Compression reducing coupling, polyethylene, PN 6 bar, d. 32 x 20

The polyethylene compression reducing coupling PN 6 bar, d 32 × 20 (HDPE), is a practical fitting for a fast, leak-tight transition from Ø32 mm pipe to Ø20 mm without welding or complex tools. Installers and maintenance teams choose it when installation speed, joint reliability, and long-term system performance matter.

The fitting is made of high-quality high-density polyethylene (HDPE), which tolerates operational loads and continuous contact with water well. The inner surface is uniform and non-porous, helping maintain stable flow capacity and reducing the likelihood of deposit build-up. The material contains no impurities that could affect water taste or odor, making the coupling suitable for drinking water networks and food-related media (within engineering systems).

Designed for PN 6 bar operation, the coupling features rubber sealing rings that deliver strong leak resistance. A key advantage is the conical tightening action: it compensates for minor pipe geometry deviations and enables secure performance even with size differences and ovality up to ±0.5 mm. A corrosion-resistant reinforcing ring further improves joint stability and long-term tightness under temperature fluctuations.

The fitting is UV-resistant, which is particularly beneficial on exposed runs and irrigation systems where part of the pipeline may be in sunlight. UV resistance also helps reduce the risk of unwanted biological processes in light-exposed sections. The blue/black design makes the fitting easy to identify on site.

Where the 32×20 reducer is used

drinking water systems for private homes and facilities;

irrigation networks, watering, greenhouse lines;

high-pressure industrial and domestic sewer networks;

fire-fighting pipelines and technical water supply.

Installation is quick and straightforward: make a clean square cut, insert the pipe fully to the stop, tighten—and you get a reliable Ø32→Ø20 transition with stable leak-tightness. If you need a universal compression fitting for “here and now” installation, the d 32 × 20 PN 6 is an optimal choice for convenience, service life, and predictable results.