Pulse Rate Chart
Flows.com recommends that you follow these guidelines when considering your pulse output rate and the type of valve you will use with the batching system:
Solenoid Valves: 1 second per pulse Ball Valves: 5 seconds per pulse
These guidelines do include a generous safety factor. Faster rates may work depending on your system and accuracy requirements.
Download a PDF version of this chart
Pulse Rates (in seconds per pulse)
| Flow Rate in GPM | 10 pulses per gallon | 1 pulse per gallon | 1 pulse per 10 gallons |
| 1.0 | 6.000 | 60.00 | 600.0 |
| 1.25 | 4.800 | 48.00 | 480.0 |
| 1.5 | 4.000 | 40.00 | 400.0 |
| 1.75 | 3.429 | 34.29 | 342.9 |
| 2.0 | 3.000 | 30.00 | 300.0 |
| 2.25 | 2.667 | 26.67 | 266.7 |
| 2.5 | 2.400 | 24.00 | 240.0 |
| 2.75 | 2.182 | 21.82 | 218.2 |
| 3.0 | 2.000 | 20.00 | 200.0 |
| 3.25 | 1.846 | 18.46 | 184.6 |
| 3.5 | 1.714 | 17.14 | 171.4 |
| 3.75 | 1.600 | 16.00 | 160.0 |
| 4.0 | 1.500 | 15.00 | 150.0 |
| 4.25 | 1.412 | 14.12 | 141.2 |
| 4.5 | 1.333 | 13.33 | 133.3 |
| 4.75 | 1.263 | 12.63 | 126.3 |
| 5.0 | 1.200 | 12.00 | 120.0 |
| 5.5 | 1.091 | 10.91 | 109.1 |
| 6.0 | 1.000 | 10.00 | 100.0 |
| 6.5 | 0.923 | 9.23 | 92.3 |
| 7.0 | 0.857 | 8.57 | 85.7 |
| 7.5 | 0.800 | 8.00 | 80.0 |
| 8.0 | 0.750 | 7.50 | 75.0 |
| 8.5 | 0.706 | 7.06 | 70.6 |
| 9.0 | 0.667 | 6.67 | 66.7 |
| 9.5 | 0.632 | 6.32 | 63.2 |
| 10 | 0.600 | 6.00 | 60.0 |
| 12 | 0.500 | 5.00 | 50.0 |
| 14 | 0.429 | 4.29 | 42.9 |
| 16 | 0.375 | 3.75 | 37.5 |
| 18 | 0.333 | 3.33 | 33.3 |
| 20 | 0.300 | 3.00 | 30.0 |
| 25 | 0.240 | 2.40 | 24.0 |
| 30 | 0.200 | 2.00 | 20.0 |
| 35 | 0.171 | 1.71 | 17.1 |
| 40 | 0.150 | 1.50 | 15.0 |
| 50 | 0.120 | 1.20 | 12.0 |
| 60 | 0.100 | 1.00 | 10.0 |
| 75 | 0.080 | 0.80 | 8.0 |
| 100 | 0.060 | 0.60 | 6.0 |
| 125 | 0.048 | 0.48 | 4.8 |
| 150 | 0.040 | 0.40 | 4.0 |
| 175 | 0.034 | 0.34 | 3.4 |
| 200 | 0.030 | 0.30 | 3.0 |
| 250 | 0.024 | 0.24 | 2.4 |
| 300 | 0.020 | 0.20 | 2.0 |
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