Rectangular fire damper

Rectangular fire damper

Application:

The shape of fire damper is rectangular and the construction is made of body, shaft,valve disc,,The material is stainless steel and can be pianted by your request,This type of fire damper is widely appicated in air conditioning system or ventilation system for marine or another place to keep from the fire or somke.

The fire damper can be controled by temperature,and It can be electrical automatically closed.Fire damper is open in normal condition,If the temperature of air within damper duct exceeds 70℃,The fusible link of fire damper will be broken to close the fire damper.

The time for refractory is 1.5h,The electrical signal could be output according to user‘s requirement,Fire damper should be reset manually.

Feature:

1.Stainless steel construction to prevent fire and smoke.

2.The time for refractory is 1.5h.

3.The coefficient of resistance is less than 0.4.

4.The damper will be automatically closed when the temperature is 70℃.

5.The height of body is 210mm.

6.Special size could be supplied.

Available size:

Nom.dia
DN

Dia of rectangular

Flange inner size

Flange outter size

Distance of hole

Distance of bolt holes

No.of bolt holes

DN

a

b

a 1

b 1

A

B

C

C1

t

t 1

Short
side

Long
side

total

100

60

140

65

145

115

195

95

176

95

88

0

3

6

80

120

85

125

135

175

115

156

115

78

125

60

220

65

225

115

275

95

225

95

85

4

8

80

160

85

65

135

215

115

196

115

98

3

6

100

130

105

135

155

185

136

166

68

83

1

8

150

80

250

85

225

135

305

115

285

115

95

0

4

100

200

105

205

155

255

136

236

68

118

1

3

120

150

125

155

175

205

156

286

78

93

175

80

350

85

355

135

405

115

388

115

97

0

5

10

100

250

105

255

155

305

136

285

68

95

1

4

120

210

125

215

175

265

156

246

78

82

200

100

350

105

355

155

405

136

388

68

97

5

12

120

280

125

285

175

335

156

315

78

105

4

10

150

220

156

226

206

276

186

258

93

86

Process drawing:

矩形防火风阀1 拷贝.jpg

矩形防火阀2 拷贝.jpg

Rectangular fire damper.jpg

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Our mail: manager@hiseamarine.com

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