Manufacturer,Stockist and Exporter of ANSI B16.47 Series A Blind Flange

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ANSI B16.47 Series A Blind Flange is a critical piping component used primarily to close the ends of large-diameter piping systems, especially in high-pressure and high-temperature applications. These flanges are designed as per the ANSI B16.47 Series A standard, which covers flanges ranging from 26 inches to 60 inches in diameter. Series A flanges, formerly known as MSS SP-44 flanges, are characterized by thicker dimensions and more robust bolting patterns compared to Series B, making them suitable for high-stress environments. They are widely used in industries such as oil & gas, petrochemicals, power generation, and water treatment.

Raj Bhoomi Engineers is a reputed manufacturer, stockist, and exporter of high-quality ANSI B16.47 Series A Blind Flanges. With a strong engineering background and years of manufacturing expertise, the company ensures precision-engineered flanges that comply with global standards. These flanges are manufactured using premium raw materials such as carbon steel, stainless steel, and alloy steel, and are available in various pressure classes, face types, and coatings. Raj Bhoomi Engineers also provides custom machining solutions to meet specific client requirements.

As a global exporter, Raj Bhoomi Engineers has successfully delivered ANSI B16.47 Series A Blind Flanges to countries like Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, the USA, Canada, and numerous African regions. The company’s commitment to quality, on-time delivery, and competitive pricing has earned it a strong client base across key international markets. All flanges are supplied with necessary certifications and test reports, ensuring full compliance with industry norms and client specifications.

The ANSI B16.47 Series A Blind Flange is typically used to isolate sections of a piping system or to facilitate future expansions and testing. Its design allows it to withstand high pressure without deformation or leakage. The flanges can be supplied with different face types such as Raised Face (RF), Ring Type Joint (RTJ), and Flat Face (FF), depending on the application. Surface treatments like black paint, galvanizing, or epoxy coating further enhance their resistance to corrosion and environmental wear.

Specification of ANSI B16.47 Series A Blind Flange

Specification	Details
Product Name	ANSI B16.47 Series A Blind Flange
Standard	ANSI/ASME B16.47 Series A (formerly MSS SP-44)
Flange Type	Blind Flange (BL)
Size Range	26” to 60” (DN 650 to DN 1500)
Pressure Class	Class 75, 150, 300, 400, 600
Material Grades	ASTM A105 (Carbon Steel), A350 LF2, A182 F304/F316, A516 Gr.70, etc.
Face Type	Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF)
Drilling Type	ASME B16.47 Series A bolt hole configuration
Design Type	Forged, Machined, and Custom Drilled
Coating/Finish Options	Black Paint, Anti-Rust Oil, Hot-Dip Galvanized, Epoxy Coated
Manufacturing Process	Forging, Heat Treatment, CNC Machining
Testing & Certification	MTC as per EN 10204 3.1/3.2, Hydro Test, PMI, UT, RT (as required)
Application Industries	Oil & Gas, Petrochemical, Power Plants, Water Systems, Marine, etc.
Manufacturer / Exporter	Raj Bhoomi Engineers
Export Destinations	Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, USA, Canada, Africa, Worldwide

Raj Bhoomi Engineers also keeps a comprehensive inventory of standard and non-standard sizes, which allows for rapid delivery of bulk and urgent orders. Their in-house testing facilities include hydro testing, ultrasonic testing, and positive material identification (PMI), which ensures the reliability and performance of every flange delivered. The company's flanges are widely used in pipeline construction, refinery projects, marine systems, and industrial processing units around the world.

For anyone seeking a trusted supplier of ANSI B16.47 Series A Blind Flanges, Raj Bhoomi Engineers offers the perfect blend of quality, customization, and global logistics support. Their deep industry experience, modern manufacturing capabilities, and adherence to international standards make them a preferred choice among EPC contractors, industrial buyers, and project managers globally.

ANSI B16.47 Series A 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)

ANSI B16.47 Series A Blind Flange Mechanical Properties

Mechanical Property	Value
Tensile Strength	≥ 485 MPa (70,000 psi)
Yield Strength	≥ 250 MPa (36,000 psi)
Elongation (in 2")	≥ 22%
Reduction of Area	≥ 30%
Hardness (Brinell)	≤ 187 HBW
Impact Toughness	As per client spec (typically on request)
Testing Temperature	Room Temperature (unless otherwise specified)

Features of ANSI B16.47 Series A 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 ANSI B16.47 Series A 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

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Countries we have exported our products to:

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