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Cast Aluminum Expansion Plugs
From 1½" to 36" "Light, Tough and Available"
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These superior, versatile, expandable plugs are used to accommodate a wide variety of industrial applications where an airtight seal is required.
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COB Pipe Plugs Advantages:
- Lightweight, easy to handle - up to 70% lighter than similar steel plugs.
- Durable cast aluminum - heavy duty, non-corrosive and maintenance-free; with natural rubber.
- Fill or Vent - threaded pipe stem has removable cap.
- Simple to install and work with - wing nut easily expands rubber seal.
- Special sizes are available to increase expansion plugs range.
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Note: Expansion plugs are less effective at higher limits of expansion than in the mid range. Let us help you by supplying the proper sizes for your requirements.
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| ALUMINUM Pipe Plugs/ AP1.5" TO 36" |
Item
Number |
Nominal
Size |
Size
Unexpanded |
Size
Expanded |
Stem
Diameter |
Unit
Weight
(LBS.) |
| AP01.50 |
1.50" |
1.456" |
1.889" |
0.50" |
.50 |
| AP02.00 |
2.00" |
1.889" |
2.440" |
0.50" |
.50 |
| AP02.50 |
2.50" |
2.440" |
2.775" |
0.50" |
.50 |
| AP03.00 |
3.00" |
2.795" |
3.425" |
0.50" |
.75 |
| AP03.50 |
3.50" |
3.503" |
3.700" |
0.50" |
1 |
| AP04.00 |
4.00" |
3.779" |
4.133" |
0.50" |
1 |
| AP04.50 |
4.50" |
4.215" |
4.724" |
0.50" |
1 |
| AP05.00 |
5.00" |
4.842" |
5.393" |
0.50" |
1.5 |
| AP06.00 |
6.00" |
5.900" |
6.550" |
0.50" |
1.5 |
| AP07.00 |
7.00" |
6.550" |
7.300" |
1.00" |
3.2 |
| AP08.00 |
8.00" |
7.700" |
8.550" |
1.00" |
3.4 |
| AP09.00 |
9.00" |
8.200" |
9.100" |
1.00" |
3.9 |
| AP10.00 |
10.00" |
9.200" |
10.250" |
1.00" |
4.5 |
| AP11.00 |
11.00" |
10.300" |
11.200" |
1.00" |
4.9 |
| AP12.00 |
12.00" |
11.350" |
12.450" |
1.00" |
6.7 |
| AP14.00 |
14.00" |
13.800" |
15.100" |
1.00" |
11 |
| AP15.00 |
15.00" |
14.350" |
15.800" |
1.00" |
11.3 |
| AP16.00 |
16.00" |
15.600" |
17.00" |
1.00" |
13.8 |
| AP18.00 |
18.00" |
17.450" |
19.250" |
1.00" |
17 |
| AP20.00 |
20.00" |
19.150" |
20.650" |
2.00" |
28 |
| AP21.00 |
21.00" |
20.650" |
22.100" |
2.00" |
30 |
| AP24.00 |
24.00" |
23.550" |
25.500" |
2.00" |
33 |
| AP27.00 |
27.00" |
26.250" |
27.700" |
2.00" |
44 |
| AP30.00 |
30.00" |
29.250" |
31.000" |
2.00" |
60 |
| AP33.00 |
33.00" |
32.500" |
34.800" |
2.00" |
86 |
| AP36.00 |
36.00" |
34.500" |
36.800" |
2.00" |
96 |
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