QINGDAO YAOSEN MARINE EQUIPMENT CO.,LTD

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Products > Roof ventilator fan > > DWT series ROOF FAN
Product name : DWT series ROOF FAN
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  Details:

Type instruction
(1)The axial roof ventilator have 9 models of Φ300~ Φ1300mm with the diameter varies fromΦ300 to
Φ1000mm of 9 models. We can provide other models for the clients' different requirement.
(2) The structure of the roof ventilator refers to the whole installation drawing. This series of fans
consist of impellers, ducts, rain cover, driving components, loose-leaf air doors and safety net.
I. Characteristics
Various models, large application scope: 2 models are available according to different pressures, air flow and noise requirement:a. Axial roof fans: model DWT-Ⅰis for medium and low pressure, large volume condition. Its design can be changed into dual-reversible type with the same efficiency .
Ⅲ. It is applied to provide high pressure while low air volume.
b.High-efficiency, low-noise: This series uses CAD software, after optimizing design and research, its design has been rewarded patent of utility model and national outstanding patent. Its design adopts different rotate speeds, angles and impellers with the same diameter to satisfy different conditions. In this way, the fans match with the whole system and save energy and bring down noise.
c. Light, high-strength, corrosion-resistant: The impeller has different material types for various mediums, which encompasses ABC (engineering plastics), FRP (glass fiber reinforced plastics) and aluminum alloy sheet. The centrifugal fans are applied for high pressure conditions and the surface of impellers is galvanized & plastic sprayed, lowering its weight and enhancing its corrosive resistance.
d. Stable operation, long-term service: little inertia, precise balance, stable operation make the fan's performance standard higher than its competitors.
e. Large applying scope: This series fans can be made into explosion-proof, retardant, anti-aging type, etc., for ventilation of the conditions of flammable, explosive and corrosive air .
f.Elegant appearance: The rain cover is made of FRP with external surface of imported resin film. Its curve is smooth, elegant and practical. It can also be modified by plastic sprayed (PVC) after galvanization.
II. Applying condition: The medium shall not exceed 60°C. No adhesive drifts, no exceeding 100 mg/m3 dust in the air. As for the high temperature medium, we provide fire-fighting exhaust fans for the roof fans.

DWT-ⅠAXIAL TYPE

NO.

SPEED(rpm)

AIR FLOW RATE(m3/h)

PRESSURE(Pa)

POWER(kW)

NOISE
dB(A)

3

2850

3300
3000
2600

181
206
232

0.37

66

1450

1650
1560
1450

62
66
72

0.06

56

4

2850

7450
6350
5300

193
230
250

0.75

69

1450

5700
5400
4580

176
184
190

0.55

67

960

3820
2860
1880

80
86
92

0.25

60

5

1450

8000
7000
5600

135
162
191

0.55

68

960

7000
6700
6400

113
122
131

0.37

63

720

6000
5000
4100

88
92
96

0.25

58

6

1450

15000
14000
13000

232
251
267

1.5

73

960

11000
10000
9100

168
183
193

1.1

67

720

8500
8000
7600

111
127
136

0.55

62

7

960

17500
15000
12500

165
201
212

1.5

69

720

12000
11000
9200

141
163
177

0.75

63

560

9300
8500
7200

83
94
102

0.55

59

8

960

27000
25000
23000

175
207
228

2.2

72

 

 

NO.

SPEED(rpm)

AIR FLOW RATE(m3/h)

PRESSURE(Pa)

POWER(kW)

NOISE
dB(A)

8

720

20000
18000
16000

129
154
167

1.5

66

560

15750
14500
12250

78
96
121

0.75

63

9

960

34500
29000
24000

202
236
256

3.0

76

720

32000
28000
24000

126
156
177

2.2

73

560

24000
21500
18600

102
118
126

1.1

67

10

960

50000
45000
39000

251
286
317

5.5

81

720

46000
40000
35000

141
167
183

3.0

76

560

28000
24000
20000

111
125
133

1.5

69

11.2

960

56900
49500
40400

253
296
322

5.5

82

720

52500
45000
40000

138
169
183

3.0

77

560

32000
28000
25000

111
128
142

1.5

71

12

720

57000
50000
44000

196
205
209

5.5

73

560

42000
37500
33000

126
134
148

3

67

14

720

76700
68000
57500

250
261
268

7.5

77

480

69000
60000
51500

159
169
175

4

69

 

 

NO.

SPEED (rpm)

AIR FLOW RATE(m3/h)

PRESSURE(Pa)

POWER
(kW)

NOISE
dB(A)

14

720

76700
68000
57500

250
261
268

7.5

77

480

69000
60000
51500

159
169
175

4

69

15

720

88500
80000
70000

195
203
208

7.5

78

480

74750
65000
55800

149
158
165

4.0

70

16

720

107500
95000
81500

235
248
256

11

79

320

61000
52500
42600

131
152
167

4.0

70

18

720

129300
112500
96450

261
276
287

15

80

480

96250
86150
74300

122
136
143

5.5

71

 

 

NO.

SPEED(rpm)

AIR FLOW RATE(m3/h)

PRESSURE(Pa)

POWER(kW)

NOISE
dB(A)

18

320

79150
71550
62500

115
126
148

4.0

66

20

480

168700
150000
131000

215
234
247

15

78

320

125500
110000
95200

118
121
132

5.5

68

22

480

201600
180000
165000

193
205
210

15

79

320

155000
120000
119500

135
142
155

7.5

71

24

480

220800
198500
176500

212
228
246

18.5

84

320

175000
162000
135000

148
164
188

11

77

220

140000
120000
85000

150
160
171

7.5

70




Please contact us and get detailed Technical parameters and Drawings.
 
We could Design and Produce the Marine fan,Industrial Fan,and Other Ventilation Equipment according to your detailed requirement !


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