ISO 15873:2002 Preview
Irrigation equipment -- Differential pressure Venturi-type liquid additive injectors
This standard was last reviewed and confirmed in 2008. Therefore this version remains current.
ISO 15873 specifies the construction of, and operational requirements and test methods for, differential pressure Venturi-type liquid additive injectors -- a component of systems used to inject chemicals, including liquid fertilizers, liquid solutions of water-soluble fertilizers, acids, caustics, pesticides, herbicides and other liquid additives, into irrigation systems. ISO 15873 does not specify means of preventing backflow of liquid additives to potable water supply systems, the assembly of such means, near to the Venturi injector, being covered by water protection regulations.
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