Pipeline Plugs Archives

Sewer Robotics
ONE SYSTEM FOR MULTIPLE APPLICATIONS

A streamlined and economical system that swiftly eliminates root intrusions, trims protruding taps, restores lateral connections, applies spot repair systems. It clears stubborn grease, excess concrete, calcium, and scale deposits from pipes and service laterals ranging from 150mm to 1000mm below ground.

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Cherne Muni-Ball® Plugs
The Muni-Ball® Plug was introduced over 50 years ago and the Cherne brand continues to be the most trusted name in pneumatic plugs.

The Muni-Ball Plug offers a full bypass allowing both testing and monitoring of the piping system. The Cherne Muni-Ball® is ideal for installation and repair of residential or commercial piping applications. Cherne Muni-Ball® products can be used for maintenance of municipal infrastructure, including sanitary and storm sewer pipe systems. Muni-Ball® plugs are durable, rugged and are effective on almost any type of pipe.
- Muni-Ball® Plugs are designed with ¼” Shrader Tire inflation valve
- Larger diameter Muni-Ball® Plugs include a removable threaded valve, allowing the user to replace with quick disconnect fittings
- Muni-Balls with flexible bypass are bendable to 90°
- Multi-Size® Muni-Ball® Plugs allow more options and less inventory
Cherne’s 8″, 10″ & 12″ Muni-Balls® now come with an integral modified plug allowing for easy conversion to perform an air test. Same great plug; outstanding new feature!

If there is a size not available in the dropdown menu below, please contact us.

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$315.65 – $555.39
Cherne Deflection Gauges
Deflection Gauges

Deflection Gauges (mandrels) are used to test flexible sewer pipe for out-ofroundness or deflection per ASTM specifications D3034 and F679. This testing ensures that flexible pipe has been properly bedded and backfilled (ASTM D2321) to give optimal performance.

Both steel and aluminum gauges utilize a nine arm design to ensure the pipe is tested accurately. This design also allows gravel and debris to easily pass through.

Other gauges can get hung up – causing a deflection test to fail, even though the pipe is within tolerance. Sized to .01″ , both deflection gauge styles meet ASTM requirements.

Aluminum Fin Style Deflection Gauge:
- Lightweight, corrosion-resistant
- Field-verifiable without a proving ring
- Assembles without tools
- All sizes fit through standard 24″ manhole
- Fins for 4″-15″ gauges have skid size equal to the nominal pipe size—gauge will meet regional codes and will not tip in the line
- Nine-fin design ensures testing accuracy
- Open design allows gravel and debris pass-through
Fixed Steel Style Deflection Gauge:
- Durable, zinc-plated construction resists corrosion
- Conforms to mandrel sizing specifications—blade length is equal to or greater than the nominal pipe size
- Nine-arm design ensures testing accuracy
- Open design allows gravel and debris pass-through
Proving Ring:
- Used to verify deflection gauge sizes
- Standard sizes: 6″-15″ SDR 35 5% deflection and 8″-12″ SDR 35 7.5% deflection
- Custom sizes for 5″-18″ also available
Sizes available:

CUSTOM 5.19 – 6.49″, CUSTOM 6.50 – 8.29″, CUSTOM 8.30 – 9.99″, CUSTOM 10.00 – 12.55″, CUSTOM 12.56 – 15.33″, CUSTOM 15.34 – 18.99″, CUSTOM 19.00 – 20.99″, CUSTOM 21.00 – 23.00″

This product is a special order. Please contact us for price and availability.

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Cherne Test Ball® Plugs
The Cherne Test-Ball has been the contractor’s choice for over 50 years and continues to be the most trusted pneumatic test ball in the industry. Designed for applications from pressure testing and blocking of residential DWV systems to repair maintenance and installation of municipal infrastructure including storm and sanitary sewer piping systems, The Cherne Test-Ball does it all.

Cherne Test-Balls are now available with patented Rupture Disc Technology. This feature prevents over inflation of the pneumatic plug. Rupture Disc Technology also prevents damage to cording.

Damaged cording is an unseen condition that compromises plug performance.

