BS ISO 5681:2020 pdf free.Equipment for crop protection一Vocabulary.
BS ISO 5681 1 Scope This document defines terms commonly used in relation to equipment for applying plant protection products for crop protection.
2 Normative references There are no normative references in this document.3 Terms and definitions ISO and IEC maintain terminological databases for use in standardization at the following addresses:一ISO Online browsing platform: available at https://www.iso.org/obp 一IEC Electropedia: available at http://www.electropedia.org/ 3.1 General terms 3.1.1 plant protection product PPP any substance or micro-organism, including a virus, or a mixture or solution composed of two or more of them, prepared in the form in which it is supplied to the user intended: to protect plants or plant products against harmful organisms or prevent the action of such organisms, influence the life processes of plants other than as a nutrient, preserve plant products, destroy undesired plants or parts of plants, or check or prevent the undesired growth of plants.3.2.3.16 pneumatic nozzle air shear nozzle atomiser (3.2.3.1) in which the spray is produced by the action of an air stream on the spray liquid (3.2.1.4) 3.2.3.17 twin fluid nozzle air atomising nozzle nozzle (3.2.3.1) in which mixing of spray liquids or the spray liquid (3.2.1.4) and air takes place under pressure within the nozzle with the spray discharged through a common nozzle tip 3.2.3.18 adjustable nozzle hydraulic energy nozzle (3.2.3.2) designed so that the spray liquid flow rate (3.1.12) to the nozzle tip and spray droplet size can be altered without changing the components 3.2.3.19 vibratory nozzle nozzle (3.2.3.1) in which an oscillating solid surface is the primary source of energy used to produce the spray.3.2.3.27 vibrating needle nozzle vibratory nozzle (3.2.3.19) in which spray liquid (3.2.1.4) under pressure is passed through a vibrating needle to form a liquid jet which disintegrates into droplets 3.2.3.28 piezoelectric vibratory nozzle Bergland-Liu nozzle vibratory nozzle (3.2.3.19) in which a piezoelectric transducer transmits high frequency oscillations to a liquid jet to create droplets 3.2.3.29 electromagnetic vibratory nozzle vibratory nozzle (3.2.3.19) in which an electromagnetic transducer transmits high frequency oscillations to a liquid jet to create droplets 3.2.3.30 nozzle body nozzle holder main component into or on which other components of a nozzle are fitted, generally mounted on the spray boom (3.2.7.4), nozzle bar (3.2.7.5) or spray lance (3.2.7.1) Note 1 to entry: See key 3 in Figure 2.Note 2 to entry: In some designs, the nozzle boss (3.2.3.32) performs the function of the body and the cap nut (3.2.3.31) screws directly on to the boss.BS ISO 5681 pdf download.