GB/T 40344.4-2025

Active

Vacuum technology—Standard methods for measuring vacuum-pump performance—Part 4: Turbomolecular vacuum pumps

真空技术 真空泵性能测量标准方法 第4部分:涡轮分子泵

Standard Type
GBT
ICS
23.160
CCS
J78
Status
Active
Issue Date
2025-08-01
Implementation
2025-11-01
Centralized Committee
中国机械工业联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the measurement methods for key performance parameters of turbomolecular vacuum pumps, including pumping speed, compression ratio, and ultimate pressure. It is applied in industries such as semiconductor manufacturing, scientific research, and vacuum coating, where precise high-vacuum or ultra-high-vacuum conditions are required. The standard ensures consistent testing procedures for evaluating pump performance under defined conditions, facilitating quality control and system design.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.