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Estimated delivery: June 8 – June 10
The Cherne 18" Aluminum T-Handle Gripper (part #272-888) is the largest mechanical T-Handle Gripper available — a 30 lb aluminum plug for full shutoff on 18" concrete and clay sewer pipe. Rated for 8.7 PSI / 20 ft. head pressure. Fits 18" concrete and clay pipe only (usage range 17.7"–18.3" ID). Chemical-resistant neoprene O-ring and zinc-plated steel T-handle provide reliable sealing in large-bore underground pipe.
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
- 8.7 PSI / 20 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 | 272-888 |
| Nominal Pipe Size | 18" |
| Usage Range (Pipe ID) | 17.7–18.3" |
| Bypass | None (full blockage) |
| Max Back Pressure | 8.7 PSI |
| Max Head Pressure | 20 ft. |
| Body Material | Heavy-duty aluminum |
| Seal | Chemical-resistant neoprene O-ring |
| Handle | Zinc-plated steel T-handle |
| Body Length | 9.7" |
| Weight | 30 lbs |
| Pipe Compatibility | Concrete, clay |
Applications
Full shutoff on 18" concrete and clay trunk sewer lines, complete isolation for major pipe repairs, and construction blocking. At 30 lbs, this is a two-person plug. For bypass capability, use part #272-998. For larger pipe or higher pressures, transition to the Cherne I-Series pneumatic line.
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.


