Range Ds

 

 

Catalogue

Download:  Double inlets centrifugal fans range Ds (printable PDF

 

DOUBLE INLET (LOW NOISE) CENTRIFUGAL FANS RANGE Ds

 GENERAL TECHNICAL DATA

 The Double inlet centrifugal fans are made of galvanized sheet steel.

The aerodynamic schema permit highest volumetric capacity for given size, highest manometric effectiveness and low noise levels. This fans are provided for belt-drive tranmission with steel/aluminium pulleys.

The impellers and the pulleys are statically and dynamically balanced.

 

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, flangemounted construction - according DIN IEC 34, part 7.

 

The range Ds is proposed:

 

  • The fan assembly transmission and motor or

  • The same assembly  without transmission and motor.

 

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

 

DIMENSIONS OF FAN ASSEMBLE

 

Type

M

mm

S

mm

H

mm

N

mm

O

mm

P

mm

Q

mm

A

mm

B

mm

R

mm

Ds.M.200.A

341

671

452

323

340

162

178

260

252

36

Ds.M.240.A

390

758

517

363

395

182

213

304

280

36

Ds.M.280.A

467

812

585

410

455

205

250

367

352

38

Ds.M.315.A

502

848

641

442

501

221

281

390

398

33

Ds.M.355.A

563

928

717

486

588

272

316

463

452

34

 

FUNCTIONAL CHARACTERISTICS

The fans are tested in accordance with ISO 5801 “Industrial fans – Performance testing using standardized airways”

The functional characteriistics for range Ds.A1 are graphically showed. The indicate noise level is in dB(A) at distance of 1,5 m behind the inlet flange, in free field.

 

Ds.M.200.A1

Ds.M.280.A1

Ds.M.355.A1

Ds.M.240.A1

Ds.M.315.A1

 

 

TYPE KEY

The various types and typedimensions of double inlet centrifugal fans bear the following marking: Class, Composition, Nominal diameter and Art of impeller.

For example:

Y