Malleable Cast Iron 3 Hole Floor Flanges Quality Pipe Fittings China Factory Suppliers

High strength malleable cast iron 3 hole floor flanges for DIY industrial shelving and furniture. Available in DN15 and DN20 sizes. Sourced from a leading China factory and trusted suppliers, these durable fittings ensure professional stability for any project.

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Product Overview

Our Malleable Cast Iron 3-Hole Floor Flanges are engineered for high-strength stability and versatile application. Specifically designed as a robust base for piping systems, these classic cast iron flanges feature a precision-threaded interior and a three-bolt hole configuration, ensuring a secure and seamless attachment to any flat surface.

Ideal for both industrial infrastructure and creative DIY projects, these floor flanges bridge the gap between structural integrity and aesthetic appeal. Whether you are constructing heavy-duty industrial pipe shelves, custom furniture legs, or wall-mounted racks, our fittings provide the professional-grade reliability required for long-term durability.

Detailed Parameters

Materiaali	Malleable Cast Iron	Tyyppi	Classic Floor Flange
Hole Configuration	3 Bolt Holes	Compatible Pipe Sizes	1/2" and 3/4"
Thread Type	Internal Thread	DN15 Dimensions	6520mm
DN20 Dimensions	7025mm	Unit Weight	Approx. 110g - 130g/pc
Primary Application	Furniture & Shelving	Ominaisuus	High Load Bearing

Key Advantages

Industrial Strength

Crafted from high-grade malleable cast iron to resist deformation and ensure structural rigidity under pressure.

Long-Term Durability

Engineered for longevity with high wear resistance, making them perfect for permanent furniture installations.

Precision Threading

Accurate internal threads ensure a tight, leak-proof, and secure fit for standard 1/2" and 3/4" piping.

Industrial Aesthetic

The classic "Steampunk" look is perfect for modern loft interiors, DIY clothing racks, and rustic shelving.

Easy Installation

The three-hole design provides optimal balance and fast mounting for a variety of surface types.

Versatile Utility

Multi-purpose application ranging from table legs and bookshelves to wall-mounted industrial racks.

Product Gallery

Management Platforms

Inventory Control

Real-time tracking of floor flange stock across various sizes (DN15/DN20).

Quality Assurance

Strict inspection of thread precision and material density for every batch.

Order Fulfillment

Streamlined logistics for rapid delivery of industrial pipe fittings globally.

Customization Hub

Tailored specifications for wholesale orders and specialized industrial needs.

Supply Chain Sync

Integrated sourcing of malleable iron to ensure consistent product quality.

After-Sales Support

Expert technical guidance for DIY furniture installation and load calculations.

Investment Return Comparison

Comparison Factor	Standard Iron Fittings	Our Premium Malleable Flanges
Durability	Moderate	High Impact Resistance
Installation Speed	Vakio	Fast (Optimized 3-Hole Design)
Aesthetic Value	Basic Industrial	Premium Vintage/Loft Look
Load Capacity	Average	Enhanced Structural Support
Maintenance Cost	Periodic Painting	Low Maintenance/Long Life

Frequently Asked Questions

Q: What is the main difference between malleable cast iron and standard cast iron?

Malleable cast iron is heat-treated to remove internal stresses, making it significantly tougher and less brittle than standard cast iron, which is essential for load-bearing pipe fittings.

Q: Which pipe sizes are compatible with these 3-hole floor flanges?

These flanges are specifically designed to fit 1/2" and 3/4" pipe threads, making them compatible with most standard industrial piping and furniture tubes.

Q: Can these be used for outdoor furniture?

Yes, however, for outdoor applications, we recommend applying a rust-resistant coating or paint to protect the iron from moisture and oxidation.

Q: How do I ensure the flange is securely mounted to the wall?

We recommend using heavy-duty screws and wall anchors appropriate for your wall material (drywall, brick, or concrete) through the three provided bolt holes.

Q: What are the common uses for these floor flanges in DIY projects?

Common uses include creating industrial-style bookshelves, clothing racks, table legs, handrails, and decorative wall-mounted shelving units.

Q: Do you provide bulk wholesale options for metal pipe fittings?

Yes, we specialize in large-scale manufacturing of malleable iron fittings and offer competitive pricing for wholesale and B2B orders.