Different quality demanding, so better than at the corresponding levels
D1
Product features
Use article 34 mm high performance insulation, hidden stepwise drainage, a two-component glue injection process, warm and energy-saving glass.
D2
The structural parameters
Aluminium alloy material - 6063 - t5, aluminum thickness - 2.0 mm, nylon insulation - tylenol PA66 wind - 25, surface treatment - oil painting
D3
Design parameters
With fan limit 900 mm wide, fan high limit of 1500 mm, single fan bearing 80 kg.
D4
The performance parameters
Resistance to wind and water tightness level 5, 8 air tightness, K value magnitude 7, noise level 4
