NATIONAL ALUMINIUM COMPANY LIMITED - Rites

a) Type
b) Rating
c) Protection
24 Flexible couplings
a) Type
b) Rating
25 Drive motors
a) Type
b) Make
c) Insulation class
d) Motor nameplate rating, kW at 500 C ambient
e) Protection Class
2.3 CHUTES, HOPPERS,SKIRT BOARD
Sl. No Description
1 Chutes & hoppers construction
2 Minimum valley angle (from the horizontal), degree
3 Material & Plate thickness
Technical Specification:Sec-9,Miscellaneous
a) Sliding zones and adjacent sides
b) Non striking/ non sliding zones
c) Chute with valley angle 80° and above
d) In the zone of magnetic field of ILMS
e) In the zone of flap gates
f) Discharge Hoods over head pulleys
g) Location of Inspection door/sealing
4 Skirt board
a) Plate thickness, mm
b) Length of each skirt board, m
c) Height, mm
d) Width, mm
e) Top cover plate thickness , mm
2.4 ACTUACTOR OPERATED FLAP GATE
Sl. No Description
1. Make
2. Dimensions
3. Material of construction of the gate
4. Liner plate specification
5. Method of fixing of liner plates
6. Type and make of drive and rating
7. Capacity and designation of the equipment
8. Total weight and weight of individual parts
9. Type of actuator and thrust in kg of each actuator
10. Stroke in mm of each actuator
11. Velocity mm per of each actuator
12. Motor: Type, rating, power supply, class of duty, insulation, make
number of starts/ hours
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