GB/T 7934-2017 in English
VALIDHydraulic two-port slip-in cartridge valves-Technical requirements
- Issued on:2017-11-01
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
| Standard No: | GB/T 7934-2017 |
| Document status: | VALID |
| Title in English: | Hydraulic two-port slip-in cartridge valves-Technical requirements |
| Title in Chinese: | 液压二通盖板式插装阀 技术条件 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2017-11-01 |
| Implemented on: | 2018-05-01 |
| Superseding: |
GB/T 7934-1987 Hydraulic fluid power-Two-port slip-in cartridge valves-Cavities-Technical requirements
|
| ICS Classification: | 23.100.50-Control components |
| Professional Classification: | GB-National Standard |
| Related Keywords: | technical requirements
performance requirements technical requirements new safety requirements valves-technical requirements introduction in-depth interpretation |
| Related Topics: | valve technology
liquid cover GBT7934 GB/T 7934-1987 GB/T 7934-2017 China hydraulic valve industry technology |
《GB/T 7934-2017液压二通盖板式插装阀 技术条件》由TC3（全国液压气动标准化技术委员会）归口，TC3SC1（全国液压气动标准化技术委员会液压传动和控制分会）执行，主管部门为中国机械工业联合会。
Introduction
In-depth interpretation of GB/T 7934—2017 "Technical conditions for hydraulic two-way cover-type cartridge valves"
1. Standard background and technical evolution analysis
GB/T 7934—2017 replaces the standard published in 1987, redefines the terminology of hydraulic two-way cover-type cartridge valves, and adds a number of technical requirements, safety requirements and performance requirements. This revision mainly takes into account the growing demand for high precision, high performance and safety in modern hydraulic systems.
2. Comparison of standard frameworks
| Standard version | Main technical requirements | New content | Scope of application |
|---|---|---|---|
| GB/T 7934—1987 | Basic technical requirements, not involving performance indicators and safety requirements | - | Limited performance parameter range |
| GB/T 7934—2017 | Comprehensively covers technical requirements, safety requirements and performance requirements, and adds inspection rules and marking requirements | Add technical requirements (Chapter 4), safety requirements (Chapter 5), performance requirements (Chapter 6), inspection rules (Chapter 7), etc. | Expand to a wider range of hydraulic system applications |
3. Standard implementation recommendations
Case study:When a hydraulic equipment manufacturer adopted the GB/T 7934-2017 standard, it first conducted a comprehensive technical evaluation of existing products. By comparing the differences between the old and new standards, it was found that the pressure resistance and response characteristics of the products needed to be improved. To this end, the company invested additional R&D resources and cooperated with third-party testing agencies to conduct type inspections to ensure that the products meet the latest requirements.
During the implementation process, it is recommended that companies:
- Establish a dedicated standards interpretation team
- Conduct a comprehensive technical gap analysis
- Develop a detailed upgrade plan
- Strengthen cooperation with testing agencies
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