Cherne ® 15" T-Handle Gripper ® Plug with 3/4" Bypass

The Cherne 15" T-Handle Gripper with Bypass (part #272-981) is a heavy-duty aluminum mechanical test plug with 3/4" NPT male bypass for large-diameter concrete and clay sewer pipe. Rated for 13 PSI / 30 ft. head pressure. Fits 15" concrete and clay pipe (usage range 14.8"–15.3" ID). At 24 lbs, this is a two-person handling job in the field. Chemical-resistant neoprene O-ring seals the rough interior surfaces of concrete and clay pipe.

Key Features

• T-handle mechanical expansion — high-torque sealing for concrete, clay, and SDR pipe
• 3/4" NPT M threaded bypass — controlled flow during testing without full shutoff
• 13 PSI / 30 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 and lighter than cast iron

Technical Specifications

Applications

Large-diameter municipal sewer testing on 15" concrete and clay mains, interceptor testing, storm sewer isolation, and construction acceptance tests. Note: the 15" model is compatible with concrete and clay pipe only — not SDR plastic pipe. For pneumatic plugging of pipe this size, consider the Cherne I-Series Muni-Ball 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.