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Estimated delivery: June 8 – June 10
The Cherne 6" Iron Grip Bypass Plug (part #268-068) is a cast iron mechanical test plug with 1/2" NPT bypass for 6" sewer and storm pipe. Rated for 4.3 PSI / 10 ft. head pressure. Fits 6" pipe (usage range 5.57"–6.12" ID). The 5.6 lb cast iron body at 12.75" long provides heavy-duty durability for municipal and commercial applications. Natural rubber O-ring with large wing nut — no tools required.
Key Features
- Cast iron construction — heavy-duty durability for repeated field use
- 1/2" NPT threaded bypass — controlled flow-through during testing
- 4.3 PSI / 10 ft. head pressure — rated for low-pressure water and air tests
- Natural rubber O-ring — seals round and out-of-round pipes
- Large wing nut design — easy, tool-free installation and superior sealing
Technical Specifications
| Cherne Part Number | 268-068 |
| Nominal Pipe Size | 6" |
| Usage Range (Pipe ID) | 5.57–6.12" |
| Bypass Size | 1/2" NPT |
| Max Back Pressure | 4.3 PSI |
| Max Head Pressure | 10 ft. |
| Body Material | Cast iron |
| Seal | Natural rubber O-ring |
| Hardware | Large wing nut (tool-free) |
| Body Length | 12.75" |
| Weight | 5.6 lbs |
| Pipe Compatibility | Round and out-of-round sewer and drain pipe |
Applications
Low-pressure bypass plugging on 6" sewer and storm lines, temporary blocking during pipe repairs, and flow control applications. Note: the 6" Iron Grip is rated for 4.3 PSI max back pressure — for higher pressure requirements, consider the Cherne T-Handle Gripper with Bypass (17 PSI at 6").
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.


