Zirconia Blind-Hole Plunger
Zirconia blind-hole plungers feature a sealed-end (blind) hollow structure, designed to reduce weight while retaining high strength and wear resistance. This type of plunger is especially suitable for applications that demand both precision and reduced mass, such as in precision pumps, dosing devices, or compact fluid systems.
- Reduced weight with hollow design
- High strength and wear resistance
- Excellent corrosion and chemical resistance
- Precision machining and dimensional stability
- Custom design for specific system requirements
Zirconia Blind-Hole Plunger
Zirconia blind-hole plunger is engineered for demanding fluid handling and pump applications. Made from high-purity zirconia, it features excellent hardness, chemical resistance, and wear properties. The blind hole design enhances fluid control and allows for integration with precision drive systems. It withstands high pressures, abrasive media, and thermal cycling without degradation. Ideal for medical devices, fuel injection systems, and chemical processing, this plunger ensures consistent performance over time. Its smooth surface finish reduces friction and contamination risk. The zirconia plunger with blind hole is a trusted choice for high-precision, high-performance industrial fluid systems.
Technical Specifications
| Parameter | Typical Range |
| Length Range | ≤300mm |
| Outer Diameter | ≤150mm |
| Surface Roughness | Ra0.02-Ra0.2 |
| Minimum Wall Thickness | 0.1mm |
| Roundness | 0.002mm |
| Concentricity | 0.002mm |
| Straightness | 0.004mm |
| Perpendicularity | 0.005mm |
Please refer to our Processing Capability Table for the full range of processing capability.
Advantages of Zirconia Blind-Hole Plunger
- High Fracture Toughness and Strength: Because zirconia has excellent mechanical properties, the plunger resists cracking and impact even under heavy cyclic loads.
- Superior Wear and Abrasion Resistance: As a result, it delivers long service life in high-friction or high-pressure applications.
- Blind-Hole Design for Weight Reduction and Mounting: Therefore, it offers improved performance in compact assemblies and enables easier fixture integration.
- Chemical and Thermal Stability: In addition, it remains inert and dimensionally stable in corrosive environments and at elevated temperatures.
- Low Friction and Smooth Surface Finish: Consequently, it minimizes wear on mating components and ensures consistent, efficient motion.
- Precision Machinability: Thanks to modern ceramic processing, it can be produced with tight tolerances and complex geometries.
Applications of Zirconia Blind-Hole Plunger
- Medical Pumps and Dispensing Devices: For example, it is used in fluid-control systems where precision and chemical resistance are essential.
- Semiconductor Processing Equipment: Because of its cleanliness and wear resistance, it functions reliably in wafer handling or vacuum systems.
- Chemical and Pharmaceutical Systems: In addition, it is ideal for metering or injection pumps handling reactive or high-purity fluids.
- Precision Machinery and Automation: Used in actuators or feed systems where compact, durable plungers are required.
- Analytical Instruments and Lab Equipment: Serves as a critical component in dosing and fluid sampling systems exposed to aggressive media.
- High-Performance Inkjet and Printing Equipment: Lastly, it ensures consistent ink flow and resists mechanical fatigue in continuous-use environments.
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