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GB/T 27612.2-2025 English PDF

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GB/T 27612.2-2025: Agricultural irrigation equipment - Sprinklers - Part 2: Design and operation requirements
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GB/T 27612.2-2025English294 Add to Cart 3 days [Need to translate] Agricultural irrigation equipment - Sprinklers - Part 2: Design and operation requirements Valid GB/T 27612.2-2025

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Basic data

Standard ID GB/T 27612.2-2025 (GB/T27612.2-2025)
Description (Translated English) Agricultural irrigation equipment - Sprinklers - Part 2: Design and operation requirements
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B91
Classification of International Standard 65.060.35
Word Count Estimation 14,180
Date of Issue 2025-05-30
Date of Implementation 2025-12-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 27612.2-2025: Agricultural irrigation equipment - Sprinklers - Part 2: Design and operation 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.
ICS 65.060.35 CCSB91 National Standard of the People's Republic of China Agricultural irrigation equipment sprinkler Part 2.Structural and operational requirements (ISO 15886-2.2021,IDT) Released on 2025-05-30 2025-12-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document is part 2 of GB/T 27612 "Sprinklers for agricultural irrigation equipment". GB/T 18691 has been published in the following parts. --- Part 1.Terminology and classification; --- Part 2.Structural and operational requirements; --- Part 3.Water distribution characteristics and test methods; --- Part 4.Durability test methods. This document is equivalent to ISO 15886-2.2021 "Sprinklers for agricultural irrigation equipment Part 2.Structural and operational requirements". Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the 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 Agricultural Mechanization Research Institute Group Co., Ltd., Jiangsu University, Hebei Chengruida Irrigation Technology Co., Ltd. Company, Xuzhou Delong Irrigation and Drainage Equipment Co., Ltd., Jiangsu Jinggong Pump Industry Co., Ltd., China Agricultural University, Agricultural Irrigation Research Institute of Chinese Academy of Agricultural Sciences Institute, Zhejiang Shengshiyuanlin Technology Co., Ltd., Taizhou Special Equipment Inspection and Testing Institute, and Wenling Fangyuan Testing Co., Ltd. The main drafters of this document are. Zhao Liwei, Xue Mengyun, Wang Pengcheng, Zhang Zhaoxu, Liu Dongwei, Xue Feng, Cao Puyu, Zhang Xiansheng, Yan Haijun, Han Qibiao, Lin Wei, Zhao Danhua, Zhang Yun, Yin Gang, and Lu Shusheng.

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 sprinkler heads. --- Part 2.Structure and operation requirements. The purpose is to provide the technical requirements for the structure and operation of the sprinkler. --- Part 3.Water distribution characteristics and test methods. The purpose is to give the key performance indicators of the sprinkler water distribution characteristics and their Test method. --- Part 4.Durability test method. The purpose is to provide the test method for the durability of the nozzle. This series of standards fully provides the terms and definitions, structure and operation requirements, water distribution characteristics and test methods, durability test methods, etc. of sprinkler heads. The test method provides a basis for the manufacturing and product upgrading of agricultural irrigation equipment sprinklers. Agricultural irrigation equipment sprinkler Part 2.Structural and operational requirements

1 Scope

This document specifies the structure, operating requirements and test methods of sprinklers for agricultural irrigation. The sprinkler heads specified in this document are broad sprinkler heads, covering all types of products defined in ISO 15886-1.This document is applicable to rotary sprinkler heads. This document applies to sprinklers installed on branch pipes for spraying irrigation water.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. Note. GB/T 7306.1~7306.2-2000 55° sealing pipe thread (eqvISO 7-1.1994) Note. GB/T 27612.1-2023 Agricultural irrigation equipment nozzles Part 1.Terminology and classification (ISO 15886-1.2012, IDT) Note. GB/T 27612.3-2023 Agricultural irrigation equipment nozzles Part 3.Water distribution characteristics and test methods (ISO 15886-3.2021, IDT) Note. GB/T 27612.4-2023 Agricultural irrigation equipment nozzles Part 4.Durability test method (ISO 15886-4.2019, IDT)

3 Terms and definitions

For the purposes of this document, the terms and definitions defined in ISO 15886-1, ISO 15886-3 and the following apply. 3.1 Ambient temperature ambienttemperature The air temperature around the nozzle (3.3). 3.2 clean water After treatment (if necessary), it shall contain no more than 74 μm (200 mesh) of suspended particles and shall not contain any known short-term hazards to nozzle materials. Water containing insoluble chemicals that affect the production of 3.3 Sprinkler Sprinklers of any size or type.

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