●Material: (surface treatment)
‧Galvanized steel plate (G)
‧Stainless steel plate(S)
●Specifications: (W size)
‧Standard length 3M, customized length also available
‧Standard arc-shaped seams, tight integration and excellent air density.
‧Small spiral pitch (P=120MM), extremely high strength
‧Using wind cutting, no burrs, safe construction
‧Compliant with American Sheet Metal Association (SMACNA), United States (ASHRAE)
and German (DIN) spiral duct manufacturing standards.
●Product type code