ISO 7807:1983
Air distribution — Straight circular sheet metal ducts with a lock type spiral seam and straight rectangular sheet metal ducts — Dimensions
Reference number
ISO 7807:1983
ISO 7807:1983
Edition 1
1983-07
1983-07
© ISO 2024
Withdrawn
Abstract
Specifies dimensional characteristics of straight elements of circular and rectangular ducts. Applies to air ducts used in heating, ventilating and air conditioning. Tabulates recommended (R 10 series) and additional sizes for circular ducts (tables 1 and 2) as well as recommended sizes for rectangular ducts (table 3).
Life cycle
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