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GB/T 18687-2012: Agricultural irrigation equipment -- Sprayers -- General requirements and test methods
Status: Valid GB/T 18687: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 18687-2012 | English | 439 |
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Agricultural irrigation equipment -- Sprayers -- General requirements and test methods
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GB/T 18687-2012
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| GB/T 18687-2002 | English | 519 |
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Agricultural irrigation equipment -- Sprayers -- General requirements and test method
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GB/T 18687-2002
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PDF similar to GB/T 18687-2012
Basic data | Standard ID | GB/T 18687-2012 (GB/T18687-2012) | | Description (Translated English) | Agricultural irrigation equipment -- Sprayers -- General requirements and test methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B91 | | Classification of International Standard | 65.060.35 | | Word Count Estimation | 19,196 | | Older Standard (superseded by this standard) | GB/T 18687-2002 | | Quoted Standard | GB/T 7306.1; GB/T 7306.2; GB/T 27612.3-2011 | | Adopted Standard | ISO 8026-2009, MOD | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | 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 non-rotating sprinkler irrigation (hereinafter referred to as the nozzle) the technical requirements and test methods. This standard applies to irrigation systems installed in the working medium and irrigation water sprinklers. | GB/T 18687-2012: Agricultural irrigation equipment -- Sprayers -- General requirements and test methods
---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.
ICS65.060.35
B91
National Standards of People's Republic of China
Replacing GB/T 18687-2002
Agricultural irrigation equipment non-rotating nozzle
Technical requirements and test methods
(ISO 8026.2009, MOD)
Issued on. 2012-12-31 2013-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
This standard replaces GB/T 18687-2002 "non-rotating sprinkler technical requirements and test methods of agricultural irrigation equipment."
This standard compared with GB/T 18687-2002, the main technical difference except outside editorial changes as follows.
--- Adjusted normative references (see Chapter 2);
--- Add and adjust some of the terms and definitions (see Chapter 3);
--- Increasing the head of the category type (see 4.2, 4.4 and 4.5);
--- Cancellation detailed provisions sampling and inspection rules;
--- Increasing the measurement accuracy requirements and refine the general test conditions (see 6.1 and 6.2);
--- Adjust the diameter of the spray, spray water distribution curve graphics and test methods, and increase the provision of a test method (see 6.3);
--- Re-enacted with the GB/T 18687-2002 different traffic conformance test methods (see 6.3.5);
--- Refined spray height measurement method, and provides the tolerances (see 6.3.7);
--- Endurance test time from 1500h adjusted to 2000h, and increasing the durability test after test project requirements (see 6.4);
--- Supercharging pressure at room temperature performance of the tests prescribed by the differential 100kPa to 50kPa (see 6.5.2.1);
--- High temperature pressure resistance test maintain maximum working pressure of uniform regulations for the time 8h (see 6.5.3.1).
This standard uses redrafted law revision adopted ISO 8026.2009 "Agricultural non-rotating sprinkler irrigation equipment technical requirements and test methods
Law "(in English).
This standard and ISO 8026.2009 for the difference.
--- On normative references, this standard has been adjusted technical differences, focus adjustments are reflected in Chapter 2, the specific
Adjusted as follows. The equivalent to the GB/T 7306.1 ~ 7306.2-2000 instead of ISO 7-1.1994.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee (SAC/TC201) Agricultural machinery centralized.
This standard was drafted. Chinese Academy of Agricultural Mechanization Sciences, Technology Research Center of Fluid Machinery Engineering, Jiangsu University, Zhejiang Agricultural Real
Co., Ltd.
The main drafters. Zhang Xian Sheng, Wang Yang, Wang Hongren, blue only, Li, Liu Junping, Societe Zhu, Wang Xinkun.
This standard replaces the standards previously issued as follows.
--- GB/T 18687-2002.
Agricultural irrigation equipment non-rotating nozzle
Technical requirements and test methods
1 Scope
This standard specifies the technical requirements and test methods for non-rotating sprinkler irrigation (hereinafter referred to as the head) of.
This standard applies to the installation of irrigation systems and the working medium is water for irrigation sprinklers.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 7306.1 ~ 7306.2 55 ° sealing pipe thread (GB/T 7306.1 ~ 7306.2-2000, eqvISO 7-1.1994)
GB/T 27612.3-2011 Agricultural irrigation equipment - Sprinklers - Part 3. water distribution characteristics and test methods (ISO 15886-3.
2004, IDT)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Ambient temperature ambienttemperature
Head ambient temperature.
3.2
Rain barrel colector
Water distribution nozzle, spray or spray diameter graphics test, the spray nozzle for a container to collect water.
3.3
Spray diameter diameterofcoverage
In a spray nozzle area of \u200b\u200bcontinuous operation, the point where the head along a straight line through the two measuring effective irrigation farthest point within the range of intensity
The distance between the approximate value equal to twice the range.
3.4
Effective irrigation intensity effectiveapplicationrate
The flow rate is greater than 75L/h sprinklers, irrigation intensity greater than or equal to 0.26mm/h; the flow rate is equal to or less than 75L/h jet
Head irrigation intensity greater than or equal to 0.13mm/h.
3.5
Irrigation capillary irrigationlateral
Irrigation system directly or via a linker, such as the installation riser pipe or emitters (such as sprinklers) supply pipe.
3.6
Non-rotating sprinkler irrigation irrigationsprayer
No rotational movement of the parts, a thin stream of water spray form or fan-shaped spray device.
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