GB/T 18690.3-2017Agricultural irrigation equipment -- Filters for micro-irrigation -- Part 3: Automatic flushing strainer-type filters and disc filters (English PDF)
农业灌溉设备 微灌用过滤器 第3部分:自动冲洗网式过滤器和叠片式
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Level / Type
National · Recommended
Issue date
September 29, 2017
Implementation date
April 1, 2018
Scope
GB/T 18690.3-2017 is the English-translated version of 农业灌溉设备 微灌用过滤器 第3部分:自动冲洗网式过滤器和叠片式.
GB/T 18690.3-2017 — This part of GB/T 18690 specifies the automatic irrigation mesh filter and laminated filter used in agricultural irrigation system (the following Referred to as filter) the general structural requirements and test methods.
This section does not cover the filter performance, efficiency and capacity (such as the quality of filtered water, the filter is completely blocked before running time Wait).
Note 1. Definitions and test methods for filter performance, efficiency and capacity parameters will be given in other ISO technical reports.
The technical report will provide for the phase Test methods for comparing various filters using user-specified water under the same operating conditions to characterize the filter as specified by the user or experimenter in the operating characteristics.
Note 2. GB/T 18690.2-2017 gives the general requirements for mesh filters and lamination filters (see Chapter 5).
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Document preview — GB/T 18690.3-2017
National Standard of the People's Republic of China
- ICS
- 65.060.35
- Classification
- B 91
- Replacing
- GB/T 18690.3-2002
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Contents
- Document data1
Document data
International classification (ICS): 65.060.35.
Chinese classification (CCS): B91.
Estimated length of the Chinese original: 9,987 words.
Supersedes the earlier edition GB/T 18690.3-2002.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Normative references
ISO 9912
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Related Standards
GB/T 18690.1-2009 — Agricultural irrigation equipment -- Filters for micro-irrigation -- Part 1: Terms, definitions and classification
GB/T 18690.2-2017 — Agricultural irrigation equipment -- Filters for micro-irrigation -- Part 2: Strainer-type filters and disc filters
GB/T 18690.4-2023 — Agricultural irrigation equipment - Filters for micro irrigation - Part 4: Granulated media filters
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GB/T 18690.3-2017
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