GB/T 18691.1-2021 English PDFUS$454.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 18691.1-2021: Agricultural irrigation equipment - Irrigation valves - Part 1: General requirements Status: Valid GB/T 18691.1: Historical versions
Basic dataStandard ID: GB/T 18691.1-2021 (GB/T18691.1-2021)Description (Translated English): Agricultural irrigation equipment - Irrigation valves - Part 1: General requirements Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B91 Word Count Estimation: 24,292 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 18691.1-2021: Agricultural irrigation equipment - Irrigation valves - Part 1: General requirements---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Agricultural irrigation equipment -- Irrigation valves -- Part 1: General requirements ICS 65:060:35 CCSB91 National Standards of People's Republic of China Replacing GB/T 18691:1-2011 Agricultural irrigation equipment irrigation valve Part 1: General Requirements (ISO 9635-1:2014, IDT) Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is part 1 of GB/T 18691 "Irrigation Valves for Agricultural Irrigation Equipment": GB/T 18691 has released the following parts: --- Part 1: General requirements; --- Part 2: Isolation valve; --- Part 3: Check valve; --- Part 4: Intake and exhaust valves; --- Part 5: Control valve: This document replaces GB/T 18691:1-2011 "Irrigation Valves for Agricultural Irrigation Equipment Part 1: General Requirements", and GB/T 18691:1 -Compared with:2011, except for structural adjustment and editorial changes, the main technical changes are as follows: a) changed the scope (see Chapter 1, Chapter 1 of the:2011 edition); b) Changed the temperature requirements for valve design (see 4:4, 4:4 of the:2011 edition); c) Changed the pressure loss requirements (see 5:4:1, 5:3:1 of the:2011 edition); d) Changed the pressure duration of the internal pressure resistance performance test (see A:1:1, A:1:1 of the:2011 edition): This document uses the translation method equivalent to ISO 9635-1:2014 "Irrigation Valves for Agricultural Irrigation Equipment - Part 1: General Requirements": The Chinese documents that have a consistent correspondence with the international documents normatively cited in this document are as follows: ---GB/T 1047-2019 Definition and selection of nominal dimensions of piping components (ISO 6708:1995, NEQ) ---GB/T 10125-2012 Artificial atmosphere corrosion test salt spray test (ISO 9227:2006, IDT) ---GB/T 12220-2015 Industrial valve marking (ISO 5209:1977, MOD) ---GB/T 12221-2005 Metal valve structure length (ISO 5752:1982, MOD) ---GB/T 18252-2020 Determination of long-term hydrostatic properties of thermoplastic materials in the form of pipes by extrapolation for plastic piping systems Compressive strength (ISO 9080:2012, IDT) ---GB/T 18688-2012 Test method for pressure loss of irrigation valves of agricultural irrigation equipment (ISO 9644:2008, IDT) ---GB/T 18689-2009 Small manual plastic valve for agricultural irrigation equipment (ISO 9911:2006, MOD) ---GB/T 21873-2008 Specification for the material of interface seals for rubber seals for water supply, drainage and sewage pipes (ISO 4633:2002, MOD) The following editorial changes have been made to this document: --- Replace "bar" with "MPa" conversion; --- Change "ISO 6708:1995" in Chapter 2 to "ISO 6708", which is consistent with the text: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201): This document is drafted by: Wenling City Product Quality Inspection Institute, Shanxi Agricultural Machinery Development Center, China Academy of Agricultural Mechanization Sciences, Taizhou Yuansheng Aquaculture Machinery Co:, Ltd:, Ningbo Yaofeng Hydraulic Electric Appliance Co:, Ltd:, Hangzhou Slater Pump Co:, Ltd:, Jiangsu University Fluid Machinery Engineering Technology Research Center, Anhui Provincial Institute of Product Quality Supervision and Inspection, Tai'an City Science and Technology Information Research Institute, Visega (Mountain) East) Intelligent Technology Co:, Ltd: The main drafters of this document: Jin Shibin, Ding Jianmin, Zhang Xiansheng, Jin Linbing, Zhang Feng, Zhang Jiangping, Yuan Shouqi, Ning Chao, Lu Shusheng, Zhao Liwei, Wang Yang, Li Mingyu, Wang Xia, Wei Yuanchao: The previous versions of this document and its superseded documents are as follows: ---First published in:2011 as GB/T 18691:1-2011; ---This is the first revision:IntroductionGB/T 18691 "Irrigation Valves for Agricultural Irrigation Equipment" is planned to be composed of the following five parts according to product characteristics: --- Part 1: General requirements: The purpose is to give general requirements for the design, performance and consistency evaluation of irrigation valves: --- Part 