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Compression reducing coupling, polyethylene, PN 6 bar, d. 25 x 20
The polyethylene compression reducing coupling PN 6 bar, d 25 × 20 (HDPE), is a reliable compression fitting for a neat diameter transition in piping systems. It is suitable for polyethylene and polyethylene terephthalate pipes when you need leak-tightness without welding—fast installation with predictable results.
The body is made of high-quality high-density polyethylene (HDPE) with a uniform, non-porous inner surface: deposits are less likely to accumulate, and water retains its taste and odor without unwanted impurities. Rubber sealing rings provide leak resistance at the PN 6 bar working pressure, while a corrosion-resistant reinforcing ring helps maintain joint stability under temperature fluctuations and long-term operation.
A key feature is the conical tightening action, which grips the pipe evenly and compensates for minor dimensional deviations and ovality up to ±0.5 mm. This is especially useful on sites where pipes come from different batches and installation must be completed without extra fitting work. The material is UV-resistant, so the fitting is less prone to sun-related aging and helps reduce the risk of algae and bacteria formation in transparent/light-exposed sections of the system. Color scheme: blue/black, convenient for quick visual identification along the line.
The 25×20 coupling is used in drinking water networks, irrigation and watering systems, high-pressure industrial and domestic sewer lines, as well as fire-fighting pipelines. Installation is straightforward: make a clean square cut, insert the pipe to the stop, and tighten—the compression assembly creates a firm seal without special equipment. The result is a compact reducer with high leak-tightness, resistance to external influences, and smooth internal hydraulics.
*The information about the product, its specifications, and price is provided for reference purposes only and may differ from the actual details. Before purchasing, we recommend confirming availability, parameters, the current price, as well as instalment terms and active promotions with a consultant to ensure all information is accurate.
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