High-Performance Extreme Durability Tungsten Carbide Sealing Slider with Precision Engineered
1. Product Overview: The Long-Life Sealing Expert for Demanding Applications
Our Tungsten Carbide Seal Sliders and Valves are precision-engineered from high-grade tungsten carbide material using advanced powder metallurgy. Designed for high-pressure, high-frequency, highly abrasive, and corrosive media environments, they surpass the performance limits of traditional metals to provide unparalleled sealing stability and exceptionally long service life. They are critical core components in high-end fluid control systems.
2. Key Advantages: Why Choose Tungsten Carbide Seals?
Traditional stainless steel or tool steel seals are prone to wear and corrosion in harsh conditions, leading to leakage and frequent downtime. Our product offers a fundamental solution:
| Feature | Tungsten Carbide Seal Slider/Valve (Our Product) | Traditional Stainless/Tool Steel Seals | Core Value for You |
| Wear Resistance | Exceptional, WC hardness ≥ HRA 90 | Average, rapid wear in particle-laden media | Drastically extended life (often 10-100x), reduces maintenance & part replacement costs |
| Corrosion Resistance | Excellent, resistant to most acids, alkalis, and seawater | Limited, stainless steel is susceptible to pitting (e.g., from chlorides) | Suitable for a wider range of media, enhances system reliability and safety |
| Anti-Galling | Superior, low friction coefficient, prevents cold welding | Poor, prone to adhesive wear (galling) with similar metals | Smooth operation, prevents sudden failure, more reliable performance |
| Pressure Capacity | Extremely High, compressive strength >5000 MPa, minimal deformation | High, but elastic deformation under high pressure can compromise seal | Maintains perfect seal integrity even under ultra-high system pressure, zero leakage |
| Dimensional Stability | Outstanding, low thermal expansion, stable dimensions under temp fluctuations | Average, temperature changes can affect fit and clearance | Stable sealing clearance long-term, avoids leakage or seizing from thermal expansion/contraction |
| Economy | Higher initial investment | Lower initial investment | Excellent overall cost-effectiveness, long life and low maintenance offset initial cost |
3. Technical Specifications (Example)
- Material: YG6, YG8, YG15, and corrosion-resistant grades of Tungsten Carbide
- Hardness: ≥ HRA 90
- Density: ≥ 14.5 g/cm³
- Transverse Rupture Strength: ≥ 3000 MPa
- Compressive Strength: ≥ 5000 MPa
- Porosity: A02 B00 (To ASTM B276 standard, dense and non-porous)
- Surface Finishing: Can be supplied with mirror polish (Ra ≤ 0.2μm) or specific grind grades as required
- Working Pressure: Up to 50 MPa or higher (dependent on design)
- Working Temperature: -200°C ~ +800°C (dependent on cobalt content and application)
- Compatible Media: Water, oil, steam, slurries, particulates, most acid/alkali solutions, etc.
4. Typical Applications
This product is the ideal choice for the following industries and equipment, especially at critical points where severe wear and corrosion are problems:
- Petrochemical & Natural Gas: High-pressure control valves, metering pumps, drill pipe blowout preventer valve cores, catalyst control valves.
- Coal Chemical & Metallurgy: Sealing pairs for coal slurry and slag valves, high-temperature & high-pressure drop control valves.
- Power Generation: Boiler feed pump minimum flow valves, steam trap valves, flue gas desulfurization (FGD) system control valves.
- Industrial Manufacturing: Intensifiers and switching valves for ultra-high pressure waterjet cutting equipment.
- Aerospace & Marine: High-reliability valves in fuel control systems, hydraulic systems, and seawater systems.
5. Design & Service Support
- Custom Design: We offer fully customized shapes and sizes based on your valve housing structure and operational parameters (pressure, temperature, media).
- Material Pairing Advice: We provide recommendations and performance data for pairing with various counter materials (e.g., 316SS, 17-4PH, Stellite, ceramics) to optimize overall system performance.
- Surface Treatments: Special surface coatings or treatments can be applied upon request to further enhance specific properties.
Please provide drawings or samples for quotation and customization. Our engineering team is ready to offer professional technical support to ensure the product perfectly matches your application requirements.
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High-Performance Extreme Durability Tungsten Carbide Sealing Slider with Precision Engineered Images
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