Cherne Test-Balls are durable, rugged and effective in any type of pipe.
- Multi-size: More options, less inventory
- Available with patented field repairable rupture disc technology
- ¼” Schrader tire valve standard on all plugs
- Large plugs feature a removable valve allowing them to be repaired or replaced with quick disconnect fittings
- All Test-Balls are bendable to 90°
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$44.48 – $346.91
Quick-Lock
Positioned usually by a crawler and expanded pneumatically, Quick-Lock’s rehab sleeve provides structural, trenchless pipe repair with heavy-gauge 316 stainless steel, plus infiltration abatement with an EPDM rubber gasket.

Quick-Lock is the solution for:
- Infiltration.
- Longitudinal cracks.
- Circumferential cracks.
- Holes.
- Separated joints.
- Offset joints.
- Abandoned laterals.
- Root intrusion.
- Quick-Lock sleeves in the smaller range are available in diameters ranging DN100–DN825, and in lengths of 400mm, and 500mm.
- DN825-DN1800 pipes are also catered for under confined space entry with the Quick-Lock Big seal.
- Multiple sleeves can be interleaved to perform longer repairs (JDL’s) and for radial displacements (JDR’s) choose the new Quick-Lock Flex seal.
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Cherne Air-Loc® Smoke Testing Products
Smoke Testing

Smoke testing sewer systems was introduced in the early 1960’s as a method of identifying areas where extraneous water was entering sanitary sewer systems. Today, smoke testing is known to be a proven method of effectively identifying inflow (storm/ground water entry into sanitary sewer), connected roof and basement drains, yard drains, illegal taps, and storm sewer cross connections.

Reducing inflow and infiltration saves costs from treating groundwater at wastewater treatment plants. The Environmental Protection Agency has instructed municipalities to eliminate inflow and infiltration into sewer systems. Smoke testing sewer systems is an effective way to accomplish this goal.

Smoke testing is accomplished by isolating a section of sewer line and introducing smoke into the line utilizing a smoke blower and smoke-generating device. (Important: Notify all local authorities and citizens before conducting smoke tests! Cherne provides guidelines for properly preparing and announcing to the community that a smoke test will be conducted.) Lines are first isolated using pipe plugs. Then smoke is introduced into the sewer system. The test crew then checks buildings, roof vents, the street, and other areas that potentially could be a source of extraneous water and records those locations for corrective follow-up.

Smoke Blowers

Cherne offers the broadest line of smoke testing equipment available today. Our smoke blowers are available for either traditional “smoke bombs” or liquid smoke fluid. Available with Honda or Briggs & Stratton engines, our units generate up to 3,769 cubic feet per minute of airflow to quickly introduce smoke into the sewer system. Cherne’s blowers are made of lightweight cast aluminium and feature a 1/2″ foam cell gasket to insure a leak-free seal on manholes and minimize vibration. The traditional smoke blower has a smoke bomb box holder, whereas the liquid smoke blower is supplied with a pressurized tank, hose and all components necessary to conduct the smoke test.

Smoke Generating Devices

Cherne Smoke Generating Devices (SGD), or “smoke bombs”, produce a thick, dense smoke that is highly effective for performing smoke tests. Smoke generating devices are timeproven, simple to use, and can be used by them selves or with most smoke blowers on the market today.

Smoke Fluid

Cherne’s Smoke Fluid also produces thick, dense smoke to effectively perform smoke tests. While Smoke Fluid requires some additional equipment to perform a smoke test, municipalities have found smoke fluid to be easy-to-regulate and has virtually an indefinite storage life.

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Quick-Lock BIG
The Quick-Lock BIG sleeve is a product for permanently and tightly sealing leaking pipe joints, radial cracks, and longitudinal cracks in large pipes and manholes of DN 800 and larger.
- The sleeve is 20 cm wide.
- The sealed area (between the circumferential seals) is approximately 12 cm.
(The distance between the circumferential seals is approximately 14 cm. However, these are pulled together when the jacket is expanded so that the sealed area is 12 cm wide.)

The system is made from V4A stainless steel of grade 1.4404 (AISI 316L) and an EPDM compression seal.
- The materials used are permanently resistant in municipal wastewater systems.
- Their suitability must be ascertained for use in industrial or polluted wastewater.
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Cherne Air-Loc® Line Acceptance Kit
Air-Loc® Low Pressure Air-Testing system has been successfully used for pipeline testing for over thirty-five years. This method of testing pipelines has proven to be the fastest, most economical and accurate method for testing pipe.

