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Performance Information
PERFORMANCE CURVE
100
80
60
40
20
1200 2400 3600 4800 6000 7200
Capacit
y
- GPH
Total Dynamic Head - FEET
0
2” Cast Iron Pump Performance
GPS400
www.waynepumps.com
CAPACITIES IN GALLONS PER HOUR
Discharge
Head -
Feet
Dynamic Suction Lift - Feet
0 5 10 15 20 25
20 6600 6420 6180 6000 5640 5220
30 6180 6000 5640 5220 4800 4380
40 5640 5220 4800 4380 4080 3660
50 4800 4380 4080 3660 3300 2820
60 4080 3660 3300 2820 2400 1800
70 3300 2820 2400 1800 1260 720
80 2400 1800 1260 720 0 0
FEET FRICTION LOSS IN 100 FEET OF PLASTIC PIPE
Pipe
Size
Gallons Per Minute
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