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DIAPHRAGM SHAFT SEAL -3" (B720-004-360)
Part No: B720-004-360
Pack of 1
B720-004-360: DIAPHRAGM SHAFT SEAL -3" (B720-004-360) – A heavy 3-inch capacity dynamic wiper lip seal that rides along the main central drive shaft to isolate process fluid away from the air motor block.
B720-004-360: DIAPHRAGM SHAFT SEAL -3" (B720-004-360) – A heavy 3-inch capacity dynamic wiper lip seal that rides along the main central drive shaft to isolate process fluid away from the air motor block.
Key Features
- Massive 3-inch dynamic internal lip sealing profile built to withstand high longitudinal friction strains.
- Blocks pressurized drive air or fluids from crossing over between separate internal pump chambers.
- Low breakout torque compound formulation ensures immediate, unhindered pump startup at lower pressures.
- Outstanding thermal stability threshold prevents material breakdown from friction-generated heat cycles.
- Uniform geometric thickness creates a tight, continuous seal around the traveling primary drive shaft perimeter.
Technical Specifications
| Manufacturer / Brand | Blagdon Pump |
| Component Classification | Dynamic Connecting Rod Shaft Heavy Lip Seal |
| Pump Fitment Compatibility | 3" Large-bore high-capacity internal frame block tracks |
| Primary Material | Heavy-duty Nitrile (Buna-N) with structural garter spring |
| Function | Stops pressurized dynamic motive air from crossing over into atmospheric venting lines along the moving 3" rod |
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