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Manufacturer,Stockist and Exporter of A105 Blind Flange Dimensions
A105 Blind Flange Dimensions
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A105 Blind Flange Dimensions

A105 Blind Flange Dimensions, A105 Blind Flange Dimensions, A105 Heat Exchanger Flange, ANSI/ASME B16.47 Series B  Blind Flange, a105 blind flange, A105 Marine Flange,ASTM A105 Blind Flange,ANSI B16.47 Series A Blind Flange

A105 Blind Flange is a high-performance forged carbon steel component used to seal the ends of piping systems, valves, and pressure vessel openings. These flanges are designed to withstand high pressure and temperature conditions, making them essential in industries like oil & gas, petrochemical, power generation, and water treatment. One of the most trusted names in the manufacturing and supply of A105 Blind Flanges is Raj Bhoomi Engineers, a reputed Indian company recognized for its quality standards and global supply network.

Raj Bhoomi Engineers is a leading manufacturer, stockist, and exporter of ASTM A105 Blind Flanges, producing them in accordance with international standards like ASME B16.5 and ANSI specifications. Their flanges come in a variety of sizes, pressure ratings (Class 150 to Class 2500), and face types such as Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ). Each product undergoes rigorous testing for mechanical strength, chemical composition, dimensional accuracy, and corrosion resistance, ensuring superior performance in demanding applications.

A105 Blind Flange Dimensionss

With a strong manufacturing base and extensive inventory, Raj Bhoomi Engineers supplies A105 Blind Flanges not only to domestic clients but also exports them across the globe. Their international market reach includes key regions such as Oman, Qatar, Saudi Arabia, UAE, Kuwait, and extends to European countries like Spain and Germany, as well as North America (USA and Canada) and multiple African countries. Their reputation for on-time delivery and consistent product quality has made them a reliable global partner.

What sets Raj Bhoomi Engineers apart is their commitment to precision engineering and customer satisfaction. Each A105 Blind Flange is manufactured using high-grade raw materials and advanced forging technologies to meet diverse client specifications. They maintain strict quality control measures, and certifications such as ISO and PED compliance ensure that their products meet global standards.

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Specification of A105 Blind Flange

Specification Details
Material Grade ASTM A105 (Carbon Steel)
Standard ASME B16.5 / ANSI B16.5 / ASTM A105 / DIN / EN / BS
Size Range ½” NB to 48” NB (Nominal Bore)
Pressure Rating (Class) 150#, 300#, 600#, 900#, 1500#, 2500#
Flange Types Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Orifice
Facing Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Connection Type Welded, Thread


Their A105 Blind Flanges are commonly used in piping systems where a secure seal is needed at the end of a pipe or in pressure testing situations. The blind design helps isolate systems for maintenance or inspection without any risk of leakage. With high mechanical strength and excellent weldability, these flanges serve as a dependable choice in both moderate and severe service environments.
Raj Bhoomi Engineers has established itself as a key player in the global supply of A105 Blind Flanges, providing top-quality products with unmatched reliability. Their dedication to engineering excellence and customer-centric service makes them a preferred supplier in both emerging and developed markets around the world. Whether for oil refineries in the Middle East or chemical plants in Europe and North America, Raj Bhoomi Engineers continues to deliver value through its robust flange solutions.

A105 Blind Flange Chemical Properties

Element Composition (%)
Carbon (C) 0.35 max
Manganese (Mn) 0.60 – 1.05
Phosphorus (P) 0.035 max
Sulfur (S) 0.040 max
Silicon (Si) 0.10 – 0.35
Copper (Cu) 0.40 max (if specified)
Nickel (Ni) 0.40 max (if specified)
Chromium (Cr) 0.30 max (if specified)
Molybdenum (Mo) 0.12 max (if specified)
Vanadium (V) 0.08 max (if specified)


A105 Blind Flange Dimensions Mechanical Properties

Property Value Unit Notes
Tensile Strength 485 – 655 MPa Minimum 70 – 95 ksi
Yield Strength (0.2% Offset) ≥ 250 MPa Minimum 36 ksi
Elongation (in 2") ≥ 22 % For standard specimen
Reduction of Area ≥ 30 % May vary depending on test method
Hardness (Brinell) ≤ 187 HB Maximum, as per ASTM A105 specification
Impact Energy (Charpy V-Notch) Not required unless specified – Required only for low-temperature service

