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When your pipe run changes direction and diameter at the same time, a mismatched fitting can cause leaks, pressure drops, or hours of rework. These PVC 90-degree reducing elbow solvent weld fittings are designed for DIY builders, irrigation installers, and workshop plumbers who need a clean, permanent connection between two different pipe sizes at a right angle — without adapters or extra joints.
Each fitting is molded from rigid PVC (polyvinyl chloride) and features two solvent-weld socket ends sized to accept standard metric PVC pipe. Available in sizes ranging from 25×20 mm (~1"×¾") up to 110×90 mm (~4⅓"×3½"), with color options in White, Blue, and Gray to match your existing pipework or color-code your system. Wall thickness and socket depth are proportional to pipe diameter across all sizes.
Typical applications include residential garden irrigation systems where a main 50 mm line reduces to a 25 mm branch, workshop drainage runs that change direction under a bench, and DIY rainwater harvesting setups that step down from a 75 mm downpipe to a 50 mm distribution line. The solvent-weld bond creates a joint as strong as the pipe itself, making these fittings suitable for low-pressure water supply and gravity drainage alike.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Fitting Type | 90° Reducing Elbow, Solvent Weld (Klebemuffe) |
| Connection Method | Solvent cement socket (both ends) |
| Size Range | 25×20 mm to 110×90 mm (see variant options) |
| Color Options | White (Weiß), Blue (Blau), Gray (Grau) |
| Wall Thickness | See variant options |
| Pressure Rating | Suitable for low-pressure cold water and gravity drainage |
| Temperature Range | Typically 0–60 °C (32–140 °F) for cold water service |
| Quantity per Pack | 1 / 2 / 5 / 10 pieces (see variant options) |
| Solvent Cement | Not included; standard PVC solvent cement required |
Measure the outer diameter (OD) of both pipes you need to connect. The larger socket end should match the OD of your main pipe, and the smaller socket end should match the OD of your branch or reduced pipe. For example, a 50×25 mm elbow connects a 50 mm main line to a 25 mm branch at a 90° angle. If you are unsure, contact us to confirm before ordering.
Use a standard PVC solvent cement (also called PVC glue or solvent weld adhesive) rated for the pipe pressure class you are working with. Apply primer first if required by your local plumbing code. Follow the cement manufacturer's cure time before pressurizing the system — typically 15–30 minutes for initial set and 24 hours for full cure.
These fittings are made from rigid PVC and are intended for cold water supply, irrigation, and gravity drainage applications. Rigid PVC is generally rated for continuous service up to approximately 60 °C (140 °F). For hot water lines above this temperature, CPVC or other heat-rated fittings are recommended. Always verify the temperature rating against your specific application requirements.
Yes. Rigid PVC is UV-resistant enough for buried or shaded outdoor use, but prolonged direct UV exposure can cause surface degradation over many years. For above-ground outdoor runs in direct sunlight, consider painting the fittings with a water-based latex paint or using UV-protective wrap. For buried irrigation lines, no additional protection is needed.
All three colors are the same rigid PVC material and carry the same performance characteristics. The color difference is purely aesthetic and practical: White is the most common for general plumbing, Blue is often used to identify cold water or irrigation lines, and Gray is common in drainage and conduit applications. Choose the color that matches your existing system or local color-coding convention.
Count the number of points in your pipe run where you need to change direction and reduce pipe size simultaneously. Order one fitting per such point. We offer packs of 1, 2, 5, or 10 pieces — buying a larger pack is more economical per piece and gives you spares for future repairs or extensions. If you are unsure of the quantity, start with a small pack and reorder as needed.
Yes. A properly made solvent weld joint chemically fuses the fitting socket and the pipe wall into a single homogeneous structure. When cured correctly, the joint strength equals or exceeds the rated burst pressure of the pipe. Ensure the pipe end is cut square, deburred, and cleaned before applying primer and cement for the strongest possible bond.
