SMC Networks HRR012-A*-20 Series, Руководство по эксплуатации

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HRX-OM-W002-A
Chapter 8 Control, Inspection, Exchange and Cleaning
8.2 Inspection, exchange, cleaning HRR Series
8-8
8.2.4 Inspection every 6 months

Check for water leakage from pump (For option T [High head pump])
Remove the filter panel and check the pump for excessive leakage. If the
leakage is found, replace the mechanical seal.
Fig. 8.2-4 leak check
Pump
Circulating fluid should not be
accumulating in drain pan.

Leakage from the mechanical seal
It is impossible to prevent the leakage from the mechanical seal completely because
of its structure. Although the leakage is described as 3cc/hr or less.

The recommend life time of the mechanical seal before needing replacement is 6000
to 8000 hours (usually 1 year)