Ventilation Components - Minor Pressure Loss
Pressure loss in ventilation system components like dampers, filters, heaters, coolers and more.
The table below indicates pressure drops in some common ventilation components and fittings.
Pressure Drop (Pa) Load Calculator! | ||||||
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Component Type | Air Velocity (m/s) Load Calculator! | |||||
2.0 | 2.25 | 2.5 | 2.75 | 3.0 | ||
Intake damper | 5 | 5 | 5 | 5 | 5 | |
Mixing chamber | straight | 35 | 45 | 55 | 70 | 85 |
90o | 40 | 55 | 70 | 85 | 100 | |
Filter | short EU2 | 70 | 75 | 80 | 90 | 95 |
short EU3 | 100 | 110 | 120 | 135 | 145 | |
long EU3 | 70 | 75 | 80 | 80 | 85 | |
long EU5 | 115 | 125 | 140 | 150 | 165 | |
long EU7 | 140 | 150 | 165 | 175 | 185 | |
long EU9 | 160 | 175 | 190 | 210 | 230 | |
Heater | water, size 1 | 5 | 5 | 10 | 10 | 10 |
water, size 2 | 10 | 15 | 15 | 20 | 20 | |
water, size 3 | 20 | 25 | 30 | 30 | 35 | |
electrical, size 1 | 10 | 10 | 15 | 15 | 20 | |
electrical, size 2 | 15 | 20 | 30 | 35 | 40 | |
electrical, size 3 | 35 | 45 | 55 | 70 | 85 | |
Cooler | size 1 | 20 | 25 | 30 | 35 | 40 |
size 2 | 25 | 35 | 40 | 45 | 55 | |
size 3 | 35 | 45 | 50 | 60 | 70 | |
drop separator | 45 | 50 | ||||
Humidifier | 60% | 50 | 60 | 75 | 90 | 110 |
90% | 75 | 100 | 120 | 160 | 180 | |
Noise damper | 750 mm | 5 | 10 | 10 | 15 | 15 |
1425 mm | 10 | 15 | 15 | 20 | 25 | |
Rotating heat exchanger | big rotor | 120 | 140 | 160 | 180 | 195 |
little rotor | 150 | 170 | 195 | 220 | 245 | |
Air-fluid-air exchanger | lamella 2 mm, size 1 | 50 | 60 | 75 | 90 | 105 |
lamella 2 mm, size 2 | 75 | 90 | 110 | 130 | 155 | |
lamella 2 mm, size 3 | 95 | 120 | 145 | 175 | 205 | |
lamella 4 mm, size 1 | 30 | 35 | 45 | 55 | 65 | |
lamella 4 mm, size 2 | 45 | 55 | 65 | 80 | 90 | |
lamella 4 mm, size 3 | 55 | 70 | 85 | 100 | 120 | |
drop separator | 45 | 50 | ||||
Plate exchanger | 65 | 80 | 105 | 125 | 150 | |
with drop separator | 200 | |||||