Tsubaki NAB Aprovator Conveyors in Eco-related Industries

For conveying incombustibles, incinerated residue, RDF, and molten slag.

Tsubaki NAB Aprovator is a bucket-type chain conveyor suitable for handling difficult-to-convey materials on horizontal + vertical + horizontal layouts with one unit.

Features and Conveying Capacity -- NAB Aprovator

Features and Conveying Capacity NAB Aprovator
  1. Suitable for handling large abrasive or bulky materials as they are conveyed intact in buckets.
  2. Minimizes powder leakage between buckets thanks to its unique overlap structure.
  3. The upper/lower-corner sections use sprockets to make running chains turn, which allows for wear resistance and lower-noise operation.
  4. The debris of conveyed materials never leaks from conveyors thanks to its sealed structure.

Conveying capacity

Model number Conveying capacity (m3/h)
S = 5m/min S = 10m/min S = 15m/min
NAB250 3.1 6.2 9.3
NAB250H 4.9 9.8 14.7
NAB400 7.2 14.4 21.7
NAB400H 10.8 21.7 32.5
NAB600 13.5 27.1 40.6
NAB600H 18.1 36.1 54.2
  • Note 1: The above table shows conveying capacity calculated at water level when the tilt angle is 90° (*See the figure 1).
    The actual conveying capacity differs depending on the tilt angle of the Aprovator or the nature of the conveyed materials.
  • Note 2: Maximum speed is approximately 15m/min, but it differs depending on the nature of the conveyed materials or usage conditions.
[Diagram 1]
NAB Diagram

Dimensions and Model Numbers

NAB Aprovator寸法図
Model number Head casing Outlet Horizontal casing Vertical casing Foundation Bucket width
H1 H2 H3 H4 E1 E2 M1 M2 M3 V1 V2 F
NAB250 (H) 410 1,100 676 125 700 520 520 640 676 550 620 125 250
(670) (670) (790) (770) (400)
NAB400 (H) 510 1,300 896 150 900 730 730 850 896 700 830 150 400
(930) (930) (1050) (1030) (600)
NAB600 (H) 610 1,500 1,116 200 1,100 960 960 1080 1116 850 1060 200 600
(1160) 1160 (1280) (1260) (800)
Model number Upper-corner casing Lower-corner casing Inlet Tail casing
U1 U2 U3 U4 B1 B2 J1 J2 J3 J4 T1 T2 T3 T4
NAB250 (H) 1,015 1,178 500 502 900 1050 200 200 726 700 400 200 461 676
(350)
NAB400 (H) 1,265 1,498 600 602 1,150 1350 300 320 946 900 500 250 548 896
(520)
NAB600 (H) 1,565 1,868 750 752 1,400 1,650 400 480 1,166 1,100 600 300 638 1,116
(680)
  • The values shown in () indicate wide dimensions.

Download CAD drawings for NAB Aprovator in DXF format.

You can download CAD drawings for NAB Aprovator in DXF format.

Caution when using the drawing data

*Be sure to read before using.
By downloading drawing data, please be aware that we regard you as having agreed with the following cautions.

  • The content of the drawing data is subject to change without notice.
  • We simplified all drawing data to reduce the size.
  • Consider all dimensions shown in the drawing data as reference except where noted. Contact a Tsubaki representative when using these dimensions to check for interference and so on.
  • Tsubaki is the copyright holder of the drawing data. Please refrain from leasing or transferring this data to a third party.
  • Please be aware that we accept no responsibility for any trouble owing to use of the drawing data or damage due to defects arising therefrom, nor from results caused by drawing editing/processing.

Points of caution

Avoid using NAB Aprovator for conveying adhesive materials.

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