GB/T 25753.3-2011 in English
VALIDVacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 3: Measurement of overflow valve differential pressure
- Issued on:2011-11-21
- Implemented on:2012-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$146.00
《GB/T 25753.3-2011真空技术 罗茨真空泵性能测量方法 第3部分:溢流阀压差的测量》由TC18(全国真空技术标准化技术委员会)归口,主管部门为中国机械工业联合会。
Scope
This part of GB/T 25753 stipulates the side measurement method of the pressure difference of the relief valve of the Roots vacuum pump. This part of GB/T 25753 applies to Roots vacuum pumps (hereinafter referred to as pumps) with a pumping speed of 30 L/s to 20 000 L/s. This section does not apply to the measurement of the ultimate pressure and pumping rate of the Roots vacuum pump unit performance.

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