Cherne® 4" Hub-Fit Gripper® Plug
Estimated delivery Jul 28 – Jul 30· freight quoted separately
- Volume / custom config? Call (866) 514-3684 or request a quote
Description
The Cherne 4" Hub-Fit Gripper (part #270-548) is a mechanical test plug for 4" hub fittings and bell-end pipe — the most common hub size in residential plumbing. Rated for 13 PSI / 30 ft. head pressure. Fits 4" hub and bell connections (usage range 4.41"–4.53" ID). Yellow high-visibility body stands out inside the pipe. Glass-reinforced ABS with natural rubber O-ring and galvanized hardware — wing nut tightening, no tools or inflation needed.
Key Features
- Hub-fit design — sized for hub fittings and bell-end pipe connections
- Yellow high-visibility — easy to locate inside the pipe
- 13 PSI / 30 ft. head pressure — rated for DWV testing
- Mechanical wing nut expansion — no inflation, no tools required
- Natural rubber O-ring — reliable seal on round and out-of-round surfaces
Applications
DWV pressure testing at 4" hub joints, building inspections on bell-end connections, stack testing through 4" hub fittings, and any scenario where a standard gripper plug is undersized for the hub diameter. The most frequently ordered Hub-Fit size for residential plumbing testing.
Questions on sizing or bulk pricing? Call (866) 514-3684 or email us — we ship within the USA and welcome tax-exempt purchasing for qualified accounts.
Specifications
| Type | Mechanical Test Plugs |
|---|---|
| SKU | 270548 |
| Availability | Available to order |
| Seal | Natural rubber O-ring |
| Color | Yellow |
| Weight | 11.9 oz |
| Hardware | Galvanized carriage bolt, extra-large zinc wing nut |
| Usage Range | 4.41–4.53" |
| Body Material | Glass-reinforced ABS plastic |
| Max Back Pressure | 13 PSI |
| Max Head Pressure | 30 ft. |
| Nominal Pipe Size | 4" |
| Pipe Compatibility | Hub fittings, bell-end pipe |
| Operating Temperature | 0°F to 125°F |