The Grundfos CH 8-50 pump has worked with faith and glory for more than ten years ... but the time has come for a mechanical seal due to wear friction pairs need to be replaced. The wear of the mechanical seal and the durability of its use depends on many operational factors:
- work in "dry" or as many people call "dry operation of the pump" then the mechanical seal wears out as quickly as possible. Under normal operation, the absence of abrasive impurities in the pumped medium - the end face serves for several years without replacement.
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