SIS SS-ISO 4397:1985 Fluid power systems and components — Connectors and associated components — Outside diameters of tubes and inside diameters of hoses
This International Standard establishes the following select series for use within hydraulic and pneumatic fluid power connectors and associated components :
a) a select series of outside diameters for hydraulic and pneumatic rigid tubes, irrespective of material composition;
b) a select series of inside diameters for hydraulic and pneumatic hoses made of rubber or plastic.
SIS SS-ISO 4397:1985 history
1985SIS SS-ISO 4397:1985 Fluid power systems and components — Connectors and associated components — Outside diameters of tubes and inside diameters of hoses