Vertical Pump VS Self-priming Pump

Views: 7 Author: Site Editor Publish Time: 2016-01-07 Origin: Site

Other Vertical Pumps	Self-Priming Pump

Priming water & performance		Valveless design allows pump to prime liquids containing limited amounts of solid particles. Prevents backflow by siphoning and keeps priming water in auxiliary tank. Automatically primes 16.4 ft. in less than 2 minutes.
Bushing & suction pipe	Submersed pumps always require bushing. Additional bushing is required when suction pipes are longer than 5.2 ft. (from pump base).	Pump can handle any liquid level with a low-cost extension of the suction pipe.
Cooling water	Requires outer cooling water for the bushing. Used cooling water enters sump pit, adding wastewater treatment costs. Insufficient volume of cooling water caused by its water pressure or frozen pipes tends to lead to pump failure.	Requires no outer cooling water.
Maintenance	Unclogging strainers can be tedious and expensive. Costly periodic replacement of bushing.	Strainers are easily cleaned by lifting the suction pipe. Lightweight construction enables the maintenance work to be carried out by one person.

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