GB/T 25730-2025Grain and oil machinery - Purifiers (English PDF)
粮油机械 清粉机
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 25730-2025 is the English-translated version of 粮油机械 清粉机.
GB/T 25730-2025 is the Chinese standard "Grain and oil machinery - Purifiers". Its scope clause reads: This document defines the terminology and specifications for powder cleaning machines, and specifies their working principle, models and basic parameters, technical requirements, test methods, and inspection procedures.
Inspection rules, as well as requirements for marking, packaging, transportation, and storage. This document applies to the design of cleaning equipment used in wheat milling to purify and grade a mixture of wheat residue and wheat heart by quality.
Manufacturing and quality inspection. Its clauses include terms and definitions.
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Document preview — GB/T 25730-2025
National Standard of the People's Republic of China
- ICS
- 67.260
- Classification
- X 91
- Replacing
- GB/T 25730-2010
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 Wheat husks with bran
- 3.2 pure semolina
- 3.3 Powder purifier
1 Scope
This document defines the terminology and specifications for powder cleaning machines, and specifies their working principle, models and basic parameters, technical requirements, test methods, and inspection procedures.
Inspection rules, as well as requirements for marking, packaging, transportation, and storage.
This document applies to the design of cleaning equipment used in wheat milling to purify and grade a mixture of wheat residue and wheat heart by quality.
Manufacturing and quality inspection.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 191 Packaging and Storage Graphic Symbols
GB 5009.4 National Food Safety Standard - Determination of Ash Content in Food
GB/T 5226.1 Electrical Safety of Machinery - Electrical Equipment of Machinery - Part 1.General Technical Conditions
GB/T 13306 Nameplates
GB/T 17248.3 Noise emitted by acoustic machines and equipment shall be determined using approximate environmental correction at the working position and other specified locations.
The emitted sound pressure level
GB/T 24854 General Technical Requirements for Packaging of Grain and Oil Machinery Products
GB/T 24855 General Technical Requirements for the Assembly of Grain and Oil Machinery
GB/T 24857 General Technical Conditions for Plate Parts and Plate-Shaped Steel Components of Grain and Oil Machinery
GB/T 25218 General Technical Requirements for Coating of Grain and Oil Machinery Products
GBZ 158 Occupational Hazard Warning Signs in the Workplace
GBZ /T 192.1 Determination of dust in workplace air – Part 1.Total dust concentration
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Wheat husks with bran
Wheat endosperm grains with bran attached.
3.2 pure semolina
Pure wheat endosperm grains.
3.3 Powder purifier
Equipment for purifying and classifying a mixture of wheat residue and wheat bran based on differences in particle size, density, and aerodynamic properties. […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB 5009.4National food safety standard - Determination of Ash in Foods
- GB/T 5226.1Electrical safety of machinery -- Electrical equipment of machines -- Part 1: General requirements
- GB/T 13306Plates
- GB/T 17248.3Acoustics -- Noise emitted by machinery and equipment -- Determination of emission sound pressure levels at a workstation and at other specified positions applying approximate environmental corrections
- GB/T 24854Grain and oil machinery - General technical specification for product packaging
Editions of GB/T 25730
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 25730-2025 | Grain and oil machinery - Purifier | current edition | Current |
| GB/T 25730-2010 | Grain and oil machinery -- Purifier | previous edition | In force |
This page sells the current edition, GB/T 25730-2025. Earlier editions are listed for reference only.
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Related Standards
GB 5009.4-2016 — National food safety standard - Determination of Ash in Foods
GB 5009.42-2016 — National food safety standard - Determination of Table Salt Index
GB 5009.42-2025 — National food safety standard - Determination of the indices of edible salt
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