Self Priming Trash Pumps
These pumps are designed to move solids laiden waste water, particularly large solids suspended in the flow & offer ease of access to clear any chokes.
They also offer excellent suction lifts & can reprime the suction leg without the need for a foot-valve.
Available is sizes from 50mm to 300mm and flows exceeding 750m3/Hr
Advantages
Doesn’t require a foot-valve to prime
Ease of maintenance & service with no special tools
Easy access to clear chokes
Once correctly set up, become very reliable pumps
Many manufacturers available nowadays with good parts interchangeability
Limitations
Generally low heads
Pipework layout is fundamental to reliable operation
Short suction line with little to no horizontal lengths
Body must be initially primed
Low efficiencies
‘Stringy’ material does get caught up in impeller
Common brands serviced include;
Pioneer, Gorman Rupp, Varisco, Wemco WSP, Gresco, Smoothflo, Southern Cross, Davey, Remko, Suoto, Griffin, Cornell, Titan, Paco, Berkeley, Wacker Neuson, Hisco, Summit Pumps, Godwin, Ebara, Maxflo pumps, Gator Pumps