Supreme Compression Reducing Coupling 20mm x 16mm

Downsize your water lines with absolute mechanical integrity using the heavy-duty Supreme Compression Reducing Coupling 20mm x 16mm. Specifically designed for precise step-down linear joining, this professional-grade asymmetrical inline transition allows you to securely connect a 20mm supply pipe directly to a smaller 16mm line in a continuous, leak-free run, making it ideal for feeding localized micro-irrigation systems, domestic drip networks, and greenhouse watering loops.

Engineered for Structural Durability in Shifting Soils

Graduated pipe bridging junctions operate under continuous hydraulic tension and face sudden pressure variations. This Supreme compression reducer features a high-impact, virgin polypropylene copolymer body that effortlessly dampens extreme water hammer shocks and absorbs soil shifting loads. Fully UV-stabilised and chemical-resistant, it delivers a decades-long watertight barrier whether buried deep or operating above ground in open fields.

Why This 20mm x 16mm Supreme Reducing Coupler is the Professional Benchmark:

• Precise Step-Down Union: Connects a 20mm MDPE or LDPE water supply line to a smaller 16mm line in a perfect inline configuration.
• Commercial Pressure Spec: Fully certified and rated to operate safely under demanding environments up to PN16 (16 Bar / 232 PSI).
• High-Torque Grip Component: Ergonomically shaped interlocking caps ensure a rock-solid mechanical lock using only manual hand-tightening.
• Optimised Internal Profile: Smooth internal wall dynamics reduce friction loss and prevent excessive pressure drops across the diameter reduction.

Product Specifications:

• Brand: Supreme Irrigation (Italy)
• Manufacturer Part Number (MPN): S009020016
• Fitting Shape: Straight Reducing Coupling / Inline Reducer
• Large Socket Diameter: 20mm (Mechanical compression end)
• Small Socket Diameter: 16mm (Mechanical compression end)
• Material Structure: High-grade UV-stabilised Polypropylene Copolymer (PP-B)

Assembly Advice from Our Engineering Team:

To guarantee a completely drip-free mechanical lock under continuous line velocity, ensure both your 20mm and 16mm pipe ends are cut perfectly square and deburred before pushing them past the inner sealing rings. No specialist tools or messy glues are required on-site—simply firmly tighten the interlocking nuts by hand to keep the molded structural threads in flawless condition.