Resumen
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.
Informaciones generales
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Estado: PublicadoFecha de publicación: 1989-12Etapa: Norma Internacional confirmada [90.93]
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Edición: 2Número de páginas: 3
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Comité Técnico :ISO/TC 112ICS :23.160
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Ciclo de vida
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Anteriormente
RetiradaISO 1608-2:1978
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Ahora