Ubbink Air Excellent 48C - 48C manifold

Ubbink Air Excellent 48C - 48C Crossover Piece

The Air Excellent 48C - 48C crossover piece is used to allow two 48C semi-rigid ducts to intersect within a minimal installation height. This component is applied when ducts need to cross each other in floors, ceilings or technical spaces where every millimetre counts. Thanks to its compact design, you can achieve a crossover without unnecessarily increasing the overall installation height.

Benefits and Features

• Compact crossover of two 48C ducts: With a limited build-up height, you can easily create a passage where ducts must intersect.
• Stacking without additional height loss: By placing a second crossover piece on top of the first, you can cross ducts without further increasing the total installation height.
• Airtight connection: The included 48C Click-Seal rings provide a reliable and airtight joint.
• Antistatic and antimicrobial finish: This design supports hygienic air distribution and reduces dust adhesion inside the duct.

Performance in Practice

A controlled duct crossover prevents kinking and undesired resistance in the ductwork. With a zeta value of 1.97 for both supply and exhaust air, the pressure loss remains predictable within the design of the ventilation system. This helps maintain the intended airflow per room without requiring extra power from the fan.

The crossover piece is suitable for temperatures ranging from -20 °C to 60 °C and complies with fire class Euroclass E. Measuring 421 mm in length, 160 mm in width, and 103 mm in height, you can integrate this component efficiently in floors or ceilings. Its weight of approximately 0.285 kg ensures stable and solid mounting.

Installation and Maintenance

You install the crossover piece directly between the 48C ducts and secure the connection using the integrated Click-Seal rings. Since no sealant or tape is required, you work faster and more consistently on site. The mechanical seal remains durable and low-maintenance throughout the ventilation system’s lifespan.

With this crossover piece, you achieve a space-saving and technically sound duct crossing without compromising airtightness or system performance.