The Cherne 12" Aluminum T-Handle Gripper (part #272-922) provides full pipe blockage on 12" underground sewer and storm pipe — no bypass, complete shutoff. Rated for 10 PSI / 23 ft. head pressure. Fits 12" concrete, clay, SDR 26, and SDR 35 pipe (usage range 11.7"–12.3" ID). The 16 lb aluminum plug with chemical-resistant neoprene O-ring handles long-term underground service.

Key Features

Full blockage — no bypass — complete pipe shutoff for isolation and testing
T-handle mechanical expansion — high-torque sealing for concrete, clay, and SDR pipe
10 PSI / 23 ft. head pressure — rated for sewer air pressure tests
Chemical-resistant neoprene O-ring — handles sewer gas and chemical exposure
Heavy-duty aluminum body — corrosion-resistant, lighter than cast iron

Technical Specifications

Cherne Part Number	272-922
Nominal Pipe Size	12"
Usage Range (Pipe ID)	11.7–12.3"
Bypass	None (full blockage)
Max Back Pressure	10 PSI
Max Head Pressure	23 ft.
Body Material	Heavy-duty aluminum
Seal	Chemical-resistant neoprene O-ring
Handle	Zinc-plated steel T-handle
Body Length	9.7"
Weight	16 lbs
Pipe Compatibility	Concrete, clay, SDR 26, SDR 35

Applications

Full shutoff on 12" sewer mains for air pressure testing, complete isolation for pipe repairs, construction blocking, and permanent shutoff applications. The 12" is the largest non-bypass model compatible with SDR pipe. For bypass capability, use part #272-973.

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.

Enchufe Cherne® de 12" con mango en T de aluminio (sin derivación)