GB/T 19812.1-2017 in English
VALIDPlastic equipment for water saving irrigation—Part 1：Drip tape with labyrinth on one side
- Issued on:2017-11-01
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$233.00
《GB/T 19812.1-2017塑料节水灌溉器材 第1部分：单翼迷宫式滴灌带》由TC48（全国塑料制品标准化技术委员会）归口，TC48SC3（全国塑料制品标准化技术委员会塑料管材、管件及阀门分会）执行，主管部门为中国轻工业联合会。
Introduction
GB/T 19812.1—2017 Standard Background and Significance
Drip irrigation technology is an important means of efficient water conservation in modern agriculture. The quality of its equipment is directly related to irrigation efficiency and the rational use of water resources. This standard specifies the terminology, marking, material requirements and performance indicators of single-wing labyrinth drip irrigation belts, aiming to improve product quality and ensure the stability and reliability of irrigation systems.
Comparison of major changes
| Items | Old version of the standard (GB/T 19812.1—2005) | New standard (GB/T 19812.1—2017) |
|---|---|---|
| Name adjustment | Specific product type is not specified | More precise "single-wing labyrinth drip irrigation belt" |
| Material requirements | Basic requirements | Add specifications for the use of polyethylene recycled materials, and clearly prohibit toxic and hazardous materials |
| Nominal wall thickness specifications | Fewer specification options | Two new specifications of 0.30mm and 0.40mm are added, with more abundant product choices |
| Flow uniformity | C value is ±8% | C value is adjusted to ±7%, Cv does not exceed 7% |
Interpretation of key technical parameters
Rated working pressure: The maximum allowable pressure under design conditions, usually 100kPa, to ensure the pressure resistance and stability of the drip irrigation system.
Nominal inner diameter and wall thickness: The limit deviations of different specifications are specified, such as the deviation of the nominal inner diameter of 16mm is ±0.3mm, which ensures the structural consistency of the drip irrigation belt.
Flow uniformity: By controlling the C value and Cv, ensure that the water output of each drip hole is uniform and reduce the problem of uneven irrigation.
Implementation suggestions
In actual applications, procurement, installation and maintenance should be carried out strictly in accordance with the standards:
- Choose drip irrigation tape that meets the standards to ensure that the materials and performance meet the standards.
- Check the appearance and markings before installation to avoid using defective products.
- Regularly maintain the irrigation system, clear the silt blockage, and extend the life of the equipment.
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/T 24456-2009 in English
High-density polyethylene silicore plastic duct
2009-10-15 -
GB/T 18042-2000 in English
Thermoplastics pipes--Determination of creep ratio
2000-04-05 -
GB/T 6671-2001 in English
Thermoplastics pipes - Determination of longitudinal reversion
1986-08-05 -
GB/T 15560-1995 in English
Standard test method for short - Time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids
1995-05-02 -
GB/T 14152-2001 in English
pipes - Determination of resistance to external blows - Round - The - Clock method
1993-02-01 -
GB/T 8802-2001 in English
Thermoplastics pipes and fitting - Determination of vicat softening temperature
1988-02-25
