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Operating Instructions and Replacement Parts List
FEET FRICTION LOSS IN 100 FEET OF PLASTIC PIPE
Gallons Per Minute
Pipe
Size 20 25 30 40 50 60 80 100 120
1
1
/
4
5.6 8.5 11.9 20.2 30.5
1
1
/
2
2.6 4.0 5.5 9.4 14.3 19.9 34.2
2 1.2 1.6 2.8 4.2 5.8 9.9 15.0 21.2
2
1
/
2
1.2 1.8 2.5 4.2 6.3 8.8
Performance Information
Semi-Trash Pump Performance
Discharge Head
Gallons/Hour
GPH550
GPH400
Gas Performance
GAS PERFORMANCE
Model Discharge Head HP 0’ 20’ 40’ 60’ 80’
GPH400 Gallons/Hour 4.0 6600 5700 5100 4500 3900
GPH550 Gallons/Hour 5.5 16800 14400 12000 9000 4620