Air-Loc® Line Acceptance Kit. Used to perform a low-pressure air test from manhole to manhole. This is done by installing two Cherne Air-Loc plugs and using Cherne’s Air-Loc Panel to inflate the plugs and pressurise the pipeline. The test pressure is monitored for a predetermined amount of time for any decrease in pressure. If pressure drops less than 1 psi, the test passes. If a leak is detected, additional equipment is required to isolate the leak.

This product is available by special order. Please note that the pump is not included but can be purchased separately. For pricing and availability, please contact us.

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Out of Stock

Cherne Remo® Plugs

Cherne® Remo® Remote Placement Plug eliminates the need to enter confined spaces and speeds up the pipe plugging process in a safer and less expensive way than conventional plugging methods. NEW DESIGN.

$1,156.33 – $2,847.45
Trelleborg DrainLining
Full-Length Sewer Rehabilitation of Main- and House Sewer DN 30 – DN 1000 by Inversion method

The DrainLiner method is best suited for the complete renovation of buried damaged gravity sewer pipes and pressurized pipelines.

Perfectly matched and partly proprietary components ensure optimal results in the lining of:
- House sewers and lateral pipes
- Pipes inside buildings
- Main lines in the public area
In nominal diameters from DN 30 to DN 1600 up to DN 800 to handle with Inversion drums DIBt approval for DN 100 to DN 400

Applications:
- Leakage with or without groundwater infiltration or exfiltration at pipe joints, pipe walls, lateral junctions etc.
- Offset pipes, cracks and debris, ruptures
- Mechanical wear
- Corrosion
Benefits:
- Efficient time-saving installation
- Repairs damage in the pipe and joint regions even against strong infiltration.
- Enables installers to close obsolete lateral junctions.
- Repairs circular and egg-shaped pipes made of concrete, asbestos cement, plastics (PVC, PP, HDPE), cast iron, ductile cast iron, reinforced concrete and vitrified clay.
- Repairs entire pipe runs with size changes in between
- Long service life due to high-quality materials
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Cherne Air-Loc® Leak Location Kit
Air-Loc® Leak Location Kit. If the line acceptance test indicates a leak in the sewer line, it becomes necessary to locate the leak(s) so that proper repairs can be made.

A leak location (segment) test is accomplished by first stringing the sewer line using a Cherne Air-Loc Line Stringer or float line. Once strung, a winch cable is used to pull two Air-Loc Leak Locator plugs, which are attached together with an interconnect hose, through the pipeline in 22′ intervals. Air is introduced between the plugs at each 22′ increment until the test fails. Then, by moving the plugs back and forth, the leak can be isolated within two feet.

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Cherne Gripper® Plugs
The Gripper® has become the most popular mechanical plug on the market. And our Gripper plug, like all Cherne mechanical plugs is great for long term applications.

The “Original” Gripper® Plugs
- Ideal for plumbing system tests
- Made with glass reinforced ABS Plastic
- Extra-large wing nut (easy to install)
- Natural Rubber “O” Ring
- End of Pipe – seals only at the end of a pipe
Please contact us for other sizes if not seen in the dropdown box below.
$11.30 – $58.25
Cherne Air-Loc® Fan Assemblies
The versatile Air-Loc® Fan Assembly can be used as a line stringer and smoke blower. Made from lightweight cast aluminium, this assembly includes a 5HP Honda or Briggs & Stratton engine and top mounted handles for easy manoeuvrability.

Air-Loc® Fan Assembly Features:
- For use as a line stringer andsmoke blower
- Made of lightweight, cast aluminum
- Foam base minimizes vibration
- 30″ Diameter base plate
Equipped with:
- Honda or Briggs & Stratton engine
- Top-mounted handles for easy maneuverability
Line Stringer Usage Details:
- Will string a 300′ section of sewer line in under a minute without plugging the line
- Line stringer vacuum pulls a lightweight nylonparachute through wet or dry lines
Available Engine Types:

FAN ASSEMBLY AIR-LOC (B&S ENGINE) L/STRI

FAN ASSEMBLY AIR-LOC (HONDA ENGINE)

