tungsten carbide Flat Valve Seat
Product Description
Tungsten Carbide Flat Valve Seat is a durable sealing component used in industrial valves. It features a precision-ground flat sealing surface that forms a reliable sealing pair with valve trim components such as a ball, disc, or plug, ensuring tight shutoff and stable flow control.
Manufactured from tungsten carbide, it provides excellent hardness, wear resistance, and corrosion resistance. This makes it ideal for valves operating in high-pressure, abrasive, and corrosive environments such as oil and gas, petrochemical, and chemical industries.
As a customized tungsten carbide valve seat factory, our customized products are not only related to the size and geometric shape of the products. Meanwhile, we can innovate in materials. Such as adding layers or adding anti-corrosion metal raw materials. In addition to strict control of raw material quality, in precision machining production lines, the surface roughness and tolerances can be tightly controlled to ensure sealing and throttling effects with the gaps between specific mating parts.
Advantages of tungsten carbide Flat Valve Seat
Specification of tungsten carbide Flat Valve Seat
| Product name | Tungsten Carbide Flat Valve Seat |
| Main Materials | Tungsten Carbide–cobalt (WC-Co) or tungsten carbide–nickel (WC-Ni / Ni-Cr) based cemented carbide |
| Hardness | HRA 88 – 93 (adjustable based on cobalt content). |
| Density | Density 14.8 – 15.1 g/cm³. |
| TRS (N/mm²) | 2000-3200 |
| Surface | Finished, Coating or Blank |
| Grade | YG6/YG8/YG15 or as required |
| Application | Petroleum, natural gas, chemical and other fields |
Typical Applications
Oil & Gas Industry: Used in high-pressure valves such as choke valves, safety valves, ball valves, and plug valves for drilling, wellhead equipment, and pipeline systems.
Chemical and Petrochemical Processing: Suitable for control valves and shut-off valves handling corrosive chemicals, acids, and particle-laden fluids.
Power Generation and Metallurgy: Applied in ash handling valves, slag discharge valves, and high-temperature steam valve systems where severe wear and high pressure occur.
Powder and Abrasive Material Handling Systems: Widely used in industries such as polysilicon production, mining, and catalyst conveying systems, where valves must resist abrasive particles and dust.
Why Choose Our Tungsten Carbide Flat Valve Seat?
Longer Service Life & Reduced Maintenance
Outperforms traditional steel or soft-seated valves, lowering downtime and replacement costs. Customers benefit from fewer maintenance cycles and reduced operational interruptions.
Reliable Sealing in Harsh Environments
Flat sealing surfaces prevent leakage even in high-pressure, abrasive, or corrosive conditions. This ensures stable operation and protects downstream systems from backflow or material loss.
Proven Durability Across Multiple Industries
Ideal for oil & gas, chemical, power generation, metallurgy, and powder handling systems. Its performance in these demanding applications demonstrates consistent reliability and value.
Precision Manufacturing for Consistent Performance
Our advanced production ensures tight tolerances and reliable operation under extreme conditions. High-precision finishing enables compatibility with a wide range of valve plugs and discs, even under vacuum or high differential pressure.
Get Your Customized Solution
Our team and engineers are ready to provide the most cost-efficient solution for you.