Product Description Our ball-style expansion plugs feature a high-precision mechanical expansion design to ensure superior leak-proof integrity. By driving a stainless steel ball into the sleeve, the component expands to create a permanent...
The steel-ball expansion sealing plug uses a steel ball as the expansion drive element: when pressed in, it forces the plug body to expand radially and press tight against the hole wall, forming metal-grade sealing up to IP68. Its simple structure has no elastomer to age, making it suitable for long-term, maintenance-free plugging of process holes.
| Material | Carbon steel / stainless steel (with steel ball) |
| Surface treatment | Zinc plating / passivation (optional) |
| Standard | Per customer drawing / company standard; Sealing rating IP68 (IEC 60529) |
| Application | Hole plugging for long-life, no-rubber-ageing requirements |
| Seal principle | Ball-driven expansion interference seal |
| Pressure rating | High-pressure process-hole closure |
| Hole range | Custom bore diameters on request |
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