The issue of spares for submersible pumps
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For submersible pumps operating continuously, how should backup be considered? Are two units installed directly on the tank equipment? Should there be another one in the warehouse as a backup?
Whether to use hot backup or cold backup depends on whether the installation and removal of equipment can be paused and whether replacement is convenient. In harsh environments, use hot standby by installing two units directly and switching via valves.
Continuous operation: is it allowed to stop? If it’s not allowed, then of course install two
For continuous operation, one in use and one as backup should be considered, by installing two units directly on the tank equipment. If operating intermittently, keep one spare in the warehouse.
Continuous operation, in standby mode – how can it be stored in a warehouse? If that’s the case, and one pump breaks down, then one has to go to the warehouse to get a replacement, and after installing it, can it still be considered continuous operation?
Install two units, one in operation and one as a backup; for equipment that runs continuously, a backup pump is necessary, so that it can be activated immediately once the primary pump needs to be replaced.
To monitor the equipment’s performance, it is recommended to install two units when used continuously (one in use and one as a backup). If it operates intermittently, another unit can be kept in stock in the warehouse.