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Cornell

4NNW

820 gpm
Flow rate
124 ft (37.8 m)
Max head

Equivalent across brands

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Comparable machines from other manufacturers, scored on normalised, manufacturer-sourced specs.

ModelMatchFlow rateMax head
Thompson Pump 4HT 88% 650 gpm127 ft (38.7 m)
Sykes S100 78% 911 gpm82 ft (25.0 m)
Thompson Pump 4JSVM 76% 1,350 gpm135 ft (41.1 m)
Thompson Pump 4JSCM 76% 1,350 gpm135 ft (41.1 m)
Multiquip QP4TH 71% 555 gpm92 ft (28.0 m)
Thompson Pump 6HT 71% 1,430 gpm104 ft (31.7 m)

Documents

Full specifications

BEP Efficiency70%
BEP Flow700 GPM
BEP Head90’ ft
Discharge Size4” in
Maximum Flow820 GPM
Maximum Speed1800 RPM
Minimum Flow170 GPM
Shutoff Head124’ ft
Solids Handling3” in
Suction Size4” in

Every figure is traced to the manufacturer’s published data. ↗ opens the source.

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