Publikuar
The considered method of measurement deals with vapours jet vacuum pumps, diffusions pumps and diffusion-ejector pumps. The dependence of the performance of these pumps on the backing pressure can only be completely described be means of a curve relating the inlet and backing pressure over the range of operation. The recommended test dome and the principle of the test equipment are illustrated.
                WITHDRAWN
                                    ISO 1608-2:1978
                            
                    PUBLISHED
                    ISO 1608-2:1989
                    90.92
                                        Standard to be revised
                    26 nën 2024
                
                IN_DEVELOPMENT
                                    ISO/WD 21360-7