CH
Pipe HR, 3 m, capped, spiral-seamed, HallströmArt. no.: 9940316
Spiral-seamed ventilation ducts. VENTrör for ventilation systems.
Dimensions and tolerances according to standard SS-EN 1506. The ducts are made of hot-dip galvanized steel sheet DX51 + Z275MAC according to SS-EN 10346.
Surface coating with Z275 meets corrosion class C3 according to SS-EN ISO 12944-2. Ducts meet tightness class D according to SS-EN 12237.
Type approval 1666/78
The weight is expressed in kilograms/meter +/- 10%