Downblast Centrifugal Roof Ventilators

FANTECH

MPNPrice (inc. GST)
FANTECH

MPNPrice (inc. GST)
DAYTON

Drive TypePhaseNumber Of SpeedsOverall HeightMotor HpCfm @ 0.000-in. SpCfm @ 0.500-in. SpMax. BhpPrice (inc. GST)
Direct Drive
1
Variable
28"
-
2839/3150/3500 CFM
-
0.26 bhp, 0.35 bhp, 0.48 bhp
SGD 3,819.70
Direct Drive
1
1
23 3/4"
167/1000 hp
--
0.17 bhp
SGD 1,391.25
Direct Drive
1
1
23 3/4"
1/4 hp
--
0.31 bhp
SGD 1,398.15
Direct Drive
1
1
23 3/4"
333/1000 hp
--
0.5 bhp
SGD 1,479.75
Direct Drive
1
1
23 3/4"
1/2 hp
--
0.6 bhp
SGD 1,529.92
Direct Drive
1
3
13 1/2"
1/60 hp
138/170/203 CFM
-
0.01 bhp, 0.02 bhp, 0.01 bhp
SGD 803.38
Direct Drive
1
3
13 1/2"
33/1000 hp
253/314/374 CFM
-
0.01 bhp, 0.02 bhp, 0.03 bhp
SGD 792.69
Direct Drive
1
3
16 3/4"
1/20 hp
335/415/495 CFM
237 CFM
0.02 bhp, 0.03 bhp, 0.06 bhp
SGD 961.06
Direct Drive
1
3
16 3/4"
1/15 hp
520/644/768 CFM
473 CFM
0.02 bhp, 0.05 bhp, 0.08 bhp
SGD 965.14
Direct Drive
1
3
16 3/4"
1/8 hp
717/888/1059 CFM
-
0.04 bhp
SGD 1,085.94
DAYTON

Drive TypeAssembled/unassembledOverall HeightOverall Dia.Shaft Dia. Wheel EndWheel Dia.Base LengthBase WidthPrice (inc. GST)
Direct Drive
Assembled
25 1/2"
24 3/8"
1/2"
11"
22"
22"
SGD 1,835.02
Direct Drive
Assembled
25 1/2"
28 3/8"
1/2"
13 3/4"
26"
26"
SGD 2,499.93
Belt Drive
Unassembled
29"
28 3/8"
3/4"
16 3/4"
26"
26"
SGD 3,018.28
Belt Drive
Unassembled
36 1/8"
35 1/2"
3/4"
18 1/2"
30"
30"
SGD 3,713.96
Belt Drive
Unassembled
36 1/8"
35 1/2"
3/4"
21 1/2"
30"
30"
SGD 3,976.44
Belt Drive
Unassembled
37 3/4"
50"
1"
30 1/2"
42"
42"
SGD 7,014.76
Belt Drive
Unassembled
37 3/4"
50"
1"
30 1/2"
42"
42"
SGD 6,193.97
Belt Drive
Unassembled
40 1/8"
42 3/4"
1"
24 1/2"
34"
34"
SGD 4,834.78
Belt Drive
Unassembled
40 1/4"
58 3/4"
1 1/4"
36"
46"
46"
SGD 8,513.08
Belt Drive
Unassembled
52 1/2"
83"
1 1/4"
50"
64"
64"
SGD 19,543.03
DAYTON

Assembled/unassembledPhaseOverall HeightMotor HpCfm @ 0.000-in. SpMax. BhpOverall Dia.Shaft Dia. Wheel EndPrice (inc. GST)
Assembled
1
24 7/8"
1/4 hp
-
0.13 bhp
24 3/8"
3/4"
SGD 1,742.35
Assembled
1
24 7/8"
1/4 hp
-
0.19 bhp
24 3/8"
3/4"
SGD 1,660.32
Assembled
1
24 7/8"
1/4 hp
-
0.25 bhp
24 3/8"
3/4"
SGD 1,800.62
Assembled
1
24 7/8"
333/1000 hp
-
0.33 bhp
24 3/8"
3/4"
SGD 1,915.54
Assembled
1
24 7/8"
1/2 hp
-
0.5 bhp
24 3/8"
3/4"
SGD 1,836.46
Assembled
1
25 3/8"
1/2 hp
-
0.53 bhp
28 3/8"
3/4"
SGD 2,100.75
Assembled
3
34 3/8"
--
1.1 bhp
35 1/2"
3/4"
SGD 3,178.60
Assembled
3
36"
--
3.15 bhp
50"
1"
SGD 5,696.89
Assembled
3
36 1/8"
--
2.06 bhp
42 3/4"
1"
SGD 3,778.34
Assembled
3
36 1/8"
1 1/2 hp
-
1.56 bhp
35 1/2"
3/4"
SGD 3,364.72
DAYTON

MPNPrice (inc. GST)
51E089
SGD 364.83
51E090
SGD 838.65
53J574
SGD 454.18
53J575
SGD 476.36
53J577
SGD 702.34
53A955
SGD 863.89
6366398
SGD 397.78
6366400
SGD 535.45
6366478
SGD 2,017.29
6366485
SGD 732.16
HONEYWELL

MPNPrice (inc. GST)
PA932AM
SGD 193.52
PA933AM
SGD 257.41
PA9311AM
SGD 56.75
PA9312AM
SGD 75.13

Description

Downblast centrifugal roof ventilators are roof or wall mounted for discharging dirty air from industries and commercial buildings. Raptor Supplies offer centrifugal roof ventilators from brands like Dayton and Fantech. They operate continuously to vent foul air and odours under low to moderate static pressure conditions. Raptor Supplies provides centrifugal supply ventilators in two types, namely belt driven and direct driven. Belt driven downblast ventilators offer greater flexibility in terms of rpm speeds as the motor is not directly in contact with the fan's moving parts. Direct driven downblast centrifugal ventilators are designed such that the motor is directly connected to the fan through shafts or axles, thereby increasing energy efficiency.

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