Pipetec Press‑Coupling 40 × 3.5 mm, code PFK4040 – straight press-coupling for multilayer aluminum pipes with a diameter of 40 × 3.5 mm.

• Dimensions: 40 × 3.5 mm (connects two pipes of the same diameter)
• Material: Brass with stainless steel sleeve
• Certifications: DVGW & TH+U press-contour — allows leak testing before pressing (“Unpressed leakage”)
• Resistance: Designed for 10 bar / 70 °C, with a lifespan of up to 50 years

Uses: The PFK4040 is used for permanent, watertight press-connection of two 40 × 3.5 mm pipes – without welding or screwing, in applications for water supply, heating, air conditioning networks, as well as underfloor heating systems.