Manufacturer,Stockist and Exporter of A105 High Pressure Blind Flange

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A105 High Pressure Blind Flange is a key component used to seal the ends of piping systems, pressure vessels, or valves, particularly in high-pressure environments. Manufactured from ASTM A105 carbon steel, these blind flanges are known for their strength, durability, and excellent pressure-handling capacity. They are commonly used in oil & gas, petrochemical, power generation, and other process industries where the integrity of sealed systems is critical for safety and operational efficiency.

Raj Bhoomi Engineers is a leading manufacturer, stockist, and exporter of A105 High Pressure Blind Flanges, supplying both standard and custom solutions to meet international engineering requirements. With advanced manufacturing facilities and stringent quality controls, the company ensures that each blind flange offers a secure and leak-proof seal even under extreme pressure and temperature conditions.

The company has established a strong distribution network in the Middle East, including Oman, Qatar, Saudi Arabia, UAE, and Kuwait, where the energy and infrastructure sectors demand high-performance flange solutions. Additionally, Raj Bhoomi Engineers caters to industrial markets in Spain, Germany, and across North America—notably the USA and Canada—along with a growing client base in various regions of Africa and other parts of the world.

A105 High Pressure Blind Flanges are typically supplied in pressure classes ranging from 150 to 2500, with various face types such as raised face (RF), flat face (FF), and ring type joint (RTJ), depending on the application. Raj Bhoomi Engineers offers a wide range of sizes and thicknesses, with precise machining and finishes that meet global standards like ASME B16.5, B16.47, and DIN norms. The company also provides third-party inspection and certification upon request.

Specification of A105 High Pressure Blind Flange

Specification	Details
Material Grade	ASTM A105 (Carbon Steel)
Flange Type	Heat Exchanger Flange
Standard	ASME B16.5, ASME B16.47, ANSI, DIN, EN, BS
Size Range	½” to 48” (DN15 – DN1200)
Pressure Ratings (Class)	150, 300, 400, 600, 900, 1500, 2500
Face Type	Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Connection Type	Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint
Application	Heat exchangers in oil & gas, petrochemical, power plants, and refineries
Temperature Range	Up to 593°C (1100°F)
Finish	Black paint, anti-rust oil, galvanized, or as per customer requirement
Testing & Certification	Hydrostatic test, NDT, MTC (EN 10204 3.1/3.2), PMI, IBR/Third-party approved
Manufacturing Standards	Forged / Machined to tight dimensional tolerances
Compliance	NACE MR0175 / ISO 15156 (for sour service if required)

Customers choose Raj Bhoomi Engineers not only for the quality and reliability of its A105 High Pressure Blind Flanges but also for its responsiveness, on-time delivery, and commitment to meeting project deadlines. Whether it’s for pipeline shutdowns, plant upgrades, or new installations, clients around the world trust the company for consistent product performance and engineering support.

With a mission to provide dependable piping solutions globally, Raj Bhoomi Engineers continues to strengthen its reputation as a trusted supplier of A105 High Pressure Blind Flanges, helping industries operate safely and efficiently in high-pressure environments.

A105 High Pressure 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 High Pressure Blind Flange Mechanical Properties

Property	Value
Tensile Strength	485 MPa (70 ksi) minimum
Yield Strength	250 MPa (36 ksi) minimum
Elongation (%)	22% minimum in 50 mm (2 in.)
Reduction of Area	30% minimum
Hardness (Brinell HBW)	187 max
Impact Toughness	Optional (as per ASME or client specs)
Modulus of Elasticity	~200 GPa (29,000 ksi)
Density	~7.85 g/cm³
Service Temperature	Up to 593°C (1100°F)

Features of A105 High Pressure 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 High Pressure 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 High Pressure Blind Flange

1. What is an A105 High Pressure Blind Flange?

An A105 High Pressure Blind Flange is a solid carbon steel flange, made from ASTM A105 material, designed to close the ends of piping systems or pressure vessels that operate under very high pressures.

2.How is a high pressure blind flange different from a standard blind flange?

High pressure blind flanges are manufactured with greater thickness, strength, and pressure-bearing capacity compared to standard blind flanges, making them suitable for extreme service conditions.

3. In which industries are A105 High Pressure Blind Flanges commonly used?

They are used in oil & gas, petrochemical, power generation, offshore drilling, and chemical industries where pipelines and equipment must withstand very high operating pressures.

4. What pressure ratings are available for A105 High Pressure Blind Flanges?

They are generally available in higher ASME/ANSI pressure classes such as 600, 900, 1500, and 2500 to meet demanding service requirements.

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Countries we have exported our products to:

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Cities we have supplied our products to:

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