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When your pipe run changes diameter and you need a leak-free transition, finding the right reducer fitting is the difference between a clean install and a frustrating rework. Whether you are a homeowner tackling a bathroom renovation, a garden irrigation upgrade, or a workshop drainage project, these PVC reducer socket fittings give you a secure, solvent-weld connection that holds under pressure.
Each PVC reducer coupling fitting is manufactured from rigid PVC material and features a socket-to-socket (muffe) design for solvent-cement bonding. Inner diameter sizes span from 20 mm (approx. 0.79 in) up to 200 mm (approx. 7.87 in), with the smaller socket accepting the branch pipe and the larger socket accepting the main pipe. Available in white, gray, and blue to match common plumbing color conventions. Wall thickness and exact outer dimensions vary by size — see variant options for specifics.
Typical applications include cold-water supply line reductions, rainwater downpipe transitions, garden irrigation manifold connections, and pool or spa plumbing where pipe diameters must step down. Long-tail use cases such as "PVC pipe reducer 50mm to 32mm solvent weld" or "PVC reducing socket fitting 110mm to 90mm" are covered across the full size matrix available in this listing.
Inner diameter options from 20 mm to 200 mm (approx. 0.79 in – 7.87 in) cover the most common metric pipe reduction combinations in a single listing.
Available in white, gray, and blue — making it easy to match existing pipework or follow color-coded plumbing conventions for cold water, drainage, or irrigation systems.
Both ends feature smooth socket (muffe) bores engineered for standard PVC solvent cement, creating a permanent, leak-resistant bond without threading or mechanical fasteners.
Rigid PVC resists rust, scale, and chemical attack from common household water treatment additives, making these fittings suitable for long-term buried or exposed installations.
Choose from single-piece (1-tlg), 2-piece, 5-piece, or 10-piece packs — ideal for single repairs, small projects, or stocking up for larger installations at a lower per-unit cost.
No special tools required — clean, prime, apply solvent cement, and push together. The fitting sets quickly, letting you pressure-test and move on to the next section of your project without long delays.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Connection Type | Solvent-weld socket (Muffe / Klebefitting) |
| Inner Diameter Range | 20 mm – 200 mm (approx. 0.79 in – 7.87 in) |
| Available Colors | White (Weiß), Gray (Grau), Blue (Blau) |
| Outer Diameter | See variant options |
| Wall Thickness | See variant options |
| Operating Temperature | Up to approx. 60 °C (140 °F) for cold-water applications |
| Pressure Rating | See variant options |
| Pack Quantity | 1, 2, 5, or 10 pieces (select above) |
| Application | Cold-water supply, drainage, irrigation, pool/spa plumbing |
Measure the outer diameter (OD) of both pipes you need to join. The larger socket of the reducer should match the OD of your main pipe, and the smaller socket should match the OD of the branch pipe. The size listed in the variant name (e.g., "50 x 32 mm") refers to the inner diameter of the larger socket × inner diameter of the smaller socket. If you are unsure, contact us to confirm before ordering.
Yes — when properly bonded with PVC solvent cement, these rigid PVC reducer couplings form a permanent joint suitable for typical residential cold-water pressure ranges. Exact pressure ratings vary by size; see variant options or contact us for the specific size you need. They are not intended for hot-water, steam, or industrial high-pressure applications.
Rigid PVC is inherently corrosion-resistant and does not rust, scale, or degrade when exposed to chlorinated tap water, common fertilizers in irrigation systems, or standard pool chemicals. It is not suitable for concentrated solvents or highly aggressive industrial chemicals. For outdoor or buried installations, PVC also resists UV degradation better than many alternatives when shielded from direct prolonged sunlight.
These fittings are designed for standard metric PVC pressure and drainage pipe systems commonly used across Europe and many international markets. They are compatible with pipes that match the listed inner diameter dimensions. Always verify your pipe's outer diameter against the fitting's socket bore before bonding. They are not compatible with imperial-sized pipes without an adapter.
The three colors are functionally identical in terms of material and connection method. Color is typically used to distinguish pipe systems: white is common for general plumbing and cold-water supply, gray is often used for drainage and waste systems, and blue is a widely recognized convention for cold potable water lines. Choose the color that matches your existing pipework or local plumbing code conventions.
For a single repair or one-off connection, the 1-piece option is the most economical choice. If you are running multiple branch lines or working on a larger irrigation or drainage layout, the 5-piece or 10-piece packs offer a lower per-unit cost and ensure you have spares on hand. The 2-piece pack is a good middle ground for small projects with a backup fitting.
Yes. These PVC reducer socket fittings are well-suited for garden drip irrigation manifolds, sprinkler system pipe reductions, and pool or spa plumbing where you need to step down from a larger supply pipe to a smaller distribution line. Ensure the fitting size matches your irrigation pipe OD and use a PVC-rated solvent cement for a watertight bond.
