The Cherne 6" End-of-Pipe Gripper (part #270-261) is a mechanical test plug for 6" sewer and DWV pipe — rated for 17 PSI / 40 ft. head pressure. It seats at the pipe end and won’t fall in, even in vertical installations. Fits 6" Schedule 40 and Schedule 80 PVC, ABS, and cast iron pipe (usage range 5.77"–6.08" ID). At 1.00 lb and 3-3/4" long, it handles the step up to commercial and municipal pipe sizes. Glass-reinforced ABS body with natural rubber O-ring — mechanical wing nut, no inflation needed.

Key Features

End-of-pipe design — seats at the pipe end and cannot fall in during testing
17 PSI / 40 ft. head pressure — meets code requirements for DWV and sewer air tests
Mechanical wing nut expansion — no inflation needed, no gauge to carry
Natural rubber O-ring — seals round and out-of-round pipes with excellent memory
Zinc-plated hardware — carriage bolt and extra-large wing nut resist rust and corrosion

Technical Specifications

Cherne Part Number	270-261
Nominal Pipe Size	6"
Usage Range (Pipe ID)	5.77–6.08"
Max Back Pressure	17 PSI
Max Head Pressure	40 ft.
Body Material	Glass-reinforced ABS plastic
Seal	Natural rubber O-ring
Hardware	Zinc-plated carriage bolt, extra-large zinc wing nut
Operating Temperature	0°F to 125°F
Length	3-3/4"
Weight	1.00 lb
Pipe Compatibility	Schedule 40 & 80 PVC, ABS, cast iron (no-hub, service weight, extra-heavy)

Applications

Commercial and municipal DWV testing on 6" sewer mains, stack testing in multi-story buildings, sewer air pressure tests, and temporary isolation during pipe repairs. The end-of-pipe design prevents the plug from sliding into the line during setup.

Questions on sizing or bulk pricing? Call (866) 514-3684 or email us — same-day shipping on in-stock items, tax-exempt purchasing for qualified accounts.

Cherne® 6" Gripper® Plug, 17 PSI - 40 ft.