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PRODUCTS
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Technical Specifications [English / Imperial]
| Portec Spiral-Curve Technical Specifications |
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Positive Drive Belt System
The conveyor belt is positively driven by a shaft mounted sprocket engaging a precision sidebow chain which is attached directly to the outside edge of the belt. This positive drive system is unaffected by changes in loading, tension, temperature, humidity, and foreign material on the belt . The Portec positive drive belt system ensures continuous, reliable operation even in harsh and difficult environments with minimal maintenance.
Standard Models
The list below is only a small example of the model sizes available from Portec. There are 6 standard family sizes of Spiral-Lift based upon the outside conveying radius (C) and a range of conveying widths (F). Any conveying width with the available range and having one of the 5 standard outside conveying radii, is considered a standard model. While Portec frequently designs and builds special radius Spiral-Lifts, the standard models represent the best value and shortest production lead
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Model
Numbers |
Constant
Dimensions |
A |
B |
F |
K |
H/90° |
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| 18LT9SP |
C-27
D-30.5
E-3.5
G-7 |
18 |
22.5 |
9 |
2.92 |
12 |
| 16LT11SP |
16 |
21.5 |
11 |
2.81 |
12 |
| 14LT13SP |
14 |
20.5 |
13 |
2.69 |
12 |
| 12LT15SP |
12 |
19.5 |
15 |
2.6 |
12 |
| 28LN9SP |
C-37
D-40.5
E-3.5
G-7 |
28 |
32.5 |
9 |
3.13 |
15 |
| 26LN11SP |
26 |
31.5 |
11 |
3.04 |
15 |
| 24LN13SP |
24 |
30.5 |
13 |
2.96 |
15 |
| 22LN15SP |
22 |
29.5 |
15 |
2.87 |
15 |
| 20LN17SP |
20 |
28.5 |
17 |
2.78 |
15 |
| 32A15SP |
C-47
D-50.5
E-3.5
G-8.5 |
32 |
39.5 |
15 |
4.63 |
26 |
| 30A17SP |
30 |
38.5 |
17 |
4.52 |
26 |
| 28A19SP |
28 |
37.5 |
19 |
4.41 |
20 |
| 26A21SP |
26 |
36.5 |
21 |
4.3 |
20 |
| 24A23SP |
24 |
35.5 |
23 |
4.2 |
20 |
| 22A25SP |
22 |
34.5 |
25 |
4.09 |
20 |
| 36B23SP |
C-59
D-62.5
E-3.5
G-8.5 |
36 |
47.5 |
23 |
4.49 |
26 |
| 34B25SP |
34 |
46.5 |
25 |
4.41 |
26 |
| 32B27SP |
32 |
45.5 |
27 |
4.32 |
26 |
| 30B29SP |
30 |
44.5 |
29 |
4.23 |
20 |
| 28B31SP |
28 |
43.5 |
31 |
4.14 |
20 |
| 26B33SP |
26 |
42.5 |
33 |
4.06 |
20 |
| 24B35SP |
24 |
41.5 |
35 |
3.97 |
20 |
| 22B37SP |
22 |
40.5 |
37 |
3.88 |
20 |
| 68C19SP |
C-87
D-90.5
E-3.5
G-8.5 |
68 |
77.5 |
19 |
5 |
50 |
| 66C21SP |
66 |
76.5 |
21 |
4.94 |
50 |
| 64C23SP |
64 |
75.5 |
23 |
4.87 |
50 |
| 62C25SP |
62 |
74.5 |
25 |
4.81 |
46 |
| 60C27SP |
60 |
73.5 |
27 |
4.75 |
46 |
| 58C29SP |
58 |
72.5 |
29 |
4.69 |
46 |
| 56C31SP |
56 |
71.5 |
31 |
4.63 |
46 |
| 54C33SP |
54 |
70.5 |
33 |
4.57 |
46 |
| 52C35SP |
52 |
69.5 |
35 |
4.51 |
41 |
| 50C37SP |
50 |
68.5 |
37 |
4.45 |
41 |
| 48C39SP |
48 |
67.5 |
39 |
4.39 |
41 |
| 46C41SP |
C-87
D-90.5
E-3.5G-12 |
46 |
66.5 |
41 |
6.26 |
36 |
| 44C43SP |
44 |
65.5 |
43 |
6.17 |
36 |
| 42C45SP |
42 |
64.5 |
45 |
6.08 |
36 |
| 40C47SP |
40 |
63.5 |
47 |
5.99 |
36 |
| 38C49SP |
38 |
62.5 |
49 |
5.9 |
36 |
| | Spiral Curves When you need to get up and around, the Spiral Curve is the answer. Adaptable to a wide variety of configurations, it accomplishes both elevation and direction differentials with a single unit. Available in arcs from 15 to 290 degrees, Portec's Sprial Curve is the solution for matching two seperate lines. Applications Specifications |
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