GB/T 21403-2008Irrigation equipment -- Differential pressure Venturi-type liquid additive injectors (English PDF)
喷灌设备 文丘里式差压液体添加射流器
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
February 3, 2008
Implementation date
July 1, 2008
Scope
GB/T 21403-2008 is the English-translated version of 喷灌设备 文丘里式差压液体添加射流器.
GB/T 21403-2008 — This standard specifies the "Venturi differential pressure liquid addition ejector" design, operating instructions and testing methods.
This "differential pressure venturi Add liquid ejector "is the irrigation system to the system used to inject soluble chemicals, including liquid fertilizers, water-soluble liquid fertilizers, acids, Corrosive solutions, insecticides, herbicides, and other liquid additive.
This standard does not contain the drinking water supply system backflow preventer device, then Near Venturi ejector mounting device is included in the waterproofing Conditions.
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Document preview — GB/T 21403-2008
National Standard of the People's Republic of China
- ICS
- 65.060.35
- Classification
- B 91
Issued by: Standardization Administration of China
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the " Venturi differential pressure liquid additive injectors " design, operating instructions and test methods. This " Venturi differential pressure liquid additive injectors " is a system of irrigation systems used to inject soluble chemicals, including liquid fertilizer, water-soluble liquid fertilizer, acids, corrosive melt, pesticides, herbicides and other liquid additives. This standard does not contain the drinking water supply system backflow prevention device, close venturi ejector mounting apparatus is contained in a waterproof measure Conditions.
Document data
International classification (ICS): 65.060.35.
Chinese classification (CCS): B91.
Estimated length of the Chinese original: 9,952 words.
Adopted international standard: ISO 15873-2002, IDT.
Standards quoted by this document
GB/T 2828.1-2003; GB/T 7306.1-2000
......
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
- GB/T 2828.1-2003Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 7306.1-2000Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads. Part 1: Parallel internal and taper external threads
ISO 2859 · ISO 7
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Related Standards
GB/T 7306.1-2000 — Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads. Part 1: Parallel internal and taper external threads
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