GB/T 33552-2017 in English
VALIDSmall-size gasoline engine direct-link high speed centrifugal pumps―Specification for performance evaluation
- Issued on:2017-03-09
- Implemented on:2017-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$68.00
《GB/T 33552-2017小型汽油机直联高速离心泵 性能评价规范》由TC201（全国农业机械标准化技术委员会）归口，TC201SC4（全国农业机械标准化技术委员会排灌设备和系统分会）执行，主管部门为中国机械工业联合会。
Introduction
In-depth interpretation of the National Standard of the People's Republic of China GB/T 33552—2017
Background and significance of the formulation of the standard
GB/T 33552—2017 "Performance Evaluation Specification for Small Gasoline Engine Direct-connected High-speed Centrifugal Pumps" is one of the important standards in the field of agricultural machinery in my country. The formulation of this standard aims to standardize the performance evaluation method of small gasoline engine direct-connected high-speed centrifugal pumps, ensure the consistency of product quality and performance, and meet the needs of agricultural production.
Drafting Unit and Drafting Person
- China Agricultural Mechanization Science Research Institute
- Fluid Machinery Engineering Technology Research Center of Jiangsu University
- LEO Group Zhejiang Pump Industry Co., Ltd.
- Hangzhou Slater Pump Industry Co., Ltd.
- Aierda Motor Co., Ltd.
- Zhejiang Xiling Co., Ltd.
- Wenling Pengzhuo Electromechanical Technology Co., Ltd.
- Taizhou Dongxie Motor Factory
- National Water Pump and System Engineering Technology Research Center
- Zhejiang Wenling Product Quality Supervision and Inspection Institute
Technical Requirements and Evaluation Indicators
| Performance Level | Specified Flow (QG) | Specified Head (HG) | Pump Efficiency (η) |
|---|---|---|---|
| Grade 1 | QG(1+5%) | HG(1+3%) | 7sp +3.0 |
| Grade 2 | QG（1±5%) | Hg(1±3%) | 7sp +1.0 |
| Grade 3 | QG(1±8%) | HG(1±5%) | 7sp |
Case Analysis of Practical Applications
Take a certain type of small gasoline engine direct-connected high-speed centrifugal pump as an example, assuming that its rated power is 5.89kW and the speed is 600r/min.
| Standard Dimensions | GB/T 33552—2017 | Comparison Standards | Technological Evolution |
|---|---|---|---|
| Scope of Application | Small gasoline engine direct-connected high-speed centrifugal pumps with rated power ≤5.89kW and speed 3~600r/min | - | Special specifications for miniaturized and high-speed pumps have been added |
| Performance evaluation indicators | Flow rate, head, efficiency | GB/T 3216-2007 | The concept of pump efficiency tolerance has been introduced to improve the scientific nature of the standard |
| Test method | Measurement uncertainty classification test | GB/T 3216-2007 | Added performance grade classification and identification requirements |
Implementation suggestions
Manufacturing enterprise suggestions
- Strictly follow the standards for product design and production to ensure that all indicators meet the requirements
- Establish a complete test and inspection system and equip with measuring equipment that meets the requirements of GB/T 3216
- Strengthen factory inspection and type inspection management to ensure stable product quality
User suggestions
- Select and use pumps according to standard requirements to avoid overload operation
- Perform regular maintenance to extend the service life of equipment
- Pay attention to product performance grade identification and choose products that meet your needs
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