GOST 32974.4-2023
Vacuum technology. Standard methods for measuring vacuum pump performance. Part 4. Turbomolecular vacuum pumps

Standard No.

GOST 32974.4-2023

Release Date

2023

Published By

GOST

Latest

GOST 32974.4-2023

Scope

This standard, together with GOST 32974.1, establishes methods for measuring the characteristics of turbomolecular vacuum pumps, applies to all types and sizes of turbomolecular vacuum pumps: 　——with mechanical or magnetic bearings; 　——with or without additional molecular stage(s) or other pumping stages on the shaft; 　——with one or more inlets

GOST 32974.4-2023 history

• 2023 GOST 32974.4-2023 Vacuum technology. Standard methods for measuring vacuum pump performance. Part 4. Turbomolecular vacuum pumps