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Original instructions
2.25
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
150 250 350 450 550 650 750 850 950 1050 1150 1250 1350 1450 1550
Speed
(RPM)
1400 MAX
1300
1250
1125
1000
750
500
300
Product Service 1-800-522-7658
Chapter 4: Performance Data & Safety Precautions
Models 71818-12, -13, -22, -23
120- 240 Volts 10.0 Amps 1 HP
Blower Performance Curve with 12" FRP inlet
750
500
Airflow Rate (CFM)
Optimum Airflow (CFM) and Static Pressure (inches of water)
850 CFM @ 1.3" to 1400 CFM @ 0.87"
780 CFM @ 1.1" to 1310 CFM @ 0.75"
700 CFM @ 0.87" to 1180 CFM @ 0.62"
300 CFM @ 0.20" to 575 CFM @ 0.12"
200 CFM @ 0.08" to 450 CFM @ 0.10"
Practical range is 200 CFM, 0.08" to 1400 CFM, 0.87" or 1150 CFM, 1.4"
1250 RPM
Optimum Blower
Performance
1000
Note: Ambient Temperatures
Inside Motor Housing Greater
than 125 °F May Reduce
Maximum Blower Performance
960 CFM @ 1.7" to 1100 CFM @ 1.7"
900 CFM @ 1.5" to 1150 CFM @ 1.4"
450 CFM @ 0.4" to 860 CFM @ 0.34"
1500
See Note
1400
1300
RPM
27
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