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GB/T 21401-2008: Agricultural irrigation equipment -- Aluminum irrigation tubes
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21401-2008 | English | 209 |
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Agricultural irrigation equipment -- Aluminum irrigation tubes
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GB/T 21401-2008
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Basic data | Standard ID | GB/T 21401-2008 (GB/T21401-2008) | | Description (Translated English) | Agricultural irrigation equipment -- Aluminum irrigation tubes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B91 | | Classification of International Standard | 65.060.35 | | Word Count Estimation | 9,934 | | Date of Issue | 2008-02-03 | | Date of Implementation | 2008-07-01 | | Quoted Standard | GB/T 2828.1-2003; GB/T 3190-1996; ISO 209-1-1989 | | Adopted Standard | ISO 11678-1996, MOD | | 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 the irrigation system performance requirements and test methods for water tubes. Applicable temperature does not exceed 50��C. This standard specifies the manual traction tubes, pipes fixed or temporary installation. This standard does not apply to the whole pipeline connection, applicable to this standard is the standard pipeline for future research. | GB/T 21401-2008: Agricultural irrigation equipment -- Aluminum irrigation tubes---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. Aluminum irrigation tubes
ICS 65.060.35
B91
National Standards of People's Republic of China
Agricultural irrigation equipment aluminum irrigation pipe
(ISO 11678.1996, MOD)
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 revised standard adopts ISO 11678.1996 "Agricultural irrigation equipment aluminum irrigation pipe" (in English).
This standard is based on ISO 11678.1996 redrafted.
Taking into account China's national conditions and ease of use, the use of ISO 11678.1996, the following changes were made.
--- "This International Standard" be replaced by "this standard";
--- Remove the preface of international standards, national standards increase the foreword;
--- According to GB/T 3190 "Wrought aluminum and aluminum alloy chemical composition," adds the corresponding chemical composition of the material;
--- Of ISO 11678.1996 and other international standards referenced in our country who have been adopted as a standard by our standards instead of the corresponding
International standards;
--- With a decimal point "." Instead of a comma as the decimal point "."
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 Yuan Shou its Tang Yue, Li, Shi Weidong.
This standard was first formulated.
Agricultural irrigation equipment aluminum irrigation pipe
1 Scope
This standard specifies performance requirements and test methods for water for agricultural irrigation systems in aluminum, suitable temperature does not exceed 50 ℃.
This standard applies to manual traction tube, fixed or temporary installation of the pipeline.
This standard does not apply to the overall connection pipeline for this pipeline standards are standard for future research.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample
Programme (ISO 2859-1.1999, IDT)
GB/T 3190-1996 Wrought aluminum and aluminum alloy chemical composition (neq ISO 209-1. 1989)
ISO 209-1. 1989 Wrought aluminum and aluminum alloys - Chemical composition and forms of products - Part 1. Chemical composition
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
In the inner and outer surface of the tube has a metal stick and aluminum or aluminum alloy coating, it is relative to the core metal anode, which can protect nuclear
Metal heart was not subject to corrosion.
3.2
The arithmetic average of two mutually perpendicular outer diameter, in which a vertical cross section measured at.
3.3
On the circumference of a vertical cross-section of a uniform arrangement of eight points, taking 8.00 arithmetic mean wall thickness measurement value, but for welded tubes, not
We should take in the weld point.
3.4
The minimum tensile strength of the nominal diameter (mm) divided by the product of (MPa) and wall thickness (mm) square of aluminum to withstand external mechanical load assessment
Index without the risk of permanent deformation.
3.5
Its value is substantially equal to the conventional aluminum tube outer diameter.
3.6
Under normal operating conditions the pipe can withstand the maximum working pressure.
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