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Econ-O-Grip® Plug
Econ-O-Grip® Plug Features:
- Cost effective method for plugging open ended pipe
- Works well as a pipe dust cover
Equipped with:
- Galvanized metal plates and bolts
- Natural rubber o-ring
Petro Econ-O-Grip® Plug Features:
- Cost effective, chemical-resistant plug
- Works well as a pipe dust cover
Equipped with:
- Stainless steel bolt and plate
- Chemical resistant nitrile rubber
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$8.90 – $35.82
Aluminium T-Handle Gripper® Plugs
One of the major benefits of mechanical plugs over pneumatic plugs is mechanical plugs can be used in long – term applications. Unlike pneumatic plugs, which can lose air pressure over time, mechanical plugs do not use air pressure, resulting in a more secure seal.
- Made of heavy-duty aluminium
- Neoprene “O” ring (chemical resistant)
- Sizes 6″ – 12″ sized for concrete, clay, and SDR 26 & 35 pipe
- Sizes 15″ & 18″ sized for concrete & clay pipe sizes only
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Cherne Air-Loc® Manhole Testers
Air-Loc® Manhole Testers provide the most efficient, accurate, and cost effective method of testing new, existing, and rehabilitated manholes. Vacuum testing identifies infiltration and exfiltration problems.

This product is a special order. Please contact us for price and availability. Vacuum pump not included.

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Trelleborg DrainSystems
Certified pipe rehabilitation solutions from the drain to the treatment plant

The DrainSystems range covers almost the entire scope of necessary repair and renovation measures in a pipe system. There are sophisticated solutions to almost any problem:

Trenchless methods (“no-dig technologies”) are a both practical and economical alternative to full-scale replacements especially in industrialised nations, large cities and agglomerations having a dense network of sewers. In contrast with conventional repair techniques involving digging up the streets, they contribute a lot to energy savings and climate protection by avoiding dust and CO² emissions from construction operations and traffic jams.
- No social disruption (roads, pedestrians)
- No nuisances for residents/neighbours from noise, smell, or dirt
- No or just brief disruption of operations (industrial plants)
- Low overall cost
- Potential to prevent full rehabilitation or full renewal, and thus to avoid essentially higher costs, by early renovation (preventive action)
- Compliance with current standards and regulations by certified methods
- High rehabilitation potential by sectional repair of part lengths or full renovation of longer pipe runs
Due to its unique product range of certified building products in the field of trenchless pipe rehabilitation solutions, Trelleborg has developed a unique selling proposition from which customers and users can also now profit.

Please contact us for price & availability.

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Cherne Air-Loc® Joint Testers
Fast, safe and easy to use, a five-second test determines joint integrity. Cherne’s Air-Loc® Joint Tester is designed to test large diameter, installed, pre-cast concrete pipe as described in ASTM C1103.

Ready to test with water or air straight from Cherne’s factory—no modifications are needed—the Air-Loc® Joint Tester also allows you to pre-test before backfilling. Capable of testing to 15 PSI air or 50 psi water.

Features:
- Lightweight aluminium design allows for easy assembly in manholes
- Independent, adjustable wheels—easy to move
- Quick-connect control panel is simple to install and remove, plus the top-mounting feature won’t interfere with laser usage
- Available with or without control panel and wheel kit
- Replacement end elements are available
- Recommended for testing pipe 21″ and larger
This product is a special order. Please contact us for price and availability.

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Cherne Kwik ‘N Sure® Plug
Kwik ‘N Sure® Plug Features:
- Works in all types of pipe
- Ideal for plugging water line stub-outs
- Designed for high pressure applications
Equipped with:
- Natural rubber o-ring
- Wing nut on the 10mm-32mm sizes
- Hex nut on the 40mm-125mm sizes
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$10.78 – $119.66
Trelleborg DrainMtH Liner
The unique Main to House sewer lining system

Trenchless Rehabilitation system for the sealing and stabilizing of lateral connections and the lateral pipes from the main sewer to the house – based on the CIPP Lining technology.

The benefits at a glance:
- No-Dig method
- No need to enter private property
- Max. rehabilitation length: 30 m / 98 ft
- Max. line distance between access manhole and lateral junction: 150 m / 492 ft
- Connection angle: 30° – 90
- Easy to position
Highly flexible liner material
- Negotiates bends up to 90°
- Excellent mechanical properties, exceeding requirements of ASTM
- 100% steam resistant
Main pipe diameters:
- Packer Type 0 : DN 135 – DN 150 | 5″ – 6″
- Packer Type I : DN 200 – DN 225 | 8“ – 9“
- Packer Type II : DN 250 – DN 350 | 10″ – 14″
- Packer Type III: DN 400 – DN 600 | 16″ – 24″
Lateral diameter:
DN 100 – DN 200 / 4“ – 8“
Please contact us for price & availability.

