGES


ANSI ASME B16.47 SERIES B CLASS 300 WELD NECK FLANGE DIMENSIONS, ANSI ASME B16.47 SERIES B CLASS 300 WELD NECK FLANGE BOLT CHART, ANSI ASME B16.47 SERIES B CLASS 300 WELD NECK FLANGE WEIGHT

ANSI ASME B16.47 Series B Class 300 Weld Neck Flange Manufacturer Supplier Distributors
ANSI ASME B16.47 Series B #300 Weld Neck Flange Dimensions
ANSI ASME B16.47 Series B 300lbs Weld Neck Flange Weight Chart

ASME B16.47 Series B Class 300 weld neck flanges are designed for large-diameter, high-pressure piping systems where strength, structural integrity, and leak prevention are paramount. These flanges are characterized by their long tapered hub and smooth transition from flange to pipe, reducing stress concentrations and improving durability under cyclic loading. Tesco Steel & Engineering manufactures high-performance Series B Class 300 weld neck flanges that meet rigorous ASME specifications and offer reliable performance in critical applications.


Tesco Steel & Engineering is renowned for its superior manufacturing capabilities, consistently delivering top-quality weld neck flanges with precise tolerances, uniform dimensions, and exceptional surface finishes. Our flanges are fabricated using premium grades of stainless steel, carbon steel, and alloy steel to suit varying project requirements. Whether used in offshore drilling, power plants, or chemical refineries, our ASME B16.47 flanges are trusted by professionals for their long service life and flawless performance.


We proudly export ASME B16.47 Series B Class 300 weld neck flanges to clients across the United States, Canada, Germany, Italy, Saudi Arabia, Oman, and the UAE. Our products are widely used across industries such as oil & gas, water treatment, petrochemical, and shipbuilding. Tesco Steel & Engineering continues to lead the market with its commitment to quality, global logistics support, and engineering expertise, making us the preferred flange supplier for both Western and Middle Eastern infrastructure projects.


Series B Class 300 Weld Neck Flange Dimensions as per ASME B16.47


ANSI/ASME B16.47 Series B Class 300 Weld Neck Flange Dimensions

NPS OD D B H A G K L No of
Bolts
Stud Bolt
Dia x L
26 665.2 865 89 169.6 702737 803.3 34.9 32 1.1/4 260
28 716 920 89 149.6 756787 857.2 34.9 36 1.1/4 260
30 768.4 990 93.7 157.6 813845 920.8 38.1 36 1.3/8 273
32 819.2 1055 103.2 168.6 864902 977.9 41.3 32 1.1/2 298
34 870 1110 103.2 172.6 918953 1031.9 41.3 36 1.1/2 298
36 920.8 1170 103.2 180.6 9651010 1089 44.5 32 1.3/8 305
38 971.6 1220 111.2 191.6 10161060 1139.8 44.5 36 1.3/8 324
40 1022.4 1275 115.9 198.6 10671114 1190.6 44.5 40 1.5/8 330
42 1074.7 1335 119.1 204.6 11181168 1244.6 47.6 36 1.3/4 343
44 1125.5 1385 127.1 214.6 11731219 1295.4 47.6 40 1.3/4 362
46 1176.3 1460 128.6 222.6 12291270 1365.2 50.8 36 1.7/8 368
48 1227.1 1510 128.6 223.6 12781327 1416 50.8 40 1.7/8 368
50 1277.9 1560 138.2 234.6 13301378 1466.8 50.8 44 1.7/8 387
52 1328.7 1615 142.9 242.6 13831429 1517.6 50.8 48 1.7/8 400
54 1379.5 1675 136.6 239.6 14351480 1578 50.8 48 1.7/8 387
56 1430.3 1765 154 268.6 14941537 1651 60.3 36 2.1/4 438
58 1481.1 1825 154 274.6 15481594 1712.9 60.3 40 2.1/4 438
60 1557.3 1880 150.9 271.6 15991651 1763.7 60.3 40 2.1/4 432


