Boiler supply fan G4-73 – series illustration

Series illustration

Boiler supply and exhaust fans

Boiler supply fan G4-73

Selected model specifications

G4-73 No8 · 18.5kW · 1450rpm · PNJ2-G4-73-8-18.5KW-1450RPM

Catalogue modelG4-73 No8
Power18.5 kW
Speed1450 rpm
Flow16156 - 30993 m³/h
Pressure1400 - 2104 Pa
Pressure typeFull
Motor designation (kW-P)18.5-4
TypeBoiler supply and exhaust fans

Price

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Models and technical data

Select a model or its data in the table.

Selected model: G4-73 No8 · 18.5kW · 1450rpm

ModelPower (kW)Speed (rpm)Flow (m³/h)Pressure (Pa)
18.5 kW1450 rpm16156 - 30993 m³/h1400 - 2104 Pa
30 kW1450 rpm23003 - 32079 m³/h2559 - 2668 Pa
37 kW1450 rpm35052 - 44128 m³/h1775 - 2440 Pa
11 kW960 rpm15229 - 29216 m³/h775 - 1163 Pa
55 kW1450 rpm31554 - 60533 m³/h2194 - 3301 Pa
15 kW960 rpm20891 - 29134 m³/h1379 - 1437 Pa
18.5 kW960 rpm31834 - 40077 m³/h958 - 1315 Pa
7.5 kW730 rpm15886 - 30475 m³/h553 - 829 Pa
75 kW1450 rpm41999 - 47427 m³/h3986 - 4003 Pa
90 kW1450 rpm53142 - 80570 m³/h2659 - 3943 Pa
22 kW960 rpm27806 - 31400 m³/h1734 - 1741 Pa
30 kW960 rpm35183 - 53343 m³/h1160 - 1715 Pa
11 kW730 rpm21144 - 40562 m³/h669 - 1004 Pa
132 kW1450 rpm54526 - 76040 m³/h4582 - 4777 Pa
160 kW1450 rpm83088 - 104600 m³/h3171 - 4366 Pa
37 kW960 rpm36100 - 45677 m³/h2044 - 2075 Pa
45 kW960 rpm50344 - 69253 m³/h1381 - 1990 Pa
15 kW730 rpm27451 - 30999 m³/h1191 - 1196 Pa
18.5 kW730 rpm34734 - 52661 m³/h797 - 1178 Pa
280 kW1450 rpm86586 - 120740 m³/h6272 - 6541 Pa
315 kW1450 rpm131940 - 166100 m³/h4333 - 5975 Pa
75 kW960 rpm57326 - 64735 m³/h2819 - 2831 Pa
90 kW960 rpm72534 - 109970 m³/h1883 - 2789 Pa
37 kW730 rpm43591 - 66425 m³/h1491 - 1630 Pa
45 kW730 rpm72059 - 83624 m³/h1086 - 1391 Pa
185 kW960 rpm85571 - 164150 m³/h2465 - 3709 Pa
75 kW730 rpm65069 - 124820 m³/h1420 - 2133 Pa

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Airflow performance curve

G4-73 No8 · 18.5kW · 1450rpm

Calculated curve · Total pressure · 1450 rpm

Total pressure (Pa)05501 1001 6502 20016 15619 86523 57527 28430 993Airflow Q (m³/h)

Calculated value – approximate

Calculated points (approximate)

Q (m³/h)Total pressure (Pa)
≈ 2 104
≈ 2 007
≈ 1 858
≈ 1 655
≈ 1 400

The calculated shape uses catalogue ranges. Minimum flow is provisionally paired with maximum pressure and vice versa. These pairs and intermediate values are not confirmed by a factory curve.

Basis: Model catalogue ratings and provisional calculated shapeQ: 16156 - 30993 m³/h; Pressure: 1400 - 2104 Pa

From the catalogue

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