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ANSI ASME CLASS 900 BLIND FLANGES

ANSI ASME B16.5 CLASS 900 BLIND FLANGE DIMENSIONS, ANSI ASME B16.5 CLASS 900 BLIND FLANGE BOLT CHART, ANSI ASME B16.5 CLASS 900 BLIND FLANGE WEIGHT

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ANSI ASME B16.5 Class #900 Blind Flange Weight
ANSI ASME B16.5 Class 900psi Blind Flange Bolt Chart

ASME B16.5 Class 900 Blind Flanges are designed to withstand extremely high-pressure applications, making them a vital component in critical piping systems. Also referred to as BLRF #900, BLFF #900, or Blank Flanges #900, these flanges are primarily used to seal the ends of pipelines, valves, or pressure vessel openings where flow needs to be completely stopped. At Tesco Steel & Engineering, we manufacture these flanges with superior precision, durability, and performance, ensuring they meet the highest international standards for reliability in challenging environments.


Our class 900 blind flanges are widely supplied to industries such as oil & gas, chemical processing, petrochemicals, refineries, shipbuilding, and power generation. We are proud exporters to countries including the USA, UK, Germany, Italy, Saudi Arabia, UAE, and Oman, delivering flanges that perform efficiently even under extreme conditions. These flanges are especially valued in projects requiring high safety standards and leak-proof operation across Western and Middle Eastern industrial markets.


Manufactured at our state-of-the-art Mumbai factory, which is equipped with advanced technology and modern quality control systems, our blind flanges stand out for their unmatched quality and long service life. At Tesco Steel & Engineering, we are committed to providing premium-grade ASME B16.5 Class 900 blind flanges that are trusted by engineers and project managers worldwide for critical operations. The superior craftsmanship, coupled with rigorous testing, makes our flanges the ideal choice for industries that cannot compromise on safety or reliability.

Class 900 Blind Flange Dimensions as per ASME B16.5

ANSI ASME Class 900 Blind flanges
Size in Inch Size in mm Outer Dia. Flange Thick. RF Dia. RF Height PCD No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E
1/2 15 120 22.3 34.9 7 82.6 4 3/4 110 7/8 M20 1.8
3/4 20 130 25.4 42.9 7 88.9 4 3/4 115 7/8 M20 2.7
1 25 150 28.6 50.8 7 101.6 4 7/8 125 1 M24 3.6
1 1/4 32 160 28.6 63.5 7 111.1 4 7/8 125 1 M24 4.1
1 1/2 40 180 31.8 73 7 123.8 4 1 140 1 1/8 M27 5.9
2 50 215 38.1 92.1 7 165.1 8 7/8 145 1 M24 10.1
2 1/2 65 245 41.3 104.8 7 190.5 8 1 160 1 1/8 M27 16
3 80 240 38.1 127 7 190.5 8 7/8 145 1 M24 13
4 100 290 44.5 157.2 7 235 8 1 1/8 170 1 1/4 M30 24.5
5 125 350 50.8 185.7 7 279.4 8 1 1/4 190 1 3/8 M33 39.5
6 150 380 55.6 215.9 7 317.5 12 1 1/8 190 1 1/4 M30 53
8 200 470 63.5 269.9 7 393.7 12 1 3/8 220 1 1/2 M36 91
10 250 545 69.9 323.8 7 469.9 16 1 3/8 235 1 1/2 M36 132
12 300 610 79.4 381 7 533.4 20 1 3/8 255 1 1/2 M36 189
14 350 640 85.8 412.8 7 558.8 20 1 1/2 275 1 5/8 M39 237
16 400 705 88.9 469.9 7 616 20 1 5/8 285 1 3/4 M42 273
18 450 785 101.6 533.4 7 685.8 20 1 7/8 325 2 M48 367
20 500 855 108 584.2 7 749.3 20 2 350 2 1/8 M52 463
24 600 1040 139.7 692.2 7 901.7 20 2 1/2 440 2 5/8 M64 875



Advantages of Using ANSI / ASME Class 900 Blind Flanges

Blind flanges offer several advantages over other types of flanges. These include:

Prevention of Leaks
Blind flanges are used to seal the end of a pipe or valve, preventing the flow of fluids or gases. This helps to prevent leaks and ensures that the system remains safe and efficient.

Easy Inspection and Maintenance
Blind flanges can be easily removed for inspection or maintenance. This helps to ensure that the system is working properly and that any issues can be addressed quickly and easily.

Flexibility
Blind flanges are available in a variety of materials and types, making them flexible and adaptable to different applications.

Cost-Effective
Blind flanges are generally more cost-effective than other types of flanges, making them a popular choice for many applications.

Applications of ANSI / ASME Class 900 Blind Flanges

Blind flanges are used in a wide range of applications, including:

Oil and Gas
Blind flanges are used in oil and gas applications to cap off pipes or valves. They are also used for inspection and maintenance purposes.

Chemical Processing
Blind flanges are used in chemical processing to seal off pipes or valves. They are also used for inspection and maintenance purposes.

Power Generation
Blind flanges are used in power generation to seal off pipes or valves. They are also used for inspection and maintenance purposes.

Food and Beverage Processing
Blind flanges are used in food and beverage processing to seal off pipes or valves. They are also used for inspection and maintenance purposes.

Pharmaceutical
Blind flanges are used in pharmaceuticals to seal off pipes or valves. They are also used for inspection and maintenance purposes.

Price List of Blind Flanges

Prices for ANSI / ASME Class 900 Blind 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.

ANSI / ASME BLIND FLANGE

ANSI / ASME Class 150 Blind Flange
ANSI / ASME Class 300 Blind Flange
ANSI / ASME Class 400 Blind Flange
ANSI / ASME Class 600 Blind Flange
ANSI / ASME Class 900 Blind Flange
ANSI / ASME Class 1500 Blind Flange
ANSI / ASME Class 2500 Blind Flange


Countries we export to: ASME B16.5 Class 900 Blind 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.

Major Exporting Areas: ANSI B16.5 #900 Blind 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.