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When your plumbing, irrigation, or structural pipe run needs a rock-solid anchor point, a loose or mismatched flange creates leaks, wobble, and costly rework. DIYers, plumbers, and contractors who work with PVC pipe systems need a floor flange that seats flush, bonds cleanly, and holds up to daily stress — whether it's a drain stack, a handrail post base, or a garden water line.
These PVC floor flange pipe fittings are molded from rigid PVC (polyvinyl chloride) in a classic round-base flange profile. Available in White and Grey colorways, they cover a wide diameter range from 20mm (~¾ in) up to 200mm (~8 in), with solvent-weld socket ends sized to match standard PVC pipe OD. The flat mounting base features pre-drilled bolt holes for secure wall or floor attachment.
Typical use cases include anchoring exposed drain pipes to concrete slabs in basement plumbing rough-ins, mounting decorative PVC pipe handrail posts to decking, and securing irrigation risers to raised garden bed frames — all scenarios where a reliable PVC floor flange solvent weld connection eliminates movement and maintains a watertight seal.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Color / Finish | White; Grey |
| Connection Type | Solvent Weld (Socket End) |
| Nominal Pipe Size Range | 20mm – 200mm (~¾ in – ~8 in) |
| Mounting Base | Flat flange with pre-drilled bolt holes |
| Wall Thickness | See variant options |
| Outer Diameter (Flange Base) | See variant options |
| Number of Bolt Holes | See variant options |
| Packing Quantity | 1 Pcs / 3 Pcs / 5 Pcs / 10 Pcs (size-dependent) |
| Application | Plumbing, drainage, irrigation, structural pipe mounting |
| Operating Temperature | Typically 0°C – 60°C (32°F – 140°F) |
| Pressure Rating | See variant options |
Match the flange's nominal size to your pipe's nominal outer diameter. For example, if you're working with 25mm PVC pipe, select the 25mm flange. When in doubt, measure the pipe's outer diameter with calipers and compare to the size listed in the variant options above.
Yes. The socket end is designed for standard PVC solvent cement (CPVC cement is not recommended unless your pipe is CPVC). Clean and prime both surfaces before applying cement for a code-compliant, leak-resistant bond.
Rigid PVC is inherently resistant to moisture, rust, and most household chemicals, making these flanges suitable for outdoor irrigation systems, basement drains, and other wet-area applications. For prolonged UV exposure, consider painting with a UV-resistant paint or selecting a shaded installation location.
Both colors are made from the same rigid PVC material and carry identical structural properties. White is commonly used in residential plumbing and drain applications, while Grey is often associated with conduit and structural pipe systems. Choose the color that matches your existing pipe or aesthetic preference.
The flat flange base with pre-drilled bolt holes distributes load across the mounting surface when properly fastened with appropriate hardware. For structural applications such as handrail post bases, ensure fasteners are rated for the expected load and that the substrate (concrete, wood, etc.) is sound. PVC flanges are not recommended for high-impact or heavy structural loads beyond typical plumbing and light fixture mounting.
Larger diameter flanges (110mm and above) are sold in single-piece quantities only, as their size and weight make multi-pack shipping impractical. Smaller sizes (20mm–63mm) are available in 1, 3, 5, and 10-piece packs so you can stock up for multi-point installations at a lower per-unit cost.
Yes. PVC floor flanges are popular in industrial-style furniture and handrail projects. They provide a stable base for vertical pipe posts when fastened to a solid surface. For decorative use, the White or Grey finish can be painted with plastic-compatible spray paint to match your design scheme.
