GB/T 25753.3-2011
Vacuum technology.Roots vacuum pump.Measurement of performance characteristics.Part 3:Measurement of overflow valve differential pressure (English Version)

Standard No.

GB/T 25753.3-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 25753.3-2011

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.

GB/T 25753.3-2011 history

• 2011 GB/T 25753.3-2011 Vacuum technology.Roots vacuum pump.Measurement of performance characteristics.Part 3:Measurement of overflow valve differential pressure

GB/T 25753.3-2011 -All Parts