Home / Shoring & Trench Safety / Test Plugs / Low pressure bypass plug
Durable and rugged in design, they perform reliably across residential, commercial, and municipal applications. Ideal for installation, repair, and maintenance, low pressure bypass plugs provide a safe and effective solution for testing and managing almost any type of pipe system.






















| Model No. | Diameter (mm) | Size Range (inch) | Size Range (mm) | Diameter | Length (inch) | Length (mm) | Weight (kg) | Required Inflation Pressure (PSI) | Required Inflation Pressure (bar) | Max Allowable Back Pressure Air (PSI) | Max Allowable Back Pressure Air (bar) | Max Allowable Back Pressure Air (ft) | Max Allowable Back Pressure Air (m) | Weight | Bypass Size | Pipe Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.0" - 8.0" | 97mm | 4.0"-8.0" | 100-200mm | 3.8" | 22.0" | 559mm | 3.2kg | 40psi | 2.8bar | 15 15 15 | 1.0 1.0 1.0 | 45 40 35 | 13.7 12.2 10.7 | 7.0lbs | 2.0" | 4.0 6.0 80 |
| 5.5" - 10.5" | 140mm | 5.5"-10.5" | 150-275mm | 5.5" | 22.0" | 559mm | 5.9kg | 40psi | 2.8bar | 15 15 15 | 1.0 1.0 1.0 | 45 40 35 | 13.7 12.2 10.7 | 13.0lbs | 3.0° | 6.0 8.0 10.0 |
| 7.0" - 12.5" | 165mm | 7.0"-12.5" | 175-325mm | 6.5" | 22.0" | 559mm | 8.2kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 45 40 35 | 13.7 12.2 10.7 | 18.0lbs | 4.0" | 8.0 10.0 12.0 |
| 9.0" - 16.0" | 216mm | 9.0"-16.0" | 225-400mm | 8.5" | 22.0" | 559mm | 11.8kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 45 45 35 | 13.7 13.7 10.7 | 26.0lbs | 6.0" | 10.0 12.0 16.0 |
| 10.5" - 18.0" | 254mm | 10.5"-18.0" | 275-450mm | 10.0" | 22.0" | 559mm | 15.4kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 40 35 30 | 12.2 10.7 9.1 | 34.0lbs | 6.0" | 12.0 15.0 18.0 |
| 14.0" - 21.0" | 343mm | 14.0"-21.0" | 350-550mm | 13.5' | 24.0" | 610mm | 20.9kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 40 35 30 | 12.2 10.7 9.1 | 46.0lbs | 6.0" | 15.0 18.0 21.0 |
| 16.5" - 24.0" | 406mm | 16.5"-24.0" | 425-625mm | 16.0" | 24.5" | 622mm | 27.2kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 40 35 30 | 12.2 10.7 9.1 | 60.0lbs | 6" | 18.0 21.0 24.0 |
| 16.5" - 24.0" | 406mm | 16.5"-24.0" | 425-625mm | 16.0" | 24.5" | 622mm | 27.2kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 40 35 30 | 12.2 10.7 9.1 | 60.0lbs | Various | 18.0 21.0 24.0 |
| 16.5" - 30.0" | 406mm | 16.5"-30.0" | 425-775mm | 16.0" | 41.0" | 1041mm | 43.1kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 40 35 30 | 12.2 10.7 9.1 | 95.0lbs | Various | 18.0 24.0 30.0 |
| 22.0" - 36.0" | 406mm | 22.0"-36.0" | 550-950mm | 16.0" | 21.5" | 546mm | 58.9kg | 40psi | 2.8bar | 15 15 10 | 1.0 1.0 0.7 | 40 35 30 | 12.2 10.7 9.1 | 130.0lbs | Various | 24.0 30.0 36.0 |
| 34.0" - 48.0" | 406mm | 34.0"-48.0" | 850-1250mm | 16.0" | 33.0" | 838mm | 97.5kg | 40psi | 2.8bar | 10 8 5 | 0.7 0.6 0.3 | 25 25 20 | 7.6 7.6 6.1 | 215.0lbs | Various | 36.0 42.0 48.0 |
| 46.0" - 60.0* | 406mm | 46.0"-60.0* | 1150-1550mm | 16.0' | 45.0* | 1143mm | 147.3kg | 40psi | 2.8bar | 8 8 5 | 0.6 0.6 1.3 | 20 20 15 | 6.1 6.1 16 | 325.0lbs | Various | 48.0 54.0 60.0 |