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Product Specifications:
| Item | Mechanical Expansion Plug |
| Bypass Connection Size | 1/2" |
| Bypass Connection Type | NPT |
| Bypass Thread Gender | Male |
| For Maximum Pipe Inside Diameter | 4.06" |
| For Minimum Pipe Inside Diameter | 3 3/5" |
| For Pipe Size | 4" |
| For Use On | Center Hole Drains Overflow |
| Handle Material | Cast Iron |
| Head Type | Wing Nut |
| Included Water Fill Port/hose | Not Included |
| Maximum Back Pressure (air) | 8.7 psi |
| Maximum Back Pressure (water) | 20 Ft. Of Head |
| Plate Material | Cast Iron |
| Plug Seal Location | Inside Pipe |
| Plug Seal Material | Natural Rubber |
Shipping Info:
| Ship weight (kg) | 1.51 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 32.39 |
| Ship width (cm) | 33.66 |
| Country of Origin | CN |
Product Variants
| Product | Model | For Pipe Size | For Minimum Pipe Inside Diameter | For Maximum Pipe Inside Diameter | Maximum Back Pressure (air) | Maximum Back Pressure (water) | Bypass Connection Size | Nominal Size | Height | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
268038 | 3" | 2.82" | 3 3/25" | 11 psi | 25 Ft. Of Head | 1/2" | 3" | 12 3/4" | €31.97 | |
![]() |
268128 | 12" | 11 14/25" | 12 1/5" | 2.6 psi | 6 Ft. Of Head | 1" | 12" | 19 1/2" | €311.01 | |
![]() |
268028 | 2" | 1.94" | 2 3/25" | 13 psi | 30 Ft. Of Head | 3/8" | 2" | 9 3/4" | €25.97 | |
![]() |
268068 | 6" | 5.57" | 6 3/25" | 4.3 psi | 10 Ft. Of Head Of Head | 1/2" | 6" | 12 3/4" | €68.17 |
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CHERNE 268048 Mechanical Expansion Plug, 4 Inch Nominal Size, 3.97 Inch Min. Dia., 4 Inch Max. Dia.
€39.01 /unit



