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Серия FSA
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Sizes of this series are in accordance with AMCA standard 99-0098-76 and DIN 323 R20.
Technical Specification
Wheel
The wheel of FSA series has forward curved blades manufactured in galvanised sheet steel.
Housing
For all sizes except 1250 and above, the housing is manufactured in galvanized sheet steel with the housing fixed to the side plates in "pittsburg lock" form system.
Housings for 1250 and 1400 are manufactured in mild steel finished with polyester powder coating.
Frame
The frame is manufactured with galvanized angular bars for type "C". For type "T" and "U", they are manufactured with sections of steel and finished with polyester powder coating.
Bearings
Bearings used are either deep groove ball bearing type with an eccentric locking collar or an adapter sleeve, or spherical roller bearings type sealed at both sides for different duty application.
For type "S" and "C", they are mounted in a rubber housing, whereas for type "T" and "U", they are mounted on cast iron supports with grease points.
The bearings are lubricated for life and maintenancefree. If relubrication is necessary, it is recommended to use a lithium base grease suitable for all temperatures within the operational limits.
Shaft
Shaft are manufactured from C45 carbon steel using an automatic process for positioning and cutting of the keyways. All dimensional tolerances of the shaft are fully checked to ensure a precision fit and then coated with an anti-corrosion varnish after assembly.
Balancing Quality
All wheels are statically and dynamically balanced to ISO1940 or AMCA 204 - G2.5 standards.
Paintings
Special powder-paint coatings of various thicknesses can be supplied on request.