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Aluminium Test Plugs with Bypass
75mm to 150mm are Injection Moulded Aluminium, which is stronger than normal Sand Casts and come with a safety ring as standard.

Size range from 75mm to 600mm Longer Bypass Shafts for Attachments and Natural Rubber Seals
- Quality cast Aluminium
- Non-corrosive
- Longer Bypass
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$22.94 – $973.50
Cherne Air-Loc® Vacuum Equipment
Air-Loc® Vacuum Pump Features:
- Choose a Honda or Briggs & Stratton engine–each with low-oil shut-off to prevent engine failure
- Heavy-duty frame with optional wheel kit
- Unbreakable aluminum filter jars
- Oil-free graphite vane pump for no-fuss lubrication
- Draws 10″ Hg vacuum in about two minutes for a 15′ deep manhole (18 CFM at 10″ Hg)
Air-Loc® Vacuum Generator Features:
- Converts standard air compressor into a vacuum source for testing manholes–draws a vacuum in minutes
- Vacuum Generator 460 delivers 14 CFM at 10″ Hg
- Air compressor: minimum 7 CFM at 100 PSI
- Vacuum Generator 600 delivers 42 CFM at 10″ Hg, meeting or exceeding the competition
- Air compressor: minimum 85 CFM at 100 PSI
This product is a special order. Please contact us for price and availability.

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Trelleborg DrainLCR-B
New Method for the Lateral Connection Repair of Underground House Sewers and Downpipes in Buildings

Main Pipe DN 100 – DN 200
Lateral DN 50 – DN 200 (at 30° – 90°)

Trenchless repairs of lateral connections are rather tricky jobs to do. Many commonly available packer systems cannot cope with pipes having diameters of rarely more than DN 100 – and sometimes even additional pipe bends. Until the recent past, no repair system in the DN 100 to DN 150 range had been available for sealing junctions of down pipes, house sewers and lateral pipes, i.e. pipe sizes of DN 50 to DN 150.

With LCR-B (“B” stands for building), Trelleborg managed for the first time ever to scale down to lateral and house sewer sizes the LCR-S method (“S” stands for sewer) known from main line rehabilitation, in which a packer is used to invert a fibreglass “hat” profile into the main/lateral interface. As an alternative to the specifically developed hat profile, it is also possible to use a liner of the appropriate size.

The LCR-B hat profile in the main pipe seals the interface between the two pipe systems with its rim only, whereas the LCR-B liner is designed as a short liner in the down pipe or house sewer. The standard lateral repair length is 300 mm – the new LCR-B packer model allows a maximum repair length of 1300 mm.

The LCR-B liner and hat material is suitable for steam curing and has high mechanical properties and very good sealing capabilities. In order to reduce the curing time, Trelleborg Pipe Seals is offering a steam generator (SteamGen V3).

Behaviour in bends
Depending on the actual host pipe run or on wrinkles formed in the installed liner:
45° for DN 100 main line
90° for DN 125 or larger main line
Wall thickness of 2 to 3 mm

Benefits
- Meets practical needs: Successful repairs with little equipment needs only, even in the presence of bends.
- Price advantage: Low investment cost, because you need to buy just the packers actually required.
- Practical: The low-weight mobile unit with low space requirements can be placed even in a small car.
- Flexibility: The job can be done with air push rods; no carriage needed.
- Accessibility: The LCR-B packers can be folded as required.
- No risk of fire: The resin system used for the liner system is self-extinguishing.
Please contact us for price & availability.

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Cherne Air-loc® Leak Locator Plugs
Air-Loc® leak locator plugs are designed for both low-pressure sewer line acceptance tests as well as leak location testing. Air-Loc® plugs can also be used to block flow by simply plugging the fill and readback ports.

Features:
- Eye bolts on both ends
- Easy-to-use quick-disconnect hose connections
- Rupture discs available
- Cross-biased cording on sizes 375-750mm, 600-1050mm, and 1000-1500mm
“Front” Air-Loc® Leak Locator Plugs also come equipped with:
- Color-coded inflation ports
- Removable air fittings
- Flexible internal hoses
- Field replaceable sleeves
Sizes:

AIR LOC LEAK LOCATOR PLUG 200-300MM, AIR LOC LEAK LOCATOR PLUG 300-450MM, AIR LOC LEAK LOCATOR PLUG 150-300MM

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