How to read correctly label of control valve R80 (MR80-4/1-222 of Hydrosila production).
How to read correctly label of control valve R80 (MR80-4/1-222 of Hydrosila production).
Always pay ATTENTION to labeling:
Trademarks and producer ( "Hydrosila");
Serial number and date of production (f.e.: 1611 - in November 2016 year).
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