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Cherne pneumatic test ball plug 270067 rubber textured surface ring chain tether

Cherne

Cherne 270067 Pneumatic Test Ball Plug 6 in

SKU CH-TBV4-WR0AV MPN 270067

Pneumatic rubber test ball with a tyre-valve inflator, chain tether and a 5.25 in deflated diameter that seals pipes from 5.44 in to 6.25 in inside diameter

  • Product typeDrain Components
  • Main materialHAWA
  • Pneumatic inflation seals 6 in pipes fast
  • Deflated 5.25 in diameter eases insertion into 5.44 in minimum ID
  • Textured rubber surface resists slipping under pressure
  • Tire-valve connection allows standard air-tool inflation
  • Integrated ring-and-chain tether prevents loss in line

6 in Pneumatic Test Ball Plug

The Cherne 270067 is a pneumatic test ball plug designed for 6 in pipe testing. It fits pipe inside diameters from 5.44 in up to 6.25 in. The textured rubber body provides grip inside the pipe. A tire valve air connection allows inflation with standard equipment. A tether ring and chain secure the plug during use.

Upgrade from manual or mechanical plugs

This pneumatic plug replaces hand-tightened expansion plugs or mechanical test balls that require tools to seal. The jump is worth it when crews need faster setup and consistent pressure sealing on 6 in lines. Inflation through a tire valve cuts installation time compared with bolt-down alternatives. The tether ring reduces the risk of losing the plug in the line.

Suits plumbing contractors testing 6 in drains

It suits contractors who pressure-test 6 in drain lines and want a reusable pneumatic seal. Teams needing bypass flow through the plug or a different pipe size should look elsewhere. The plug has no bypass connection and covers only the stated diameter range. Buyers who want more size options or integrated bypass capability need a different model.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $68.99
Pricier than about 70% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameCherne Industries
Model name270067
Product typeDrain Components
Size & build
Main materialHAWA

Questions about this item

What is the deflated diameter of the 270067 test ball plug so I know if it fits through my cleanout?

The deflated diameter is 5.25 in, allowing it to pass through openings larger than that size before inflation.

How do I inflate this pneumatic plug and what fitting does the tire valve need?

Connect a standard air chuck to the male tire valve; inflate until the plug seals against the pipe wall at 5.44 in minimum inside diameter.

When should I replace the rubber body on this Cherne plug?

Replace the plug if the rubber shows cracking, cuts, or permanent deformation that prevents it from holding pressure at the 6.25 in maximum pipe inside diameter.

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