Indications..
  • OD = Diameter at Weld Bevel
  • D = Overall Diameter of Flange
  • B = Minimum Thickness of Blind Flange
  • H = Length thru Hub
  • A = Diameter at Base of Hub
  • G = Outside Diameter of Raised Face
  • K = Bolt Circle Diameter
  • L = Diameter of Bolt Holes

Advantages of using ANSI / ASME B16.47 Series B Class 300 Weldneck Flanges


Weldneck flanges offer several advantages over other types of flanges, such as slip-on flanges. Here are some of the benefits of using weldneck flanges:

Superior Strength
Weldneck flanges have a long tapered hub that provides additional strength to the connection between the pipe and the flange. The welding process creates a permanent and durable bond that can withstand high pressure and extreme temperatures.

Versatility in Accommodating Different Pipe Sizes
Weldneck flanges are available in various sizes, making them suitable for use with pipes of different diameters. The flanges can also be used with pipes of different materials, such as stainless steel, carbon steel, and alloy steel.

Secure and Leak-Free Connection
The welding process creates a strong and leak-free connection between the pipe and the flange. This ensures that the piping system is safe and efficient, reducing the risk of leaks and other safety hazards.

Easy to Install and Maintain
Weldneck flanges are relatively easy to install, and the welding process can be completed quickly. The flanges are also easy to maintain, requiring only periodic inspection and maintenance to ensure that they are in good working condition.



Applications of ANSI / ASME B16.47 Series B Class 300 Weldneck Flange


Weldneck flanges are used in various industrial piping applications, including:

Oil and Gas Industry
Weldneck flanges are commonly used in oil and gas piping systems, where they are used to transport crude oil, natural gas, and other petroleum products.

Chemical Processing Industry
Weldneck flanges are used in chemical processing plants to transport various chemicals and materials.

Water Treatment Industry
Weldneck flanges are used in water treatment plants to transport water and other fluids.

Power Generation Industry
Weldneck flanges are used in power generation plants to transport steam, gas, and other fluids.

Price List of Weldneck Flanges


Prices for ANSI / ASME B16.47 Series B Class 300 Weldneck Flanges are very affordable.

Please click on the "Ask for Quote" button or click here to request the updated price list and ready stock information along with your requirement.
TESCO STEEL & ENGINEERING maintains a stock of all standard items and can export them at the best price.



WELD NECK FLANGE ANSI / ASME B16.47


ANSI / ASME B16.47 Series A Class 150 Weld Neck Flange
ANSI / ASME B16.47 Series A Class 300 Weld Neck Flange
ANSI / ASME B16.47 Series A Class 400 Weld Neck Flange
ANSI / ASME B16.47 Series A Class 600 Weld Neck Flange
ANSI / ASME B16.47 Series A Class 900 Weld Neck Flange
ANSI / ASME B16.47 Series B Class 75 Weld Neck Flange
ANSI / ASME B16.47 Series B Class 150 Weld Neck Flange
ANSI / ASME B16.47 Series B Class 300 Weld Neck Flange
ANSI / ASME B16.47 Series B Class 400 Weld Neck Flange
ANSI / ASME B16.47 Series B Class 600 Weld Neck Flange
ANSI / ASME B16.47 Series B Class 900 Weld Neck Flange


