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Belt Power Curves

TECHNICAL SPECIFICATIONS

This is only a small example of the model sizes available from Portec. There are 4 standard family sizes of Portec Belt Power Curves based upon the outside conveying radius (C) and a range of conveying widths (F). Any conveying width within the available range and having one of the 3 standard outside conveying radii would be considered a standard model. While Portec frequently designs and builds special radius belt curves, the standard models represent the best value and shortest production lead-time.

Model Numbers Constant Dimensions Inside Radius A Conveying Centerline B Conveying Width F End Roll Dia. @ Centerline Gear-In 1 rpm=ft
"A" Belt Curve Family (7-25" conveying width)
40A7
C-47"
D=50.5"

Frame
Ht.=8.5"

Std. Shaft
Dia.=1"
40
43.5
7
4.79
1.24
36A11
36
41.5
11
4.58
1.18
32A15
32
39.5
15
4.36
1.12
28A19
28
37.5
19
4.14
1.07
26A21
26
36.5
21
4.03
1.04
24A23
24
35.5
23
3.92
1.01
22A25
22
34.5
25
3.82
.98
"B" Belt curve Family (7-37" conveying width")
52B7
C=59"
D=62.5"

Frame
Ht.=8.5"

St. Shaft
Dia.=1-3/16"
52
55.5
7
4.92
1.27
44B15
44
51.5
15
4.57
1.18
40B19
40
49.5
19
4.40
1.13
32B27
32
45.5
27
4.05
1.04
28B31
28
43.5
31
3.87
1.00
26B33
26
42.5
33
3.78
.97
22B37
22
40.5
37
3.61
.93
"C" Belt Curve Family (7-39.38" conveying width")
80C7
C=87"
D=90.5"

Frame
Ht.=8.5"

Std. Shaft
D ia.=1-7/16"
80
83.5
7
5.08
1.31
74C13
74
80.5
13
4.90
1.27
68C19
68
77.5
19
4.72
1.22
62C25
62
74.5
25
4.54
1.17
56C31
56
71.5
31
4.36
1.12
50C37
50
68.5
37
4.18
1.08
48C39
48
67.5
39
4.12
1.06
"HC" Belt Curve Family (39.39-49" conveying width)
46HC41
C=87"
D=90.5"
Frame
Ht.=12"
Std Shaft
Dia.=1-7/16"
46
66.5
41
5.99
1.55
44HC43
44
65.5
43
5.9
1.53
42HC45
42
64.5
45
5.81
1.5
40HC47
40
63.5
47
5.72
1.48
38HC49
38
62.5
49
5.63
1.46
*End roll diameter at conveying centerline including belt thickness of .11".
Notes: Conveying width (F) is equivalent to the "between sideguards" (BSG) width or "between frame" (BF) width. The exposed belt width is approximately 1/2" narrower than the nominal conveying width (F).
The outside radius frame, chain cover and both sideguards extend 3/8" past the true angle at both ends of the conveyor. The inside radius frame length matches the true angle.

Application Specials
Portec Flomaster can design and build the Belt Power Curve to meet your special application requirements. Special radius and food grade stainless steel designs are just a few of the many possible specials that Flomaster will do to meet your needs. Portec belt curves are available in a wide range of angles up to 350 degrees.




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PO Box 589 · Canon City, CO 81215-0589 USA · Tel: +1 719-275-7471 · Fax: +1 719-269-3750