ISO 16438:2012 specifies requirements and test methods for reinforced and non-reinforced thermoplastic collapsible hoses, which are intended to be used as main and sub-main supply lines for the conveyance and distribution of water for irrigation at water temperatures up to 50 C.
It is applicable to irrigation hoses with nominal diameters between 40 mm and 500 mm and working pressures between 0,3 bar (0,03 MPa) and 6 bar (0,6 MPa).
ISO 16438:2012 is applicable to two types of hose configurations: distributor hose (with outlet connections) and plain hose (without outlet connections).