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HFO (High Front Overlapping) Elevator Bucket

Fabricated Steel

These continuous elevator buckets feature slow-speed, centrifugal discharge. Their three-piece, welded design is fully welded outside and partially welded inside. 

Why Steel?

Steel buckets should be substituted for nonmetallic buckets when the heat becomes too excessive or when the bucket elevator carries extremely sharp products.

Features

Available in Stainless Steel and Carbon Steel.

Applications

  • Stone
  • Foundry Sand
  • Sand and Gravel
  • Coal
  • Fertilizers
  • Clay
  • Salt
  • Sizes and Dimensions
  • Technical Information

Measurement Conversion: Imperial Metric

Size
(Nominal)
Inches
Dimension-Actual (Inches)
Tolerance A, B & C ± .25"
Weight, Pounds (Est.) Capacity ■
Tolerance ± 3%
Length
A
Proj.
B
Depth
C
14 Gauge
Steel
12 Gauge
Steel
10 Gauge
Steel
.1875"
Steel
.25"
Steel
Gross X-X
Cu. Ft.
Y-Y
Cu. Ft.
8 X 5 X 8 8 5 8-1/2 3.7 5.1 6.5 8.9 ---- .09 .06
10 X 5 X 8 10 5 8-1/2 4.3 5.9 7.6 10.5 ---- .11 .08
10 X 6 X 10 10 6 10 --- 7.5 9.5 13.1 ---- .16 .11
12 X 6 X 10 12 6 10 --- 8.6 1.8 15.0 ---- .19 .13
10 X 7 X 12 10 7 12-1/2 --- 9.6 12.3 16.7 ---- .23 .15
12 X 7 X 12 12 7 12-1/2 --- 10.8 14.0 19.0 ---- .28 .18
14 X 7 X 12 14 7 12-1/2 --- 12.1 15.7 21.3 ---- .33 .22
12 X 8 X 12 12 8 12-1/2 --- 11.8 15.0 20.5 27.1 .32 .20
14 X 8 X 12 14 8 12-1/2 --- 13.1 16.8 22.9 30.4 .39 .25
16 X 8 X 12 16 8 12-1/2 --- 14.5 18.6 25.2 33.6 .42 .26
16 X 12 X 18 16 12 18-5/8 --- --- 31.1 43.0 56.8 .96 .60
20 X 12 X 18 20 12 18-5/8 --- --- 36.4 50.4 66.6 1.20 .76
24 X 12 X 18 24 12 18-5/8 --- --- 41.7 57.8 46.4 1.44 .90

■ Tapco recommends using gross x .75, for usable capacity

Size
(Nominal)
Millimeters
Dimension-Actual (Millimeters)
Tolerance A, B & C ± 6.35mm
Weight, Kilograms (Est.) Capacity (Liters) ■
Tolerance ± 3%
Length
A
Proj.
B
Depth
C
14 Gauge
Steel
12 Gauge
Steel
10 Gauge
Steel
4.76mm
Steel
6.35mm
Steel
Gross X-X Y-Y
200 X 140 X 200 203 127 216 1.7 2.3 2.9 4.0 - 2.55 1.70
260 X 140 X 200 254 127 216 2.0 2.7 3.4 4.8 - 3.11 2.27
260 X 160 X 260 254 152 254 - 3.4 4.3 5.9 - 4.53 3.11
300 X 160 X 260 305 152 254 - 3.9 0.8 6.8 - 5.38 3.68
260 X 180 X 300 254 178 318 - 4.4 5.6 7.6 - 6.51 4.25
300 X 180 X 300 305 178 318 - 4.9 6.4 8.6 - 7.93 5.10
350 X 180 X 300 356 178 318 - 5.5 7.1 9.7 - 9.34 6.23
300 X 200 X 300 305 203 318 - 5.4 6.8 9.3 12.3 9.06 5.66
350 X 200 X 300 356 203 318 - 5.9 7.6 10.4 13.8 11.04 7.08
400 X 200 X 300 406 203 318 - 6.6 8.4 11.4 15.2 11.89 7.36
400 X 300 X 450 406 305 473 - - 14.1 19.5 25.8 27.18 16.99
500 X 300 X 450 508 305 473 - - 16.5 22.9 30.2 33.98 21.52
600 X 300 X 450 610 305 473 - - 18.9 26.2 21.0 40.78 25.49

■ Tapco recommends using gross x .75, for usable capacity

Style:

HFO (High Front Overlapping)

Design:

Slow speed centrifugal discharge.

Material:

Carbon Steel, Stainless Steel, Aluminum.

Method of Manufacture:

Fabricated.

Standard Construction:

The HFO style bucket utilizes a 2-piece design consisting of a pressed formed body and a front plate. All seams are continuously welded outside and partially inside. The bucket will be produced after Tapco supplies a CAD drawing to be approved by the customer.

Construction Options:

AR plate, wear lips or hard bead welds.

Material Thickness:

14 ga., 12 ga., 10 ga., 7 ga. (3/16"), 1/4", 5/16", 3/8" and 1/2".

Drilling:

No charge for standard belt or chain drillings.

Venting:

Available on request, contact Tapco for recommendations.

Usable Capacity:

Tapco recommends using 75% of gross, (100%) capacity.

Spacing:

Contact Tapco for recommendations.

Interchangeability:

Can be intermixed with existing fabricated HFO style buckets. If different weight buckets are mixed in, some care should be taken that the leg does not become too far out of balance. Check elevator for proper clearances. Contact Tapco for recommendations.

Installation:

On belt: Fanged elevator bolts and nylon insert lock nuts are recommended. Flat steel washers must be placed inside the bucket under the nuts.

On chain: Use Grade 5 hex head bolts with hex nuts, flat washers and lock washers. Elevator bolts should not be used on chain attachments.  

Caution:

Welding and cutting on elevator legs without taking proper precautions is extremely dangerous and can cause a violent explosion.

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Headquarters

Tapco, Inc
225 Rock Industrial Park Dr.
St. Louis, MO 63044
USA

Contact

Phone:  314-739-9191
Toll Free: 800-AT-TAPCO (800-288-2726)
International:  + 1-314-739-9191
Fax:  314-739-5880
E-mail:  info@tapcoinc.com

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