2: Isolation valve: The purpose is to give the requirements for the design, performance and consistency evaluation of the isolation valve, and to give the unique characteristics of the isolation valve: technical requirements: --- Part 3: Check valve: The purpose is to give the design, performance, consistency evaluation and other requirements of the check valve, and to give the unique characteristics of the check valve: technical requirements: --- Part 4: Intake and exhaust valves: The purpose is to give the design, performance, consistency evaluation and other requirements of the intake and exhaust valves, and to give the intake and exhaust valves: Valve-specific technical requirements: --- Part 5: Control valve: The purpose is to give the design, performance, consistency evaluation and other requirements of the control valve, and to give the unique characteristics of the control valve: technical requirements: Among them, this document specifies the general requirements for irrigation valves: Except for the common requirements of general requirements, the rest of the standards are specified according to the types of irrigation valves: The specific technical requirements of this kind of irrigation valve are specified: Based on this document, GB/T 18691 provides a complete set of four types of agricultural irrigation valves, including isolation valves, check valves, intake and exhaust valves, and control valves: The technical requirements and evaluation methods of this paper provide a standard basis for the manufacture and product upgrade of agricultural irrigation valves: Agricultural irrigation equipment irrigation valve Part 1: General Requirements1 ScopeThis document specifies the design requirements, performance requirements, conformity assessment, marking and packaging of irrigation valves: The valve is suitable for water temperature not exceeding 60°C, and the water may contain certain types and concentrations of fertilizers or chemicals commonly used in agriculture: This document applies to irrigation valves with a nominal size of not less than 8mm: The valve is designed to be fully open and fully closed, but it can also be used in any The intermediate state works for a long time:2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 18691:2-2021 Irrigation Valves for Agricultural Irrigation Equipment Part 2: Isolation Valves (ISO 9635-2:2014, IDT) GB/T 18691:5-2021 Irrigation Valves for Agricultural Irrigation Equipment Part 5: Control Valves (ISO 9635-5:2014, IDT) ISO 4633 Specification for rubber seals for joint sealing ring materials for water supply, drainage and sewage pipes (Rubberseals-Joint ringsforwatersupply,drainageandseweragepipelines-Specificationformaterials) ISO 5209 General purpose valve marking (Generalpurposeindustrialvalves-Marking) ISO 5752 Flanged piping systems for metal valve end-to-end and end-to-center dimensions (Metal valves for use in flanged pipesystems-Face-to-faceandcentre-to-facedimensions) Definition and selection of DN (nominal size) of ISO 6708 piping components [Pipeworkcomponents-Definitionandse- lectionofDN(nominalsize)] ISO 7005-1 Pipe flanges Part 1: Steel flanges for industrial and general piping systems (Pipeflanges-Part 1: Steel flangesforindustrialandgeneralservicepipingsystems) ISO 7005-2 Metallic flanges Part 2: Cast iron flanges (Metalicflanges-Part 2: Castironflanges) ISO 7005-3 Metallic flanges-Part 3: Copper alloys and composite flanges (Metalicflanges-Part 3: Copperaloy andcompositeflanges) ISO 9080 Plastics piping and piping systems Determination of long-term hydrostatic strength of thermoplastic pipes by extrapolation (Plastics pipingandductingsystems-Determinationofthelong-termhydrostaticstrengthofthermoplastics materialsinpipeformbyextrapolation) ISO 9227 Artificial atmosphere corrosion test Salt spray test (Corrosiontestsinartificialatmospheres-Saltspray tests) ISO 9644 Test method for pressure loss of irrigation valves in agricultural irrigation equipment (Agriculturalirrigationequipment- Pressurelossesinirrigationvalves-Testmethod) ISO 9911:2006 Agricultural irrigation equipment Small manual plastic valve (Agriculturalirrigationequipment-Manualy operatedsmalplasticsvalves) EN681-1 Material requirements for elastomer seals for water supply and drainage pipe connection seals - Part 1: Vulcanized rubber (Elas- tomericseals-Materialsrequirementsforpipejointsealsusedinwateranddrainageapplications- ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 18691.1-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 18691.1-2021_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 18691.1-2021?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18691.1-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
