These cookies make our website work. They include logging personal details, like login/sign-up or account data, browser information, images & videos, and shopping cart journey.
In addition, we use optimization cookies to test new features and designs on our website. The information collected helps us improve our website and customers' experience.
These cookies are used to understand the performance and relevancy of our adverts, to provide you with personalised adverts on other websites and social media, to track when you have arrived at our site from a recognised third-party affiliate website, and to track if you made a purchase based on the adverts we displayed to you.
These cookies enable us to provide personalised product and content recommendations, to make the browsing experience more relevant to you.
These cookies are used to offer customer surveys and feedback, to improve search results, and to allow you to share content from our website on social media.
These cookies help us improve our website by collecting and reporting information on how you use it.
CHERNE Underground Test Ball Plugs, Multi Size
Cherne multi-size underground test ball plugs are ideal for blocking the flow while permitting maintenance in storm sewer and sanitary systems. They are used as back plugs for sewer air testing and can be fitted to multiple pipe sizes.
A
B| Style | Model | Nominal Size | Range | Max. Back Pressure | Required Inflation Pressure | Deflated Length | Deflated Diameter | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|
| A | 275048 | - | - | - | - | - | - | €265.06 | RFQ
|
| B | 275058 | 6" to 8" | 5.25" To 8.25" | 17 psi/40 ft. | 30 psi | 14" | 5" | €563.82 | |
| B | 275088 | 8" to 12" | 7" To 12.25" | 11 psi/25 ft. | 20 psi | 16" | 6.75" | €1,018.75 |
Working Mechanism
- Position the plugs into the pipe at a distance at least equal to the pipe diameter.
- Attach one end of the inflation hose to the plug inflation fitting and brace / block the plug.
- Inflate pressure to the plug through the inflation hose and let it stabilise.
- Proceed with testing of pipe, application or other use of the plug.
- Release plug pressure from outside the danger zone until the plug is completely deflated and remove bracing / blocking system.
Features
- Cherne multi-size underground test ball plugs (275058 & 275088) seal both irregularly shaped and round pipes.
- They feature natural rubber construction for excellent memory and abrasion.
- The inflation valve can be removed and replaced (if damaged) with quick disconnect fittings.
Standards and Approvals
- ISO 9001
- OSHA
Frequently Asked Questions
What is the shelf life for Cherne pneumatic plugs?
Cherne offers a 2-year warranty on all pneumatic plugs (from the date of manufacture) when kept under controlled conditions and at temperatures between 0 and 125 degrees Fahrenheit.
What will happen during over-inflation or under-inflation of plugs?
- Over-inflation: It may cause the plug to dislodge and rupture at extreme velocity.
- Under-inflation: It may cause the media and the plug restrained to dislodge from the pipe.
How often should the pressure of the plugs be monitored?
The inflation pressure should be checked and maintained a minimum of once per 4 hours while in use.
We are here to help!
Looking for a part not listed here?
Explore More
- EREM
- KEYSHAFT
- ROWE
- YOKE
- BAHCO
- Right-To-Know Tags
- Impact Socket Adapters
- Sleeve and Thimble Kits
- Megohmmeters
- Pressure Gauge Snubbers
- AKRO-MILS 33164 Series, Divider Box
- WELLS LAMONT Para-Aramid/Meta-Aramid Seamless Heat Resistant Gloves
- CONDOR Leather Gloves, Standard, Straight Thumb, Beige
- Krytox 240AA Series Aerospace Grade Fluorinated Grease
- DESTACO 374-M Series Pull Action Latch Clamps
- HUBBELL PREMISE WIRING Wall Plates, 12 Ports
- HONEYWELL Stem Adapters
- TENNSCO Combination Locker
- VERMONT GAGE Go Standard Thread Plug Gages, 1 3/8-8 Un
- MARTIN SPROCKET Double Bushed QD Type Roller Chain Sprockets, 35 Chain Number