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GB/T 19792-2025 English PDF

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GB/T 19792-2025: Agricultural irrigation equipment - Water-driven chemical injector pumps

GB/T 19792: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 19792-2025	English	274	Add to Cart	3 days [Need to translate]	Agricultural irrigation equipment - Water-driven chemical injector pumps		GB/T 19792-2025
GB/T 19792-2012	English	279	Add to Cart	3 days [Need to translate]	Agricultural irrigation equipment -- Water-driven chemical injector pumps	Valid	GB/T 19792-2012
GB/T 19792-2005	English	479	Add to Cart	4 days [Need to translate]	Agricultural irrigation equipment -- Water-driven chemical injector pumps	Obsolete	GB/T 19792-2005

Basic data

Standard ID	GB/T 19792-2025 (GB/T19792-2025)
Description (Translated English)	Agricultural irrigation equipment - Water-driven chemical injector pumps
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	B91
Classification of International Standard	65.060.35
Word Count Estimation	14,114
Date of Issue	2025-10-31
Date of Implementation	2026-05-01
Older Standard (superseded by this standard)	GB/T 19792-2012
Issuing agency(ies)	State Administration for Market Regulation and Standardization Administration of China

GB/T 19792-2025: Agricultural irrigation equipment - Water-driven chemical injector pumps

---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 the People's Republic of China Replaces GB/T 19792-2012 Agricultural irrigation equipment water-powered fertilizer-pesticide injection pump (ISO 13457.2021, IDT) Published on 2025-10-31 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

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 supersedes GB/T 19792-2012 "Agricultural Irrigation Equipment - Water-Powered Fertilizer and Pesticide Injection Pumps" and is consistent with GB/T 19792-2012. In comparison, aside from structural adjustments and editorial changes, the main technical changes are as follows. a) The terms “nominal size”, “minimum operating pressure”, “maximum operating pressure”, “irrigation water flow rate”, and “tandem water injection pump” have been changed. The definition of "parallel-connected hydrodynamic injection pump" (see 3.2~3.4, 3.10, 3.18, 3.19; 3.2~3.4, 3.8, 3.16, 3.17 of the.2012 edition); b) The terms and definitions for "driving water flow rate", "driving water flow rate range", and "maximum suction head" have been added (see 3.7, 3.9, and 3.21); c) Material requirements have been changed (see 6.2,.2012 edition); d) The general requirements for mechanical and functional property testing have been revised (see 7.1,.2012 edition of 7.1); e) The durability testing method has been changed (see 8.1,.2012 edition of 8.1). This document is equivalent to ISO 13457.2021 "Agricultural irrigation equipment - Water-powered fertilizer - Pesticide injection pumps". Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee on Standardization of Agricultural Machinery (SAC/TC201). This document was drafted by. Xinji Pump Industry (Zhejiang) Co., Ltd., China Academy of Agricultural Mechanization Sciences Group Co., Ltd., and Jiangxi Provincial Water Resources Department. Chinese Academy of Sciences, Jiangsu University, Puxuant Pump Industry Co., Ltd., Shandong Toyota Water Saving Equipment Co., Ltd., China Agricultural University, China Agricultural Sciences Institute of Farmland Irrigation, Xinjiang Academy of Agricultural Sciences, Wenling Fangyuan Testing Co., Ltd., Taizhou Special Equipment Inspection and Testing Institute Research Institute. The main drafters of this document are. Xu Longbo, Zhao Liwei, Liu Xiaoping, Cao Puyue, Lu Wanfang, Li Ling, Zhang Desheng, Yan Haijun, Li Rui, and Zhang Yun. Zhao Danhua, Zhang Xiansheng, Zhang Huaming, Ge Xianwei, Sun Hao, Lü Shusheng, Zhu Jinjin, Wu Qifeng. This document was first published in.2005, revised for the first time in.2012, and this is the second revision. Agricultural irrigation equipment water-powered fertilizer-pesticide injection pump

1 Scope

This document specifies the structure, technical requirements, and test methods for a water-powered fertilizer-pesticide injection pump (hereinafter referred to as a water-powered injection pump). Injection pumps are used to inject fertilizers and pesticides into irrigation systems. Fertilizers and pesticides include liquid fertilizers, fertilizer solutions, acids, insecticides, and pesticides. Soluble pesticides such as herbicides. This document applies to operations in water containing fertilizers and pesticides of the types and concentrations commonly used in irrigation systems, at temperatures not exceeding 50°C. Water-driven injection pump. This document does not apply to backflow prevention devices, nor to Venturi-type hydraulic devices for injecting fertilizers and pesticides into irrigation systems.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. Note. GB/T 7306.1-2000 55° Sealing Pipe Threads - Part 1.Cylindrical Internal Threads and Tapered External Threads (eqv ISO 7-1.1994) GB/T 7306.2-2000 55° Sealing Pipe Threads - Part 2.Tapered Internal and External Threads (eqv ISO 7-1.1994) ISO 7005-1 Pipe flanges - Part 1.Steel flanges for industrial and general purpose piping systems Note. GB/T 9124.1-2019 Steel pipe flanges - Part 1.PN series (ISO 7005-1.2011, NEQ) GB/T 9124.2-2019 Steel pipe flanges - Part 2.Class series (ISO 7005-1.2011, NEQ) GB/T 13402-2019 Large-diameter steel pipe flanges (ISO 7005-1.2011, NEQ) ISO 7005-2 Metal flanges - Part 2.Cast iron flanges

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 water-driven injector pump A hydraulic pump that uses only the energy of irrigation water to drive hydraulic devices such as pistons and turbines to inject fertilizers and pesticides (3.12) into the irrigation system. 3.2 nominal size Numerical dimensions used to define the nominal dimensions of the interface of a hydraulic injection pump (3.1) connected to an irrigation system via threads, flanges, or other connections. mark. 3.3 pmin The manufacturer declares the minimum pressure at the upstream inlet of the water injection pump (3.1) during continuous operation and specific functions.

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