Cherne
Cherne 269921 3 in Mechanical Pipe Plug Trap
Mechanical pipe plug seals 3-inch pipes with 28 psi air and 65 ft water back-pressure ratings
- TypeDrain Components
- Seals 3 in pipes with natural rubber durability
- Fits 2.73 to 3.2 in inside diameters
- Holds 28 psi air back pressure
- Withstands 65 ft water head pressure
- Galvanised steel plate resists corrosion
Mechanical pipe plug for 3-inch pipes
The Cherne 269921 is a mechanical pipe plug designed to seal 3-inch pipes during testing or maintenance. It fits pipe inside diameters from 2.73 to 3.2 inches and uses a natural rubber sealing element with galvanised steel plates. The plug is new and ready for immediate use on site.
For pressure testing and temporary blockage
Plumbers and contractors performing air or water pressure tests on 3-inch lines will find this plug suitable. It holds up to 28 psi of air back pressure and 65 feet of head for water. Buyers needing a plug for larger or smaller pipe diameters, or those requiring a bypass connection for flow-through testing, should look at other models.
Sealing range decides fit
The single specification that determines whether this plug works is the pipe inside diameter range of 2.73 to 3.2 inches. Measure the actual pipe ID before ordering; if it falls outside this window the plug will not seal.
Highlights
- Seals 3 in pipes with natural rubber durability
- Fits 2.73 to 3.2 in inside diameters
- Holds 28 psi air back pressure
- Withstands 65 ft water head pressure
- Galvanised steel plate resists corrosion
Specifications
| Type | Drain Components |
|---|---|
| Brand | Cherne Industries |
| Model | 269921 |
Questions about this item
What pipe inside diameter range does the 3 in mechanical plug fit?
The plug seals pipes with an inside diameter from 2.73 in to 3.2 in.
How do you expand the natural rubber sealing element and what step is often missed?
Tighten the centre bolt to press the rubber against the pipe wall; the step often missed is re-tightening after the rubber relaxes.
When should the natural rubber sealing element be replaced?
Replace the rubber when it cracks, hardens or no longer holds the rated 28 psi air or 65 ft water back-pressure.
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