BS EN 12761-3:2001 – Agricultural and forestry machinery — Sprayers and liquid fertilizer distributors — Environmental protection — Part 3: Air-assisted sprayers for bush and tree crops
1 Scope
This standard specifies requirements and methods for their verification for design and performances of air-assisted sprayers for bush and tree crops with respect to minimizing the risk of environmental contamination.
This part applies in connection with EN 12761-1:2001 which contains general guidelines for agricultural sprayers.
2 Normative references
This European Standard incorporates, by dated or undated reference, provision from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments).
EN 907:1997, Agricultural and forestry machinery – Sprayers and liquid fertilizer distributors – Safety.
EN 12761-1:2001, Agricultural and forestry machinery – Sprayers and liquid fertilizer distributors – Environmental protection – Part 1 : General.
ISO 4102, Equipment for crop protection – Sprayers – Connection threading.
ISO 4287, Geometrical Product specification (GPS) – Surface texture: Profile method – Terms, definition and surface texture parameters.
ISO 4288, Geometrical Product Specifications (GPS) – S w urfac w e tex w ture: . Profile b met z hod – f Rule x s and w proce . dure c s for om the assessment of surface texture.
ISO 5682-1, Equipment for crop protection – Spraying equipment – Part 1 : Test methods for sprayer nozzles.
ISO 5682-2, Equipment for crop protection – Spraying equipment – Part 2 : Test methods for hydraulic sprayers.
ISO 5682-3:1996, Equipment for crop protection – Spraying equipment – Part 3 : Test method for volume/hectare adjustment systems of agricultural hydraulic pressure sprayers.
ISO 9357, Equipment for crop protection – Agricultural sprayers – Tank nominal volume and filling hole diameter.
ISO 13440: 1996, Equipment for crop protection – Agricultural sprayers – Determination of the volume of total residues
ISO 14710, Equipment for crop protection – Air-assisted sprayers – Dimensions of nozzle swivel nuts.
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in EN 12761-1:2001 apply.
4 Requirements
4.1 General
4.1.1 Spray tank
4.1.1.1 Surfaces
Depth of roughness of inner and outer walls of the tank shall be such that Rz 100 m as specified in ISO 4287,and measured according to ISO 4288.
BS EN 12761-3:2001 – Agricultural and forestry machinery — Sprayers and liquid fertilizer distributors — Environmental protection — Part 3: Air-assisted sprayers for bush and tree crops