Air Handling Unit - Comparison of Technical Data:
AIR QTY.: | 13600 CMH ( 8000 CFM) | 13600 CMH ( 8000 CFM) |
ST. PR. | 1250 Pa ( 125mm WC ) | 1250 Pa ( 125mm WC ) |
TYPE OF FAN : | PLUG FAN | DIDW BACKWARD CURVED FAN |
FAN DIA. : | 710mm | 500mm |
FAN MAKE : | PUNKER ( Germany ) | AN AMCA CERTIFIED MAKE |
FAN SHAFT POWER : | 6.21 KW | 7.07 KW |
FAN EFFICIENCY : | 75.0% | 70.7% |
TYPE OF MOTOR : | TEFC. SQ. CAGE | TEFC. SQ. CAGE |
MOTOR SIZE : | 7.5 KW ( 10.0 HP ) | 9.30 KW (12.5 HP) |
COIL FACE AREA | 1.49 SQ.MT | 1.49 SQ.MT |
COIL SIZE | 1143 FH X 1300 FL- 6RD | 1143 FH X 1300 FL- 6RD |
UNIT DIMENSIONS : | L 3350 XH 1400 X W1650 | L 4100 XH 1400 XW 1650 |
WEIGHT : | 975 kgs | 1250 kgs |
Air Handling Unit - How Plug Fans were Invented
For the modernization of telecommunication distributing centre in Germany, a large number of Air Handling Units and Air Handlers was required. The modernization was agreed on the condition of a substantial reduction of yearly energy costs. The Original belt driven fans had rather high energy demand causing high energy costs. There was hardly and belt driven system which could satisfy the requirement of the user.
The use of direct driven fans without housing ( generally known as Plug fans) reduced the energy demand to a large extent. In addition to this, annual servicing cost also reduced considerably as Plug Fans are maintenance free. The manufacturers and users of AHUs recognized the advantages of Plug fans and modified their equipment accordingly.
Punker GmbH & Co., Germany played a major role in introducing the use of direct driven fans for AHU applications. In Europe, the Plug fans are very extensively used for Air Handling Units as well as for Air Handlers.
CITIZEN is proud to introduce the PLUG fan technology in India, where energy conservation and cleaner environment is of prime importance. CITIZEN has a tie up with PUNKER GmbH & Co., to provide total solutions for any kind of fan requirement. CITIZEN has successfully executed many installations of AHUs with PLUG fans after its FIRST installation in 1997 at Pune. CITIZEN is grateful to Zydus Cadila, Cipla Limited and Dikshit Consultants who encouraged CITIZEN by accepting Plug Fan technology for clean room and sterile area applications for the first time in India.
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About Us:
Sky is the limit......both the major factories of the group have now initiated the actions for 100% expansion. New facilities are scheduled to be in operation by September 2005. Citizen group is enjoying good reputation all over the country.