Dust Extractors

 
   DUST EXTRACTORS : MODELS HE – 125 D/HE - 200 D/HE - 400 D
 

Dust Extractors

Hafi have designed MODEL HE – 125 D, HE – 200 D, HE – 400 D Dust Extractor, a reliable, efficient and cost effective solution to any dry dust control problems in Industry. 

The MODEL HE – 125 D, HE – 200 D, HE – 400 D Dust Extractor has got wide applications in the following machines and industries: tool cutters/surface grinders, buffing machines, abrasive cut off machines, diamond polishing machines, Carbon dry powder collection, wood working Industry, etc., It provides clean working conditions, increases operator efficiency and prolongs equipment life. 

Hafi have developed two more Dust Extractors Models  HE – 500 D & HE – 750 D with high Air Displacement 1250 cubic mtr./hr.& 1650 cubic mtr./hr. Where you can use the hose dia of 75 mm. The unit is compact, inexpensive and its high cleaning efficiency compares to units selling at higher price. It is easy to operate and needs practically no maintenance. 
PRINCIPLE OF OPERATION
The dust generated is picked by a slitted hood in an air system generated by powerful suction blower. Dust
separation takes place in two stages. In the primary stage, heavier particles are deposited into the collection
container due to reduction in velocity and change of direction of air. Secondary separation occurs when the lighter
dust is deposited onto the fabric by initial impact and diffusion. Hence, it accumulates to form a mat or bed which
in turn acts as filter medium with a fabric as a base. TO maintain continuity of extraction, dust is periodically
removed from the fabric by the shaker mechanism and deposited into the collection container.

APPLICATION : For collection of Dry Dust ‘At Source” in Industries. Can be used as original equipment with
surface Grinders, Tool and Cutter Grinders, Buffing Machines, Wood Working Industries, and also for Carbon Dry Powder Collection.
 
TECHNICAL DATA
HE – 125 D
HE – 200 D
HE – 400 D
MOTOR (Flange Mounted) 3 PHASE, 0.5 HP 3 PHASE, 0.5 HP 3 PHASE. 2.0 HP 
CONTINUOUS RATED 3000 RPM 3000 RPM  3000 RPM
SUCTION POWER 125 MM WG 200 MM WG 400 MM WG
AIR DISPLACEMENT 320 CUBIC 350 CUBIC 700 CUBIC
DUST CONTAINER CAPACITY 0.012 CUBIC MTR. 0.006 CUBIC MTR. 0.024 CUBIC MTR.
FILTER FINE CLOTH FINE CLOTH FINE CLOTH
FILTER SHAKER MANUAL OPERATION MANUAL OPERATION MANUAL OPERATION
VACUUM PRODUCER SINGLE STAGE UNIT SINGLE STAGE UNIT SINGLE STAGE UNIT
IMPELLER DYNAMICALLY 
  BALANCED
DYNAMICALLY 
  BALANCED
DYNAMICALLY 
  BALANCED
UNIT WEIGHT 50 KGS. 50 KGS. 90 KGS.
HEIGHT 950 MM. 830 MM 1250 MM
WIDTH 550 MM DIA 600 MM DIA  450 MM
LENGTH - - 800 MM
STANDARD ACCESSORY FLEXIBLE PVC
HOSE 60 MM I.D.
x 3 M LONG
FLEXIBLE PVC
HOSE 60 MM I.D.
x 3 M LONG
FLEXIBLE PVC
HOSE 60 MM I.D.
x 3 M LONG
 
TECHNICAL DATA
HE – 500 D 
HE – 750 D
MOTOR (FLANGE MOUNTED) 3 PHASE, 0.5 HP 3 PHASE, 5 HP
CONTINUOUS RATED 3000 RPM 2800 RPM
SUCTION POWER 125 MM WG 750 MM WG
AIR DISPLACEMENT 320 CUBIC  MTR./HR. 1650 CUBIC MTR./HR
DUST CONTAINER CAPACITY 15 LTRS 15 LTRS.
FILTER FINE CLOTH FILTER FINE CLOTH FILTER
FILTER SHAKER MANUAL OPERATION MANUAL OPERATION
VACUUM PRODUCER UNIT SINGLE STAGE SINGLE STAGE
IMPELLER DYNAMICALLY  BALANCED DYNAMICALLY  BALANCED
 
    HAFI PORTABLE & CHIP EXTRACTOR : MODEL HE – 100 & 300
HAFI PORTABLE & CHIP EXTRACTOR : MODEL HE – 100 & 300
The simplest, most economical and most effective solution to your dust problem. The extraction fan, type HE is available, in two sizes for extracting dust produced by machinery or fume such as those produced by welding. Stand the type HE extraction fan on the floor or fix it to a wall, place the suction end of the hose as close as possible to the source of dust- and your dust problems are over the strong suction power of all two sizes of the extraction fan in combination with the ingeniously contrived positioning of the dust collecting hood catches the dust catapulted upwards in its complete scattering area. Whenever, Dust must be extracted from machines with intermittent use and in different locations, a portable dust & chip collector is the most economical answer. All portable units with cyclonic separators have exchangeable filter systems for use with a simple filter bag. The Hafi method of powerful dust extraction combined with simple dust collection, is used in disposable filter bags effectively and economically.
APPLICATION : 
a) For Extraction and disposal of dust produced by machinery, directly at source.
b) For Extraction and disposal of fumes.
c) For Extraction and disposal of car exhaust fumes in automotive workshops.
d) Extraction of stale air and supply of fresh air for working operations (e.g. welding) in 
pits, tanks or other insufficiently ventilated confined area. 
e) Extraction of dust in small sand blasting cabins. 
f) Use as conveyor blower for granulated materials, etc., ON WOOD WORKING MACHINERY.
TECHNICAL SPECIFICATION :-
TECHNICAL DATA
HE – 100 
HE – 300
STEEL PLATE CONSTRUCTION 
CAST ALUMINIUM IMPELLER 
DIA 260 MM
DIA 360 MM
SUCTION AND EXHAUST NOZZLE DIA 100 MM DIA 175 MM
AIR FLOW CAPACITY 1000 M CUBIC/HR 3300 M CUBIC/HR
VACUUM 120 MM WG 260 MM WG
MOTOR 415 V, 3 PHASE 0.55 KW 2.2 KW
SIZE OF BASE 330 X 450 MM 380 X 450 MM
 
 
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