| Colmonoy Overlaid Valve Seats | ||
| Size Range | 1/2" to 56" (Custom sizes available) | |
| Pressure Rating | PN10-PN420 (Class150-2500) | |
| Body Material | A105, A350 LF2, A182 F304, A182 F316, A182 F321, A182 F51, A182 F53, A182 F55, A182 F60, A182 F44, A564 630 (17-4PH) INCONEL625, INCONEL718, INCONEL825, Monel 400, Monel 500 etc |
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| Core Process/Coating | ENP,HCR,STL6, STL12, STL20,Cr3C2, WC-Co, WC-Cr3C2-Ni, TiC-NiMo, SiC, CrC,ZrO2, Al2O3, Cr2O3, ZnO, TiO, Al2O3-TiO2,STL1, STL6, STL12,Ni60, Ni55, Ni45 etc. | |
| Operating Temperature Range | ≤1200°C | |
| Parameter Category | Core Technical Parameters | Standards for Determining Advanced Technological Level |
| Machining Seat accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing Seat Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| Seatsconcentricity | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Other supplements | ≤ 0.4 μm | ≤ 0.1 μm (Mirror-Level) |
| Parameter Category | Core Technical Parameters | Criteria for High-End Technical Level |
| Coating Thickness Control | Thickness Uniformity | Thickness deviation at any spherical position ≤±8% (stricter than the general ±10% standard) |
| Thickness Tolerance Range | 100 - 300 μm (common range for wear-resistant layers); special ranges can be noted. No missed spraying for ultra-thin coatings (<10μm) | |
| Coating Adhesion Performance | Surface Hardness | HV 1300+ |
| Bond StrengthBond Strength | ≥80 MPa | |
| Interface PorosityInterface Porosity | <0.5% | |
| Coating Surface Quality | Surface Roughness (Ra) | ≤0.2 µm |
| Spraying Accuracy (Positioning & Coverage) | Spraying Positioning Accuracy | ±0.1mm |
A Surface Enhancement System Born to Combat Wear
Our overlay process is designed to build a durable and reliable line of defense on the substrate surface, with Hardfaced Colmonoy overlaid valve seats technology being one of our key specialties.
The Wear-Resistant Guardian for Mining and Heavy Industry
The application of Colmonoy overlaid valve seats for mining epitomizes their value. In mining, mineral processing, coal, and power industry ash handling systems, media often contain high concentrations of hard, solid particles. The Colmonoy alloy layer, leveraging the high hardness from its high chromium carbide content and the good impact toughness imparted by its nickel base, effectively resists the cutting and impact of sharp particles. This significantly extends service life in extremely abrasive environments and reduces unplanned downtime.
Comprehensive Performance Beyond Hardness
Unlike some brittle hard materials, Colmonoy alloys offer excellent impact resistance and crack propagation resistance alongside high hardness. This characteristic of being "hard yet tough" ensures the surface is less prone to chipping or spalling under mechanical stress from material impact or frequent valve cycling, maintaining the long-term, stable sealing integrity of the Overlaid valve Seat.
Flexible and Customizable Overlay Solutions
Colmonoy alloys come in various grades (e.g., Colmonoy 5, 6, 56), each with different emphases on hardness, wear resistance, and corrosion resistance. Our engineering team can customize the most suitable alloy grade and overlay process parameters based on your specific wear mechanism (pure abrasion, corrosion+wear), media characteristics, and operating temperature, achieving precise performance matching.
Why Choose TongBall's Colmonoy Overlaid Valve Seats?
Confronting Severe Wear Conditions
We specialize in solving severe wear failure problems that quickly defeat standard materials, offering proven hardfacing overlay solutions.
Significant Economic and Environmental Value
Compared to wholly replacing expensive wear-resistant alloy components, applying Colmonoy overlay to repair or strengthen the sealing surface of existing or new stainless steel valve bodies is more cost-effective and dramatically extends equipment service life, aligning with sustainable operation principles.
Exceptional Overlay Layer Quality
Utilizing automated overlay equipment, we ensure the alloy layer has low dilution, stable chemical composition, and strong bonding to the substrate, free from defects like porosity or slag inclusions, fully unleashing the material's potential.
One-Stop Service Support
We provide end-to-end technical support and services-from condition analysis and solution design to prototype testing, volume production, or on-site repair-acting as your reliable wear management partner.
When the rate of wear dictates production costs and rhythms, passive replacement gives way to proactive reinforcement. TongBall's Colmonoy Overlay Technology does more than just repair or manufacture a part; it provides a tough "industrial armor" for the valves in your critical processes that endure the harshest wear, enabling them to withstand day-after-day severe operational challenges.
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