Aluminium Mechanical Pipe Plugs
Please select a size from the pull down menu
* For sizes 14" and larger, please allow at least 2 weeks delivery. *
For very low pressure test or temporary closure
- 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 range.
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.
| ALUMINUM / AP1.5" TO 36" | |||||
| Item Number | Nominal Size | Size Unexpanded | Size Expanded | Stem Diameter | Unit Weight (LBS.) |
| COB.AP01.50 | 1.50" | 1.456" | 1.889" | 0.50" | .50 |
| COB.AP02.00 | 2.00" | 1.889" | 2.440" | 0.50" | .50 |
| COB.AP02.50 | 2.50" | 2.440" | 2.775" | 0.50" | .50 |
| COB.AP03.00 | 3.00" | 2.795" | 3.425" | 0.50" | .75 |
| COB.AP03.50 | 3.50" | 3.503" | 3.700" | 0.50" | 1 |
| COB.AP04.00 | 4.00" | 3.779" | 4.133" | 0.50" | 1 |
| COB.AP04.50 | 4.50" | 4.251" | 4.724" | 0.50" | 1 |
| COB.AP05.00 | 5.00" | 4.842" | 5.393" | 0.50" | 1.5 |
| COB.AP06.00 | 6.00" | 5.900" | 6.550" | 0.50" | 1.5 |
| COB.AP07.00 | 7.00" | 6.550" | 7.300" | 1.00" | 3.2 |
| COB.AP08.00 | 8.00" | 7.700" | 8.550" | 1.00" | 3.4 |
| COB.AP09.00 | 9.00 | 8.200" | 9.100" | 1.00" | 3.9 |
| COB.AP10.00 | 10.00" | 9.200" | 10.250" | 1.00" | 4.5 |
| COB.AP11.00 | 11.00" | 10.300" | 11.200" | 1.00" | 4.9 |
| COB.AP12.00 | 12.00" | 11.350" | 12.450" | 1.00" | 6.7 |
| COB.AP14.00 | 14.00" | 13.800" | 15.100" | 1.00" | 11 |
| COB.AP15.00 | 15.00" | 14.350" | 15.800" | 1.00" | 11.3 |
| COB.AP16.00 | 16.00" | 15.600" | 17.000" | 1.00" | 13.8 |
| COB.AP18.00 | 18.00" | 17.450" | 19.250" | 1.00" | 17 |
| COB.AP20.00 | 20.00" | 19.150" | 20.650" | 2.00" | 30 |
| COB.AP21.00 | 21.00" | 20.650" | 22.100" | 2.00" | 22.7 (steel) |
| COB.AP24.00 | 24.00" | 23.550" | 25.500" | 2.00" | 33 |
| COB.AP27.00 | 27.00" | 26.250" | 27.700" | 2.00" | 44 |
| COB.AP30.00 | 30.00" | 29.250" | 31.000" | 2.00" | 60 |
| COB.AP33.00 | 33.00" | 32.500" | 34.800" | 2.00" | 86 |
| COB.AP36.00 | 36.00" | 34.500" | 36.800" | 2.00" | 96 |
