International Organization for Standardization (ISO)
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ISO 1307:2006
Scope
This International Standard specifies the sizes of rubber and plastics hoses and the minimum and maximum inside diameters permitted for each hose size. For this purpose, hoses are divided into four types according to the process by which they are manufactured. The standard also specifies tolerances on cut-to-length rubber and plastics hoses for industrial and automotive applications. This standard is intended to be used with the relevant hoses product standard unless there is justification for using a different hose size or unless a hose size needs a different inside-diameter range for a particular application.
ISO 1307:2006 history
2006ISO 1307:2006 Rubber and plastics hoses - Hose sizes, minimum and maximum inside diameters, and tolerances on cut-to-length hoses
1992ISO 1307:1992 Rubber and plastics hoses for general-purpose industrial applications; bore diameters and tolerances, and tolerances on length
1983ISO 1307:1983 Rubber and plastics hoses — Bore diameters and tolerances on length