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Routing a water pipe around an obstacle or changing direction at a 45° angle without the right fitting means improvised joints that leak, crack, or restrict flow. Plumbers, irrigation contractors, and DIY builders who need a clean, reliable 45° directional change in a PVC pipe run rely on a fitting that bonds permanently and holds its angle under pressure. These black PVC 45° elbow plumbing fittings deliver exactly that across a wide range of pipe sizes.
Each elbow is injection-molded from rigid black PVC with a smooth internal bore and two equal-diameter socket ends for solvent-weld installation. Available in nine nominal sizes: 20mm (~0.79 in), 25mm (~0.98 in), 32mm (~1.26 in), 40mm (~1.57 in), 50mm (~1.97 in), 63mm (~2.48 in), 75mm (~2.95 in), 90mm (~3.54 in), and 110mm (~4.33 in). The black finish provides UV resistance for above-ground and exposed outdoor installations.
Typical applications include garden and agricultural irrigation laterals where a 45° turn routes water around raised beds or structures, residential cold-water supply lines where a pipe must change direction within a wall cavity, and outdoor water feature or pond plumbing where black pipe blends visually with the surroundings — a common search for black PVC 45 degree elbow 50mm irrigation or black PVC coupling elbow 110mm plumbing.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Color | Black |
| Bend Angle | 45° |
| Nominal Size Options | 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm |
| Connection Type | Solvent-weld socket (both ends) |
| Application | Water supply, irrigation, drainage, outdoor plumbing |
| UV Resistance | Yes (black PVC) |
| Wall Thickness | See variant options |
| Pressure Rating | See variant options |
| Pack Quantity | 1, 2, 3, 4, 10, 20, or 50 pcs (see variant options) |
Match the fitting’s nominal size to the outside diameter of your PVC pipe. For example, a 20mm elbow fits 20mm OD pipe, a 50mm elbow fits 50mm OD pipe, and so on. If you are unsure, measure the outside diameter of your existing pipe with calipers before ordering.
A 45° elbow creates a more gradual directional change than a 90° elbow, which reduces turbulence, pressure drop, and the risk of flow restriction at the bend. It is the preferred choice for longer pipe runs where maintaining flow velocity matters, such as irrigation mains or water supply lines.
Yes. Black PVC contains carbon black pigment that absorbs UV radiation and prevents the polymer degradation that causes white or grey PVC to become brittle over time in direct sunlight. Black PVC fittings are therefore a practical choice for exposed outdoor installations.
These fittings are designed for water pipe applications including supply, irrigation, and drainage. For pressurized supply lines, confirm the fitting’s pressure rating matches your system’s working pressure. For gravity drainage, the 45° angle is a standard choice for directional changes in drain runs.
Clean and dry both the pipe end and the fitting socket. Apply PVC primer to both surfaces, then coat both with PVC solvent cement. Push the pipe firmly into the socket with a slight twisting motion and hold for 30 seconds. Allow the joint to cure fully per the cement manufacturer’s instructions before pressurizing the system.
Count the number of 45° direction changes in your pipe layout and add 10–15% extra for cutting errors or future repairs. The 10, 20, and 50-piece packs offer a lower per-unit cost for larger projects or trade use.
PVC does not rust or corrode and is resistant to most household water chemicals, chlorine, fertilizers, and mild acids or alkalis. This makes it suitable for potable water, irrigation, and chemical dosing applications where metal fittings would corrode over time.
