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

A105N BLRF Flange, A105N BLRF Flange, A105 Heat Exchanger Flange, ANSI/ASME B16.47 Series B  Blind Flange, a105 blind flange, A105 Marine Flange,A105N BLRF Flange,ANSI B16.47 Series A Blind Flange

Raj Bhoomi Engineers is a renowned manufacturer, stockist, and exporter of A105 Blind Flanges, delivering reliable piping solutions to clients across the globe. A105 Blind Flanges are made from carbon steel and are primarily used for closing the ends of piping systems or nozzles in high-pressure and high-temperature environments. These flanges are designed in compliance with international standards such as ASME B16.5, making them suitable for a wide range of industrial applications, including oil & gas, petrochemicals, power plants, and water treatment facilities.

The A105 Blind Flange is favored for its excellent mechanical strength, weldability, and durability in high-stress applications. Raj Bhoomi Engineers manufactures these flanges using top-quality raw materials, ensuring that each product meets stringent quality checks and performance standards. The company maintains a broad inventory of A105 blind flanges in sizes ranging from ½” to 48” and pressure ratings from Class 150 to Class 2500. Custom sizes and specifications are also available upon request, making them a trusted partner for project-based and bulk supply requirements.

A105 Blind Flanges

As a stockist, Raj Bhoomi Engineers ensures fast and efficient order fulfillment with ready-to-dispatch inventory. Their warehousing capabilities allow for the immediate availability of A105 blind flanges in various face types such as Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ). This extensive stock, along with their technical expertise and strong logistics support, positions them as a dependable supplier both in India and across international markets.

Raj Bhoomi Engineers is a leading exporter of A105 Blind Flanges, supplying to numerous countries including Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, the USA, Canada, and regions across Africa. With years of experience in the export business, the company understands the complexities of international trade and ensures timely deliveries, proper documentation, and adherence to regional specifications. Their global client base trusts them for high-quality products, competitive pricing, and exceptional customer service.

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Specification of A105 Blind Flange

Parameter Specification
Product Name A105 Blind Flange
Material Grade ASTM A105 (Carbon Steel)
Standard ASME B16.5, ASME B16.47, ANSI, MSS SP-44
Size Range ½” to 48” (DN15 to DN1200)
Pressure Class Class 150, 300, 600, 900, 1500, 2500
Facing Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Type Blind Flange (no bore)
End Connection Bolted (no welding neck)
Surface Finish Smooth finish, CNC machined, Black Painted or Rust Preventive Oil Coated
Applications Oil & Gas, Petrochemical, Power Plants, Water Treatment, Marine, Construction
Manufactured By Raj Bhoomi Engineers – Manufacturer, Stockist, Exporter
Export Destinations Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, USA, Canada, Africa, Worldwide
Testing & Certification EN 10204 3.1 / 3.2, Hydro Test, Ultrasonic Test, PMI Test


The company places a strong emphasis on quality assurance, providing full traceability and certifications such as EN 10204 3.1/3.2, and testing reports for mechanical and chemical properties. Raj Bhoomi Engineers’ A105 Blind Flanges are tested for pressure handling, corrosion resistance, and dimensional accuracy, ensuring reliable performance in critical installations.
Raj Bhoomi Engineers stands out in the global market as a premier source for A105 Blind Flanges, combining manufacturing excellence, extensive stock, and worldwide export capabilities. Their commitment to quality, service, and innovation continues to drive their growth and reputation as a leading name in the piping and flange industry.

A105 Blind Flange Chemical Properties

Element Composition (%) – ASTM A105
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 Mechanical Properties

Property Value Unit Notes
Tensile Strength 485 min MPa Minimum required for ASTM A105
Yield Strength 250 min MPa At 0.2% offset
Elongation 22 min % (in 50 mm) Indicates ductility
Reduction of Area 30 min % Typical value
Hardness (Brinell) 143–187 HB Recommended range for good machinability
Impact Toughness Good at room temperature — Not specified in ASTM A105 but generally acceptable
Heat Treatment Normalized (if required) — For improved strength and toughness

Features of A105 Blind Flange

  • 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

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

FAQs – A105 Oil and Gas Blind Flange

1. What is an A105 Oil and Gas Blind Flange?

An A105 blind flange is a type of carbon steel flange used to seal the end of a piping system in oil and gas applications.

2. Where is an A105 Blind Flange used?

It is commonly used in oil refineries, petrochemical plants, and offshore platforms where a temporary or permanent seal is required.

3. What are the benefits of A105 Blind Flanges?

They provide excellent strength, durability, and resistance to high pressure and temperature, making them ideal for oil and gas industries.

4. What sizes are available for A105 Blind Flanges?

They are available in a wide range of sizes, typically from ½ inch to 48 inches, with various pressure ratings such as 150, 300, 600, and higher.


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Countries we have exported our products to:

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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