ISO 1607-2:1989
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Positive-displacement vacuum pumps Measurement of performance characteristics Part 2: Measurement of ultimate pressure
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
11-03-2019
English, French
19-10-1989
The considered pumps discharge the gas against atmosphere pressure and achieve a limiting inlet pressure of less than 100 Pa in one stage. The method adopted is that the ultimate pressure is measured at a specified temperature in a specified form of test dome attached to the inlet of the pump.
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