TongBall designs and manufactures precision shaft bushings (sleeves) and flat spacers for valves, pumps, and mechanical systems. Products include wear-resistant shaft sleeves, bearing positioning spacers, and custom flange interfaces—all engineered for perfect compatibility and performance integration with your equipment.
With comprehensive customization capabilities—from critical dimensions to specialized materials and surface treatments—TongBall helps customers optimize shaft design, enhance system reliability, and streamline supply chains. TongBall delivers complete component solutions for demanding fields including nuclear power, deep-sea oil & gas, specialty chemicals, and high-pressure fluid systems.
| Size Range | Customized per drawings (I.D.: 5–200mm; O.D.: 10–250mm; Length: 5–150mm) —wider ranges available upon request |
| System Pressure Compatibility | Compatible with PN10–PN420 (Class150–4500) valve and equipment systems |
| Materials | Stainless Steels (304, 316, 316L); Titanium Alloys; Nickel-based Alloys (INCONEL 625, INCOLOY 800); Duplex Stainless Steels (F51, F53); Bearing Steels (420); and more |
| Manufacturing Process | Precision CNC Turning; Forging (optional) |
| Surface Finish | Ra ≤0.8μm (standard); Ra ≤0.2μm (mirror finish available) |
| Surface Coatings | Wear-resistant: HVOF, Hard Chrome;
Self-lubricating: PTFE |
| Operating Temperature | -196°C to +650°C (material-dependent) |
