Standard Specifications and Dimensions of Double-Row Distribution Boxes
Double-row distribution boxes typically feature 6–16 Ø75 mm ports, a main spigot of Ø160–Ø200 mm, and are constructed from galvanized or stainless steel for durability and corrosion resistance.
General Specifications
- Port Configuration: Double-row distribution boxes usually have 6 to 16 Ø75 mm ports, arranged in two rows for efficient air or electrical distribution .
- Main Spigot: The main connection port is generally Ø160 mm or Ø200 mm, and can be positioned on the back, side, or top of the box depending on installation requirements .
- Material: Boxes are commonly made from galvanized steel for corrosion resistance or INOX stainless steel for high durability, especially in ventilation systems .
- Design: Compact and welded housings allow installation in ceilings, walls, suspended ceilings, attics, underfloor, or within floor slabs, ensuring even air distribution and noise reduction .
Dimensions
- Length, Width, Height: While exact dimensions vary by manufacturer and model, typical double-row boxes are designed to accommodate the number of ports and main spigot size. For example, boxes with 14–16 Ø75 mm ports and a Ø198 mm main spigot are compact enough for underfloor or ceiling installation .
- Mounting Options: Many boxes are compatible with surface mount or recessed installation, and their modular design allows adaptation to different building layouts .
Additional Features
- Air Distribution Efficiency: The double-row layout ensures even airflow and reduces turbulence, which is critical in ventilation systems .
- Noise Reduction: Properly designed boxes minimize operational noise, making them suitable for residential and commercial applications .
- Standards Compliance: These boxes meet European standards for mechanical ventilation and electrical distribution, ensuring safety and reliability .
Example Models
- PEFLEX Standard Double-Row Box: 14–16 Ø75 mm ports, Ø198 mm main spigot, stainless steel, suitable for floor, attic, or underfloor installation .
- Nortada Galvanized Double-Row Box: 6–16 Ø75 mm ports, Ø160–Ø200 mm main port, galvanized steel, designed for ceilings, walls, and suspended ceilings . These specifications make double-row distribution boxes versatile for both ventilation and electrical distribution systems, providing flexibility in installation and reliable performance.
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