AstroForge Fitting Industries delivers precision-engineered fasteners built for strength, reliability, and extreme industrial environments.

Square Flange

Square Flange Manufacturer & Supplier – AstroForge Fitting Industries

AstroForge Fitting Industries is a trusted name in the manufacturing and supply of premium-quality Square Flanges. Our flanges are engineered for high performance, durability, and reliability across diverse industrial applications. Whether for piping systems, machinery, or high-pressure applications, our square flanges ensure secure connections and optimal functionality.

What is a Square Flange?

A Square Flange is a specialized flange type designed for bolted connections in hydraulic systems, piping networks, and structural applications. It features a square shape rather than the conventional round design, providing enhanced stability and easy alignment during installation. These flanges are widely used in industries such as oil & gas, petrochemicals, power plants, water treatment, and more.

Flange Sizes & Specifications

At AstroForge Fitting Industries, we manufacture Square Flanges in a wide range of sizes and specifications to meet global industrial standards.

  • Flange Size: ½” (15 NB) to 48” (1200 NB)
  • Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, and more.
  • Pressure Ratings: Available in various pressure classes to meet specific industrial requirements.

Flange Standards & Types

Our Square Flanges comply with various international standards, ensuring compatibility and reliability in different applications.

DIN Standard Flanges:

We manufacture Square Flanges adhering to DIN (Deutsches Institut für Normung) standards, ensuring quality and precision. Our DIN flange range includes:

  • DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656

  • DIN2627, DIN2628, DIN2629, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635

  • DIN2636, DIN2637, DIN2638, DIN2673

BS Standard Flanges:

Our BS Standard Flanges conform to British Standards (BS), making them suitable for a variety of industrial systems. Available standards include:

  • BS4504, BS1560, BS10

ANSI Standard Flanges:

Our Square Flanges also meet ANSI B16.5 specifications, making them ideal for piping systems requiring high durability and pressure resistance.

Why Choose AstroForge Fitting Industries?

  • Premium-Quality Materials: Manufactured using high-grade raw materials to ensure superior strength, corrosion resistance, and longevity.

  • Precision Engineering: Designed and manufactured with precision to meet stringent quality standards.

  • Custom Fabrication: We provide customized solutions to meet specific client requirements.

  • Global Supply Network: We cater to industries worldwide with reliable and timely deliveries.

  • Competitive Pricing: High-quality products at cost-effective rates without compromising quality.

Applications of Square Flanges

Our Square Flanges are widely used in industries such as:

  • Oil & Gas Pipelines
  • Petrochemical Industries
  • Power Generation Plants
  • Water Treatment & Distribution
  • Hydraulic & Pneumatic Systems
  • Structural & Mechanical Applications

Order High-Quality Square Flanges Today!

If you’re looking for reliable Square Flange Manufacturers & Suppliers, AstroForge Fitting Industries is your one-stop solution. With our commitment to quality, precision, and customer satisfaction, we deliver the best flanges for your industrial needs.

Contact us today for customized solutions, bulk orders, or technical assistance. Our expert team is always ready to help you find the perfect Square Flange for your application!

Square Flanges – Product Specifics

Parameter Specification
Product Name Square Flanges
Flange Type Four-Bolt Square Pipe Flanges
Primary Function Square Flanges designed for mechanical connections in hydraulic, industrial, and structural piping systems
Design Feature Square-shaped body with four equally spaced bolt holes for stable mounting
Connection Type Bolted Square Flanges with gasket sealing or O-ring groove (depending on design)
Manufacturing Standards ANSI Square Flanges, DIN Square Flanges, ISO Standard Square Flanges (as per application requirements)
Pressure Ratings Low to High Pressure Square Flanges depending on material grade and thickness
Size Range ½” NB to 24” NB Square Flanges (custom sizes available)
Facing Options Flat Face Square Flanges, O-Ring Groove Square Flanges
Carbon Steel Square Flanges ASTM A105 Square Flanges, IS 2062 Square Flanges
Stainless Steel Square Flanges ASTM A182 F304 Square Flanges, ASTM A182 F316 Square Flanges
Alloy Steel Square Flanges ASTM A182 F11 Square Flanges, ASTM A182 F22 Square Flanges
Special Alloy Square Flanges Duplex Square Flanges, Super Duplex Square Flanges, Nickel Alloy Square Flanges
Dimensional Features Square Flanges Outside Dimensions, Bolt Hole Spacing, Bolt Hole Diameter, Flange Thickness, Bore Diameter
Surface Finish Machined Face Square Flanges, Smooth Finish Square Flanges
Testing & Inspection Visual Inspection, Dimensional Inspection, PMI Testing, Hydrostatic Testing (if required), Third-Party Inspection for Square Flanges
Surface Protection Anti-Rust Oil Coated Square Flanges, Black Painted Square Flanges, Galvanized Square Flanges
Operating Conditions Suitable for hydraulic systems, mechanical equipment connections, and medium-pressure service
Applications Hydraulic Square Flanges, Pump Connection Square Flanges, Valve Mounting Square Flanges, Industrial Machinery Square Flanges
Key Advantages Compact mounting design, Strong structural stability, Easy bolt alignment, Suitable for confined installation spaces

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FAQs - Square Flange

A Square Flange connects pipes in hydraulic, pneumatic, and industrial systems, offering strong, leak-proof joints with better stability, alignment, and pressure-handling capacity.

Unlike round flanges, Square Flanges feature a four-sided shape, ensuring easy bolted alignment, better support, and secure connections for pipelines and machinery applications.

AstroForge manufactures Square Flanges in sizes from ½” (15 NB) up to 48” (1200 NB), catering to small, medium, and large industrial pipeline systems.

We use stainless steel, carbon steel, alloy steel, and duplex steel, ensuring durability, strength, and corrosion resistance for various industrial and environmental conditions.

Our Square Flanges meet international standards including DIN, BS, and ANSI B16.5, ensuring global compatibility, dimensional accuracy, and high-quality performance across applications.

They’re widely used in oil and gas, petrochemical, water treatment, hydraulic systems, power plants, and structural applications requiring safe, strong, and long-lasting flange connections.

Square Flanges provide reliable, secure, and leak-proof bolted joints, making them perfect for hydraulic and pneumatic systems handling high-pressure fluid flow efficiently.

Yes, they’re engineered to withstand varying pressure ratings, making them suitable for heavy-duty applications involving high-pressure pipelines, machinery, and industrial systems.

AstroForge provides premium-quality Square Flanges with precision engineering, global standard compliance, customization, competitive pricing, and reliable worldwide delivery, ensuring customer satisfaction and long-term trust.

Industries can contact AstroForge directly for inquiries, bulk orders, or customized solutions. Our expert team ensures timely support, technical guidance, and high-quality product delivery.