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When a leaking joint or a mismatched fitting brings your irrigation build or drainage project to a halt, you need connectors that go on once and stay sealed for years. These PVC Klebefittings (solvent-weld pipe fittings) are designed for makers, homeowners, and small workshops who demand a permanent, pressure-rated bond without threading tools or rubber gaskets.
Each fitting is manufactured from rigid PVC (polyvinyl chloride) with a smooth solvent-weld socket. Inner diameters span 20 mm (approx. ¾ in) to 110 mm (approx. 4⅓ in), covering the most common pipe schedules used in residential and light-commercial plumbing. Wall thickness is proportional to pipe diameter, typically 1.8–4.5 mm depending on the size selected.
Choose from five fitting forms to suit your layout: straight couplings (Gerade) for inline extensions, 90° elbows (90° Winkel) for right-angle turns in tight spaces, 45° elbows (45° Winkel) for gradual directional changes in PVC drainage pipe systems, T-pieces (T-Stück) for branch connections in garden irrigation manifolds, and end caps (Kappe) to terminate open pipe runs cleanly. Each shape is available across the full 20–110 mm inner diameter range.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Connection Type | Solvent-weld (Klebefitting / push-fit socket) |
| Inner Diameter Options | 20 mm, 25 mm, 32 mm, 40 mm, 50 mm, 63 mm, 75 mm, 90 mm, 110 mm |
| Fitting Forms | Straight (Gerade), 90° Elbow, 45° Elbow, T-Piece (T-Stück), End Cap (Kappe) |
| Wall Thickness | See variant options |
| Pressure Rating | See variant options |
| Color / Finish | Grey (standard PVC) |
| Temperature Range | Typically 0 °C – 60 °C (32 °F – 140 °F) for cold-water applications |
| Solvent Cement Required | Yes — PVC solvent cement, sold separately |
| Weight per Piece | See variant options |
Measure the outer diameter (OD) of your existing pipe, then match it to the fitting's inner diameter. For example, a pipe with a 25 mm OD typically fits a 25 mm Klebefitting socket. If you are unsure, bring a short pipe sample to compare, or check the pipe's printed markings for its nominal size.
Select the 90° Winkel (90° Elbow) for a sharp right-angle change of direction. If space allows and you want a gentler flow path with less turbulence — common in irrigation systems — the 45° Winkel used in pairs achieves the same 90° total turn with a smoother bend radius.
Rigid PVC Klebefittings are widely used in cold-water pressure applications. Actual pressure ratings depend on pipe diameter, wall thickness, and the solvent cement used. For pressurized supply lines, always verify the fitting's pressure class against your system's working pressure and follow local plumbing codes. These fittings are not rated for hot-water or steam applications.
PVC does not rust, corrode, or scale like iron or copper fittings. It is resistant to most household acids, alkalis, and fertilizer solutions, making it an excellent choice for garden irrigation, rainwater harvesting, and drainage systems. Avoid prolonged exposure to strong solvents or UV radiation without protective coating for outdoor above-ground installations.
Yes. PVC Klebefittings are suitable for underground drainage and irrigation runs where they are protected from direct sunlight. For above-ground outdoor use, consider painting or wrapping the fittings to protect against UV degradation over time, which can cause PVC to become brittle after years of direct sun exposure.
Use a standard PVC solvent cement (also called PVC glue or Klebemittel für PVC-Rohre) compatible with rigid PVC pipe. Apply a thin, even coat to both the pipe end and the fitting socket, push together with a slight twist, and hold for 30 seconds. The joint is typically handling-strong within 5–10 minutes and reaches full cure strength within 24 hours at room temperature. Do not pressure-test before full cure.
No — solvent welding creates a permanent chemical bond that fuses the pipe and fitting into a single piece. If you need to correct a mistake, cut the pipe just outside the fitting socket and install a new fitting with a short coupling. Plan your layout carefully before gluing, and do a dry-fit assembly first to confirm all angles and lengths.
Match the T-Stück inner diameter to your main supply pipe's outer diameter. For a typical garden drip irrigation system using 25 mm main line, select the 25 mm T-Stück. If your branch line is a smaller diameter, you will need a reducer fitting between the T-piece outlet and the smaller branch pipe — reducer fittings are available separately.
