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The Expander Tube, ET, type element is also an expanding configuration designed for heavy-duty brake applications and where a compact installation envelope is required. The ET element is hydraulically actuated. It utilizes an inflatable, elastomeric tube to create forcible engagement between the friction shoe assemblies and drum. Torque is transmitted from the friction shoes through the support or cage frame to the non-rotating torque plate.
These are the hydraulic actuated tubes, friction shoe assemblies, springs and shields for the Carlisle/BFGoodrich style "Expander Tube Brakes". |
Elasta-Flex® Clutches
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"ET" Series Hydraulic Brake Elements |
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"ET" Series Element - Tube Only
Click on the Size to find the corresponding Part Numbers |
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Dimensions in Inches |
|
Size |
Dynamic Torque Rating (Tr)(1)
(LBS-IN) at 600 PSI |
A
CAGE |
B |
C |
D |
E |
|
NO. |
DIA. |
NO. |
WIDTH |
|
7"x1.5" |
-------- |
1.64 |
6.94 |
.82 |
1 |
.120(2) |
7 |
1.50 |
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17 1/4"x4" |
22,000 |
4.31 |
17.13 |
2.16 |
1 |
.500 |
12 |
3.94 |
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17 1/4"x4" |
22,000 |
4.31 |
17.13 |
2.16 |
1 |
.750 |
12 |
3.94 |
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20 1/4"x3" |
22,500 |
3.47 |
20.13 |
1.74 |
1 |
.500 |
12 |
2.94 |
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20 1/4"x3" |
22,500 |
3.47 |
20.13 |
1.74 |
1 |
.750 |
12 |
2.94 |
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20 1/4"x5" |
44,000 |
5.47 |
20.13 |
2.74 |
1 |
.500 |
12 |
4.94 |
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20 1/4"x7" |
64,000 |
7.38 |
20.13 |
2.69 |
1 |
.500 |
12 |
6.94 |
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20"x5" |
52,500 |
5.62 |
21.88 |
2.81 |
1 |
.500 |
12 |
4.94 |
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22"x5" |
52,500 |
5.62 |
21.88 |
2.81 |
1 |
.750 |
12 |
4.94 |
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22"x5" |
52,500 |
5.62 |
21.88 |
2.81 |
2 |
.750 |
12 |
4.94 |
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22"x7" |
76,000 |
7.62 |
21.88 |
2.81 |
1 |
.500 |
12 |
6.94 |
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26"x5" |
82,500 |
5.62 |
25.88 |
2.81 |
1 |
.500 |
12 |
4.94 |
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26"x5" |
82,500 |
5.62 |
25.88 |
2.81 |
1 |
.750 |
12 |
4.94 |
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26"x5" |
82,500 |
5.62 |
25.88 |
2.81 |
2 |
.750 |
12 |
4.94 |
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26"x7" |
108,000 |
7.62 |
25.88 |
2.81 |
1 |
.500 |
12 |
6.94 |
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Dimensions in Millimeters |
|
Size |
Dynamic Torque Rating (Tr)(1)
(N-m) at 41,4 BAR |
A
CAGE |
B |
C |
D |
E |
|
NO. |
DIA. |
NO. |
WIDTH |
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177,8 x 38,1 |
-------- |
42 |
176 |
21 |
1 |
3,0(2) |
7 |
38 |
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438,15 x 101,6 |
2,484 |
109 |
435 |
55 |
1 |
12,7 |
12 |
100 |
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438,15 x 101,6 |
2,484 |
109 |
435 |
55 |
1 |
19,0 |
12 |
100 |
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514,35 x 76,2 |
2,540 |
88 |
511 |
37 |
1 |
12,7 |
12 |
75 |
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514,35 x 76,2 |
2,540 |
88 |
511 |
37 |
1 |
19,0 |
12 |
75 |
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514,35 x 127 |
4,968 |
139 |
511 |
70 |
1 |
12,7 |
12 |
125 |
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514,35 x 177,8 |
7,226 |
187 |
511 |
68 |
1 |
12,7 |
12 |
176 |
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508 x 127 |
5,927 |
143 |
556 |
71 |
1 |
12,7 |
12 |
125 |
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558,8 x 127 |
5,927 |
143 |
556 |
71 |
1 |
19,0 |
12 |
125 |
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558,8 x 127 |
5,927 |
143 |
556 |
71 |
2 |
19,0 |
12 |
125 |
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558,8 x 177,8 |
8,580 |
194 |
556 |
71 |
1 |
12,7 |
12 |
176 |
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660,4 x 127 |
9,314 |
143 |
657 |
71 |
1 |
12,7 |
12 |
125 |
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660,4 x 127 |
9,314 |
143 |
657 |
71 |
1 |
19,0 |
12 |
125 |
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660,4 x 127 |
9,314 |
143 |
657 |
71 |
2 |
19,0 |
12 |
125 |
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660,4 x 177,8 |
12,193 |
194 |
657 |
71 |
1 |
12,7 |
12 |
176 |
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(1) |
The torque rating varies with actuating pressure. |
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(2) |
1/8 inch soft-drawn copper tubing. |
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(3) |
Recommended Maximum Operating Pressure is 650 PSI (44,8 BAR). |
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Warranties are void on all applications which exceed these specifications. All rotating equipment must be protected to comply with OSHA standards. |
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Oil States Industries, Inc.
Oil States International, Inc.