Countries we export to: ANSI ASME B16.47 Series B Class 300 Weld Neck Flanges Manufacturers / Suppliers / Stockist in Kuwait, in UAE, in Germany, Saudi Arabia, West Africa, Iraq, Congo, Mexico, Bahra, Canada, Philippes, Thailand, Kenya, Oman, Malaysia, Turkey, Qatar, Sudan, Netherlands, Oman, Nigeria, Lithuania, Gabon, Russia, Vietnam, Angola, Bolivia, Indonesia, UK, Yemen, Italy, United States, Venezuela, Spain, Iran, Estonia, Kazakhstan, Algeria, Jordan, Ecuador, Portugal, Colombia, Libya, Chile, Peru, Iran, South Africa, Bangkok, Namibia, Jeddah, Afghanistan, Israel, Zambia, Macau, Morocco, Denmark, Taiwan, Norway, Belarus, North Macedonia, Lebanon, Sri Lanka, Bhutan, Bulgaria, Albania, Ukrae, Belgium, Fland, Slovokia, Tibet, Romania, France, Brazil, Tridad & Tobago, Fiji, Tunisia, Gambia, Mexico, Hungary, Zimbabwe, Mongolia, Ghana, Egypt, Kazakhstan, Czech Republic, Azerbaijan, Poland, Greece, Costa Rica, Kosovo, New Zealand, Croatia, Puerto Rico, Tanzania, Somalia.

Domestic: ASME B16.47 Series B CLass 300 Weld Neck Flanges Manufacturers / Suppliers / Stockist in Moscow, Port-Of-Spain, Seoul, Montreal, Dubai, Kuala Lumpur, Aberdeen, Tehran, Bogota, Petaling Jaya, Melbourne, Abu Dhabi, Courbevoie, Edmonton, Ho Chi Minh City, Bangkok, Toronto, Muscat, Milan, Busan, Mexico City, Perth, La Victoria, Santiago, Rio de Janeiro, London, Karachi, Los Angeles, Manama, Geoje-si, Atyrau, Sydney, Riyadh, New York, Jeddah, Houston, Granada, Jakarta, Brisbane, Algiers, Kuwait City, Dubai, Hanoi, Doha, Al Jubail, Chiyoda, Cairo, Gimhae-si, Caracas, Lagos, Al Khobar, Madrid, Singapore, Calgary, Colombo, Ulsan, Istanbul, Ahvaz, Dammam, Dallas, Texas, Ankara, Sharjah, Vung Tau, Angola, Benin, Burundi, Botswana, Burkina Faso, Cameroon, Douala, Central African Republic, Republic of Congo, Democratic Republic of Congo, Côte d'Ivoire, Djibouti, Eritrea, Ethiopia, Equatorial Guinea, Gabon, Guinea, Kenya, Liberia,Malawi, Mali, Mauritania, Mauritius, Casablanca-Settat, Tanger-Tetouan-Al Hoceima, Fès-Meknès, Marrakesh-Safi, Oriental, Béni Mellal-Khénifra, Souss-Massa, Laâyoune-Sakia El Hamra, Rabat-Salé-Kénitra region, Mozambique, Temara, Niger, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Bangkok, Bangchan, Khlong Sam Wa, Gemopolis, Lard Krabang, Pathumthani, Bangkadi, Navanakorn, Samut Prakarn, Bangplee, Bangpoo, Saraburi, Nongkhae, SIL I/Land, Chachoengsao, 304 I/P, Gateway City, Wellgrow, Rayong, Amata City, Eastern Seaboard, Hemaraj Eastern Seaboard, Rojana, Soam Eastern, Chonburi, Amata Nakorn, Hemaraj Chonburi, Pinthong, Ayutthaya, Bangpa-in, Saha Ratna Nakorn, Nakornratchasima, Kabinburi, Prachinburi, HCMC, Tan Thuan Export Processing Zone, Bien Hoa, Dong Nai Province, Amata City Bien Hoa Industrial Park, Long Binh Techno Park, Binh Duong Province, Vietnam Singapore Industrial Park, My Phuoc Industrial Park, Ho Nai Industrial Zone, Bau Xeo Industrial Park, Long Thanh Industrial Zone, Long Duc Industrial Park, Duc Hao I, Tan Huong, Long Jiang, Tra Noc I/II, Hung Phu I, Hiep Phuoc Industrial Park, Phuoc Dong Industrial Park, Dinh Vu – Cat Hai Economic Zone.