Turbocompressors. Performance test code1 Scope This International Standard applies to performance tests on turbocompressors of all types. It does not apply to fans and high vacuum pumps, or to jet type compressors with moving drive components Turbocompressors comprise machines in which inlet, compression and discharge are continuous flow processes. The gas is conveyed and compressed in impellers and decelerated with further increase in pressure in fixed vaned or vaneless stators. This

The main changes compared to the ISO 22915-21:2009 are as follows:

Who is ISO 9712 - Qualification and certification of non-destructive testing personnel for

test room and test rig

you can efficiently manufacture high-quality flat products made of steel

This document specifies a method of testing the continuous wave (cw) laser resistance of the shaft of a tracheal tube and the cuff regions including the inflation system of tracheal tubes designed to resist ignition by a laser

review and improvement

— guidance on the selection of the appropriate ISO standard procedures for the analyses and testing of coals

Composting and recycling facilities

Fixed operating point interoperability

The requirements concerning the analyzer are more detailed and description of the testing has been extended

height and strength of barriers

and footwear manufacturers