A105 Blind Flange Weight Chart

NPS (inches) Class 150 Weight (kg) Class 300 Weight (kg) Class 600 Weight (kg) Class 900 Weight (kg) Class 1500 Weight (kg) Class 2500 Weight (kg)
1/2" 0.6 0.8 1.0 1.3 1.6 2.0
3/4" 0.8 1.1 1.4 1.7 2.0 2.4
1" 1.0 1.5 2.0 2.5 3.2 4.0
1 1/4" 1.4 2.1 2.9 3.6 4.6 5.7
1 1/2" 1.8 2.8 3.8 4.8 6.2 7.7
2" 2.4 3.9 5.3 6.9 9.0 11.2
2 1/2" 3.4 5.3 7.4 9.6 12.5 15.6
3" 4.4 6.8 9.5 12.3 15.9 19.9
4" 6.9 10.3 14.5 18.8 24.2 30.4
5" 9.8 14.7 20.5 26.4 33.9 42.5
6" 12.9 19.6 27.5 35.5 45.7 57.3
8" 21.9 31.5 44.5 57.2 73.3 91.7
10" 34.7 50.2 70.8 90.9 116.5 145.8
12" 47.3 68.4 96.5 124.5 159.2 199.2
14" 63.2 91.3 128.8 166.2 212.5 265.6
16" 81.8 118.1 166.6 215.2 275.4 344.2
18" 101.4 146.6 206.3 266.3 340.5 425.6
20" 123.5 178.7 251.3 324.7 415.5 519.7
24" 188.2 271.4 382.1 494.1 633.3 791.4

Features of A105 Blind Flange Dimensions

  • Healthy, non-toxic, and stain-free
  • High temperature and pressure resistance
  • Hot welding connection
  • Leak prevention
  • Excellent heat insulation
  • Lightweight and easy to transport
  • Smooth inner wall for reduced pressure loss
  • Low noise
  • Suitable for exposed or hidden installation
  • Chemical corrosion resistance

Available Types Of A105 Blind Flange Dimensions

A105 Pressure Vessel Flange Forged A105 Blind Flange
A105 Flange RTJ A105 RF Blind Flange
CS HEAVY BLRF FLANGE ANSI B16.47 Series A Blind Flange
ANSI B16.47 Series B Blind Flange MSS SP-44 A105 Blind Flange
A105 Schedule 160 Blind Flange ANSI/ASME B16.5 Blind Flange
ANSI/ASME B16.47 Series A(MSS SP44) Blind Flanges ANSI/ASME B16.47 Series B  Blind Flange
carbon steel slip on flanges Custom A105 Blind Flange
A105 Forged Oversized Flange A105 XXS Blind Flange

Applications Industry

  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals

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Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands.

Cities we have supplied our products to:

Bengaluru, Vung Tau, Nashik, Jaipur, Navi Mumbai, La Victoria, Al Jubail, Noida, Granada, Doha, Dammam, Ernakulam, Chandigarh, Santiago, Melbourne, Surat, Nagpur, Ranchi, Kanpur, Jakarta, Ahvaz, Indore, Jamshedpur, Muscat, Rajkot, Lahore, Chiyoda, Milan, Hong Kong, Riyadh, Houston, Busan, Calgary, Madrid, Visakhapatnam, Atyrau, Bhopal, Algiers, Colombo, Kolkata, Petaling Jaya, Dallas, London, Cairo, Thiruvananthapuram, Caracas, Howrah, Moscow, Port-of-Spain, Baroda, Mexico City, Gurgaon, Singapore, Aberdeen, Coimbatore, Kuala Lumpur, Perth, Ahmedabad, New York, New Delhi, Manama, Abu Dhabi, Montreal, Jeddah, Pune, Vadodara, Kuwait City, Chennai, Geoje-si, Tehran, Mumbai, Hanoi, Karachi, Pimpri-Chinchwad, Thane, Haryana, Ulsan, Seoul, Dubai, Ho Chi Minh City, Toronto, Hyderabad, Los Angeles, Faridabad, Lagos, Sydney, Courbevoie, Bangkok, Bogota, Rio de Janeiro, Ankara, Al Khobar, Ludhiana, Istanbul, Gimhae-si, Brisbane, Edmonton, Sharjah, Secunderabad.

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