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GB/T 21402-2008 English PDF

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GB/T 21402-2008: Agricultural irrigation equipment -- Control heads
Status: Valid
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PDF similar to GB/T 21402-2008


Standard similar to GB/T 21402-2008

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Basic data

Standard ID GB/T 21402-2008 (GB/T21402-2008)
Description (Translated English) Agricultural irrigation equipment -- Control heads
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B91
Classification of International Standard 65.060.35
Word Count Estimation 12,143
Date of Issue 2008-02-03
Date of Implementation 2008-07-01
Quoted Standard GB/T 778.1-1996; GB/T 778.3-1996; GB/T 7306.1-2000; GB/T 9114-2000; GB/T 10002.1-2006; GB/T 13663-2000; GB/T 17241-1998; GB/T 18689-2002; GB/T 18690.2-2002; GB/T 18690.3-2002; GB/T 18691-2002; GB/T 18692-2002; GB/T 18693-2002; GB/T 19793-2005; GB/T 19794; GB/Z 19798-2005; ISO 9625-1993
Adopted Standard ISO 11738-2000, IDT
Regulation (derived from) National Standard Approval Announcement 2008 No.2 (Total No.115)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies requirements for pressurized irrigation system components and installation methods head controller. This standard applies only to ground sprinkler and micro irrigation system components head controller. Also applicable to the general irrigation head controller. In the general irrigation head controller can install additional irrigation control and command elements, but not for additional components. This standard does not apply to systems and/or components in case of frost irrigation head controller requirements, such as dry barrel hydrant hydrant or other forms. Special Instructions design and operational requirements of this standard did not give up a single element of the irrigation head controller, in their respective standards give detailed instructions. For components containing pesticide spray head irrigation system controller shall be provided components and injection valves and other safety devices to detect backflow prevention, but this standard does not include such equipment requirements.

GB/T 21402-2008: Agricultural irrigation equipment -- Control heads

---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. Control heads ICS 65.060.35 B91 National Standards of People's Republic of China GB/T 21402-2008/ISO 11738.2000 Agricultural irrigation equipment Head Controller (ISO 11738.2000, IDT) Posted 2008-02-03 2008-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 11738.2000 "Agricultural irrigation equipment Head Controller" (in English). This standard is equivalent to translate ISO 11738.2000. For ease of use, in the use of ISO 11738.2000, the editorial changes made the following. --- "This International Standard" be replaced by "this standard"; --- Deleted international standards foreword; --- Of ISO 11738.2000 and other international standards referenced in our country who have been adopted as a standard by our standards instead of the corresponding International standards. Appendix A of this standard is an informative annex. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee of agricultural machinery. This standard was drafted. Technical Research Center of Fluid Machinery Engineering, Jiangsu University, Chinese Academy of Agricultural Mechanization Sciences. The main drafters of this standard. Wang Yang, Zhang Xian Sheng, Tang Yue, Yuan Jianping, Yuan Shou it, Li. This standard was first formulated. GB/T 21402-2008/ISO 11738.2000 Agricultural irrigation equipment Head Controller

1 Scope

This standard specifies requirements for pressurized irrigation system components and how to install the head controller (referred to as the irrigation head controller GB /Z19798-2005 agricultural irrigation Automatic irrigation systems equipment hydraulic control (ISO /T R8059. 1986, MOD) ISO 9625.1993 irrigation fittings polyethylene

3 Terms and Definitions

The following terms and definitions apply to this standard. GB/T 21402-2008/ISO 11738.2000

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