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When a leaking joint or incompatible coupling brings your plumbing project to a halt, you need fittings that bond fast and hold firm. These grey PVC UPVC solvent weld pipe fittings are engineered for DIYers, plumbers, pond builders, and industrial maintenance teams who demand a secure, chemical-resistant connection without the complexity of threaded or push-fit systems.
The range is manufactured from rigid uPVC (unplasticised polyvinyl chloride) and finished in a standard grey colour. Pipe diameters span 20 mm (approx. ¾") through 110 mm (approx. 4"), with reducing variants covering cross-sizes from 25×20 mm up to 90×63 mm. Fitting types include Straight, Reducing Straight, Female Straight, Male Straight, Female-to-Female Straight, 45° Elbow, 90° Elbow, Female 90° Elbow, Female-to-Female 90° Elbow, Tee, Reducing Tee, Female Tee, and Cap — giving you a complete solvent-weld system in one listing.
Typical applications include garden fish pond pipework and filter circuits, cold-water domestic plumbing and irrigation lines, industrial process pipework carrying non-aggressive aqueous fluids, and grey-water drainage systems where a solvent-weld grey PVC pipe fitting is specified. The broad size matrix makes this listing a go-to source for solvent weld UPVC fittings 20mm to 110mm in a single order.
Creates a chemically fused, permanent bond with standard PVC solvent cement — no clamps, no threads, no leaks.
Straight sizes from 20 mm to 110 mm; reducing sizes from 25×20 mm to 90×63 mm — one listing covers your whole run.
Straight, Reducing Straight, Female/Male Straight, 45° & 90° Elbows, Tee, Reducing Tee, Female Tee, Cap, and female-to-female variants.
Rigid unplasticised PVC resists rust, scale, and most dilute aqueous chemicals — suited for fish pond and irrigation use.
Classic grey colour matches most metric uPVC pressure pipe systems and blends into industrial and utility installations.
Each variant is priced and shipped as 1 Pcs — order the exact count you need with no minimum pack size.
| Material | Rigid uPVC (Unplasticised Polyvinyl Chloride) |
|---|---|
| Colour / Finish | Grey |
| Connection Method | Solvent weld (solvent cement required, sold separately) |
| Pipe Size Range | 20 mm – 110 mm (approx. ¾" – 4") |
| Reducing Size Range | 25×20 mm – 90×63 mm |
| Fitting Types | Straight, Reducing Straight, Female Straight, Male Straight, Female-to-Female Straight, 45° Elbow, 90° Elbow, Female 90° Elbow, Female-to-Female 90° Elbow, Tee, Reducing Tee, Female Tee, Cap |
| Wall Thickness | See variant options |
| Pressure Rating | See variant options |
| Temperature Range | Suitable for cold-water applications (typically up to 60 °C; confirm for your specific use) |
| Unit Sold | 1 Pcs per order |
| Applicable Standards | Contact us to confirm |
Select Straight for joining two pipes of the same diameter end-to-end. If you need to step down from a larger pipe to a smaller one in a straight run, choose Reducing Straight and pick the size combination that matches your two pipe diameters (e.g., 32×25 mm).
A Female Straight fitting has an internal BSP thread on one end and a solvent-weld socket on the other, allowing you to connect a male-threaded component (such as a pump outlet) to a plain uPVC pipe. A Male Straight fitting has an external BSP thread on one end and a solvent-weld socket on the other — useful for connecting into a female-threaded port or valve.
A correctly made solvent-weld joint chemically fuses the pipe and fitting into a single piece, typically achieving strength comparable to the pipe wall itself. This makes it one of the most secure connection methods for rigid uPVC systems — significantly stronger than push-fit for permanent installations. The joint is not reversible once cured, so measure carefully before bonding.
Yes. Rigid uPVC is non-toxic to fish once fully cured, corrosion-resistant, and widely used in pond filter circuits, pump pipework, and UV clarifier connections. Allow the solvent cement to cure fully (typically 24 hours before pressurising) before introducing water to a fish environment.
These fittings are designed for cold-water and low-temperature applications. Rigid uPVC begins to soften at elevated temperatures and is generally not recommended for continuous hot-water supply above approximately 60 °C or for central heating circuits. For hot-water systems, consider CPVC or ABS alternatives.
Measure the outside diameter (OD) of your existing pipe. The size listed (e.g., 20 mm, 25 mm, 32 mm) refers to the nominal pipe OD that the fitting socket is designed to accept. For reducing fittings, the first number is the larger (inlet) pipe OD and the second is the smaller (outlet) pipe OD — for example, 40×25 mm accepts a 40 mm pipe on one end and a 25 mm pipe on the other.
No power tools are required. You will need a pipe cutter or fine-tooth saw to cut the pipe square, fine-grit sandpaper or a deburring tool to clean the cut end, PVC solvent cement (sold separately), and a brush or applicator. Clean both surfaces with PVC cleaner/primer before applying cement for the strongest bond.
