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GB/T 27612.4-2023 English PDF

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US$264.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 27612.4-2023: Agricultural irrigation equipment - Sprinklers - Part 4: Test methods for durability
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 27612.4-2023	264	Add to Cart	3 days	Agricultural irrigation equipment - Sprinklers - Part 4: Test methods for durability	Valid

Similar standards

GB/T 24674 GB/T 33006 GB/T 25409 GB/T 45789 GB/T 27612.2 GB/T 27612.3

Basic data

Standard ID: GB/T 27612.4-2023 (GB/T27612.4-2023)
Description (Translated English): Agricultural irrigation equipment - Sprinklers - Part 4: Test methods for durability
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B91
Classification of International Standard: 65.060.35
Word Count Estimation: 14,130
Date of Issue: 2023-11-27
Date of Implementation: 2024-06-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 27612.4-2023: Agricultural irrigation equipment - Sprinklers - Part 4: Test methods for durability

---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.
ICS 65:060:35 CCSB91 National Standards of People's Republic of China Agricultural irrigation equipment sprinkler heads Part 4: Durability test methods Published on 2023-11-27 2024-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document is Part 4 of GB/T 27612 "Agricultural Irrigation Equipment Sprinklers": GB/T 27612 has released the following parts: ---Part 1: Terminology and classification; ---Part 3: Water distribution characteristics and test methods; ---Part 4: Durability test methods: This document is equivalent to ISO 15886-4:2019 "Irrigation Equipment Irrigation Sprinklers Part 4: Durability Test Methods": This document has made the following minimal editorial changes: ---In order to coordinate with the existing standards, the name of the standard is changed to "Agricultural Irrigation Equipment Sprinklers Part 4: Durability Test Methods": 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 was drafted by: China Academy of Agricultural Mechanization Sciences Group Co:, Ltd:, Jiangsu University Fluid Mechanical Engineering Technology Research Center Center, China Agricultural University, Taizhou Dongxie Motor Co:, Ltd:, Jiangsu University Fluid Machinery Wenling Research Institute, Wenling Product Quality Inspection Institute: The main drafters of this document: Zhao Liwei, Cao Puyu, Cui Kang, Zhao Yiteng, Lu Shusheng, Zhang Xiansheng, Yan Haijun, Zhang Fangyuan, Ning Chao, Zhu Jianjun, Wang Yang, Xing Li, Yuan Shouqi, Li Guidong:

Introduction

GB/T 27612 "Agricultural Irrigation Equipment Sprinklers" is intended to consist of 4 parts: ---Part 1: Terminology and classification: The purpose is to give the terminology and classification of sprinklers: ---Part 2: Design and operation technical requirements: The purpose is to give technical requirements for nozzle design and operation: ---Part 3: Water distribution characteristics and test methods: The purpose is to give the key performance indicators of the sprinkler head, the water volume distribution characteristics and its experiment method: ---Part 4: Durability test methods: The purpose is to provide a test method for the durability of nozzles: This series of standards completely gives the terms and definitions of nozzles, design and operation technical requirements, water volume distribution characteristics and test methods, resistance to The durability test method provides a basis for the manufacturing and product upgrading of agricultural irrigation equipment sprinkler heads: Agricultural irrigation equipment sprinkler heads Part 4: Durability test methods

1 Scope

This document specifies the durability test conditions and test methods for rotary sprinklers used in agricultural irrigation: The nozzles specified in this document are generalized nozzles, covering all types of products defined by ISO 15886-1 and applicable to all products defined by the manufacturer: Irrigation sprinklers with static and moving parts during operation: For any given nozzle, due to the diversity of nozzle structures, operating conditions and adjustment methods, at least in theory, a large number of For testing, under the condition that the test accuracy meets the requirements, inspection agencies and manufacturers can use interpolation technology to reduce the number of actual tests:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: ISO 15886-3:2012 Agricultural irrigation equipment sprinkler heads Part 3: Water volume distribution characteristics and test methods (Agriculturalir- Note: GB/T 27612:3-2023 Agricultural irrigation equipment sprinkler heads Part 3: Water volume distribution characteristics and test methods (ISO 15886-3:2021, IDT)

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 ambient temperature ambienttemperature The air temperature around the sprinkler head: 3:2 Spray areaareaofcoverage The wetted area formed by spraying when the sprinkler head operates within the effective irrigation intensity range specified in the manufacturer's instructions: 3:3 cleanwater After treatment (if necessary), the suspended particles contained shall not be larger than 74 μm (200 mesh), and shall not have any short-term impact on the nozzle material: Noisy insoluble chemicals in water: 3:4 Water volume distribution curve distributioncurve A graph showing the functional relationship between the distance from the sprinkler head along a specified radius and the irrigation depth: 3:5 DU Use a minimum 25% watering depth to characterize sprinkler head watering uniformity simulated by field measurements or rain gauge grid layout methods sexual coefficient: ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 27612.4-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 27612.4-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 27612.4-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 27612.4-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.