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CHERNE Plumbing Test Ball Plugs, Multi Size
Cherne multi-size Test-Ball plugs are used for blocking flow in drain, waste & vent systems (DWVs) or back plugging during sewer air testing. They can be used to seal both round and out-of-round pipes. These Test Ball plugs are integrated with a zinc-plated steel chain and a ring handle for anc...horing the plugs & preventing them from sliding down a pipeline during testing.Read more
A
B| Style | Model | Nominal Size | Range | Max. Back Pressure | Required Inflation Pressure | Deflated Length | Deflated Diameter | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|
| A | 276468 | - | - | - | - | - | - | €191.84 | |
| B | 276128 | 1.25" to 2" | 1.25" To 2.1" | 17 psi/40 ft. | 40 psi | 5.56" | 1.21" | €77.04 | |
| B | 276238 | 2" to 3" | 1.9" To 3.1" | 17 psi/40 ft. | 35 psi | 5.57" | 1.78" | €74.06 | |
| B | 276348 | 3" to 4" | 2.8" To 4.25" | 17 psi/40 ft. | 40 psi | 5.18" | 2.64" | €91.02 |
Working Mechanism
- Insert the plug into the pipe at a distance at least equal to the pipe diameter to prevent protruding of the plug.
- Connect one end of the inflation hose to the line pressure, pump or another supply pressure device and the other end to the plug inflation fitting (such as Schrader valve).
- Block / brace the plug properly before inflating the plug to its rated inflation pressure through the inflation hose without any chance of under-inflation or over-inflation.
- Stabilise the plug for a short moment before testing the pipe or application. After finishing the test or application, release all the back pressure & plug pressure until the plug is completely deflated.
- Remove the blocking / bracing system before removing the plug from the pipe. Store the plug securely according to the storage instructions.
Features
- Cherne multi-size Test-Ball plugs can handle a maximum head pressure of 40 feet (12 metre) & maximum back pressure of 17 psi (1.2 bar).
- Their natural rubber construction offers enhanced sealing properties and excellent expansion & memory.
- They have a Schrader valve inflator and cap with a valve core tightener & moulded-in tank valve inflation thread for inflating the plug.
- These plugs require a 35 / 40 PSI inflation pressure using air, water or an inert gas like nitrogen.
- They are NPT-sized with usage sizes ranging from 1.25 to 4.25 inches.
Standards and Approvals
- ISO 9001
- OSHA
Frequently Asked Questions
What are the points to remember before installing these plugs?
- Select a plug having the proper size according to the pipe size, design and required backpressure handling capacity.
- Use calibrated gauges & appropriate hoses to inflate or deflate the plugs. Monitor the inflation pressure & back pressure at least once per 4 hours for maintaining the rated plug specifications.
- Clean the pipe of any debris or foreign substance to reduce damage to the plug. Clean the plug with a mild soap & water without using any cleaning agent.
- Check the plug for any crack, corrosion, cut, leaks or loose fittings by inflating the plug with 1 PSIG pressure after every use.
- A backup system with a properly designed blocking or bracing device may be chosen to restrain any plug movement due to forces behind the plug, preventing injury in case of a plug failure.
How to store these Cherne multi-size Test-Ball plugs?
These plugs must be stored in a dry place below 110 degrees F and away from sunlight & ozone or ultra-violet light sources. They can be suspended vertically or placed horizontally for storage.
What is the difference between Cherne single-size plumbing Test-Ball plugs and Cherne multi-size plumbing Test-Ball plugs?
Cherne multi-size plumbing Test-Ball plugs have similar features as Cherne's single-size Test-Ball plugs. A single noticable difference is that the multi-size Test-Ball plugs can fit multiple pipe diameters, eliminating the requirement of multiple single-size plugs for fitting different pipe sizes.
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