Range VB

 

Catalogue

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Centrifugal Fans range VB

GENERAL TECHNICAL DATA

The centrifugal fans are made of powder painted (RAL 6019), sheet steel and are completed with radial impeller fixed on electric motor. The impeller and the motor are statically and dynamically balanced and this ensure a long exploitation term and low level of vibrations.

His compact design make this fans convenient for assembly in fan sections.

The normal production is designed for 220/380 V ± 5% and frequency 50 Hz, class "B", level of protection IP44 or IP54 - according DIN IEC 34, part 5, flange-mounted construction - according DIN IEC 34, part 7.

Optional: flexible connectors, air filters, heaters, attenuators etc.

 

Kram reserves the right to make any dimensional design changes in accordance with their improvement program

 

DIMENSIONS

 

 

 

Type / haut.Axe motor

m

mm

e

mm

f

mm

o

mm

h

mm

h1

mm

h2

mm

p

mm

L

mm

R

mm

ds

mm

VB-200/71

VB-200/80

165

168

172

130

419

216

297

308

346

440

256

17

VB-240/71

VB-240/80

204

201

192

142

473

236

334

321

358

440

340

17

VB-250/71

VB-250/80

VB-250/90

204

207

193

145

483

237

337

324

362

382

500

340

17

VB-280/80

VB-280/90

VB-280/100

224

232

214

158

531

258

356

374

434

464

550

340

17

VB-315/80

VB-315/90

VB-315/100

231

294

252

164

648

295

448

367

428

458

610

380

17

VB-355/90

VB-355/100

VB-355/112

271

294

262

181

647

306

426

458

488

528

644

420

17

 

 

 

FITTING DIMENSIONS

Type

A

mm

B

mm

a

mm

b

mm

d1

mm

d

mm

VB-200

134

202

154

222

9

250

VB-240

158

236

178

256

9

300

VB-250

165

240

185

260

9

300

VB-280

190

275

210

295

9

355

VB-315

203

357

223

377

9

400

VB-355

238

400

258

420

9

450

 

The centrifugal fans - range VB with respect to direction of rotation of impeller, are manufactured left (L) or right (D) and the position of the housing can be changed by step of 90 degrees (view from the side of the inlet flange).

 

 

 

 

CHARACTERISTICS: 

VB-200.A.1

VB-240.A.1

VB-280.A.1

VB-315.A.1

VB-355.A.1

 

VB-250.A.3

VB-280.A.3

VB-315.A.3

VB-355.A.3

TYPE KEY

The various types and type-dimensions of fans bear the following marking: Class, Nominal diameter of impeller, Art and version of impeller, Current type (Tree phase or Single phase), Number of poles and Version.

 

FOR EXAMPLE:

Y