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The Table below gives the broad range (R.P.M* and F.P.M**) for Tapco CC-B, CC-HD & CC-XD elevator
buckets. This table is provided for general reference only and does not necessarily mean all products will
properly discharge over the entire speed range in all bucket elevators. Each elevator manufacturer has its
own unique head design and their recommended speed range may vary from this table.
TABLE OF SPEEDS
CC-B, CC-HD & CC-XD SPEEDS
Pulley / Sprocket
Diameter
(Inches)
Pulley / Sprocket
Circumference
(Feet)
R.P.M.
Min.
R.P.M.
Max.
F.P.M.
Min.
F.P.M.
Max.
8”
10”
12”
14”
16”
18”
20”
22”
24”
30”
36”
42”
48”
54”
60”
72”
84”
96”
2.09’
2.62’
3.14’
3.67’
4.19’
4.71’
5.24’
5.76’
6.28’
7.85’
9.42’
11.00’
12.57’
14.14’
15.71’
18.85’
22.00’
25.13’
85
85
75
65
55
55
55
55
42
42
42
40
40
40
40
40
34
30
170
170
145
120
100
90
85
85
80
80
80
70
65
65
60
55
50
45
178
223
236
238
230
259
288
288
264
330
396
440
503
566
628
754
748
754
356
445
456
440
419
424
445
445
503
628
754
770
817
919
942
1037
1100
1131
The Table below gives the broad range (R.P.M* and F.P.M**) for Tapco Super EuroBuckets and
EuroBuckets. This table is provided for general reference only and does not necessarily mean all prod-
ucts will properly discharge over the entire speed range in all bucket elevators.
Important: Head and boot design, head venting, loading, belt tension, plumb of head and boot pulley,
product flowability and product density, all have an effect on the speeds at which an elevator can run and
still discharge properly.
Pulley / Sprocket
Diameter
(Inches)
Pulley / Sprocket
Circumference
(Feet)
R.P.M.
Min.
R.P.M.
Max.
F.P.M.
Min.
F.P.M.
Max.
10”
12”
16”
20”
24”
32”
40”
50”
2.62’
3.14’
4.19’
5.24’
6.28’
8.36’
10.47’
13.09’
106
89
76
64
60
52
47
42
212
189
142
121
101
83
66
61
278
278
317
336
377
436
495
545
555
594
594
634
634
695
693
798
SUPER EUROBUCKET & EUROBUCKET SPEEDS
*R.P.M. - Revolutions per minute of head pully or sprocket. **F.P.M. - Feet per minute of belt or chain.
*R.P.M. - Revolutions per minute of head pully or sprocket. **F.P.M. - Feet per minute of belt or chain.