Tungsten Carbide Conical Valve Seat
Product Description
Tungsten Carbide Conical Valve Seat is a core valve component made from high-hardness tungsten carbide material, featuring a conical sealing surface that precisely mates with conical valve elements such as balls, discs, or needle plugs. The conical design enables line-contact sealing, providing reliable fluid control and zero leakage under high-pressure conditions.
Made from hard alloy materials (such as WC-Co or WC-Ni), the valve seat offers exceptional hardness and wear resistance, significantly extending service life and reducing maintenance and replacement frequency. In demanding applications, such as downhole choke valves in the oil & gas industry or control valves in chemical processing—the tungsten carbide conical seat can withstand corrosive acids, alkaline fluids, and abrasive particle-laden media, ensuring stable operation in high-pressure, severe wear, and corrosive environments.
Features of Tungsten Carbide Conical Valve Seat
Specification of Tungsten Carbide Conical Valve Seat
| Product name | Tungsten Carbide Conical Valve Seat |
| Hardness | HRA 88-94 |
| Compressive Strength | ≥3000 MPa |
| Density | 14.0~15.0 g/cm³ |
| Acid and alkali resistance | Resistant to pH 2-12 media, WC Ni grade has better acid resistance (such as 98% H ₂ SO ₄ resistance) |
| Grade | YG6, YG8, WC-10Ni or as required |
Typical Applications
Oil & Gas Industry: Used in downhole safety valves, choke valves, flow beans, and high-pressure pipeline ball or plug valves, providing reliable sealing under high pressure and abrasive conditions.
Chemical & Coal Chemical Industries: Ideal for black/ash water valves, lock hopper valves, slag drain valves, and wear-resistant control or shut-off valves in slurry, catalyst, or particle-handling systems, where corrosion and abrasion are common.
Polysilicon & Silicon Materials Industry: Applied in critical valves such as discharge valves and switch valves for silicon powder handling, effectively resisting abrasive silicon dust and ensuring long-term reliability.
Power Generation & Metallurgy Industry: Suitable for ash and slag handling valves in power plants and wear-resistant valves in pulverized coal injection or metallurgical systems, maintaining performance in high-temperature, high-pressure, and particle-laden environments.
Other Severe Industrial Applications: Any fluid control system involving high pressure, high temperature, severe wear, or strong corrosion can benefit from the durability and precision of tungsten carbide conical valve seats.
Why Choose Our Tungsten Carbide Conical Valve Seat?
Decades of Industry Experience
We have extensive experience in manufacturing tungsten carbide valve components, producing high-precision conical seats for oil & gas, chemical, power generation, metallurgy, and particle-handling systems. Our expertise ensures each seat meets strict industrial standards.
Proven Material Expertise
Our engineers select the optimal tungsten carbide alloys (WC-Co, WC-Ni, WC-Ni-Cr) for each application, balancing hardness, wear resistance, corrosion resistance, and toughness to ensure maximum performance under high pressure, high temperature, and abrasive or corrosive conditions.
Advanced Manufacturing and Quality Control
Using state-of-the-art powder metallurgy, CNC machining, and precision grinding, we maintain tight tolerances and exceptional surface finishes. Every seat undergoes rigorous inspection to guarantee reliable, zero-leakage sealing and long-term durability.
Customized Solutions for Extreme Conditions
We design conical valve seats tailored to client-specific requirements, including high-pressure valves, abrasive media handling, and corrosive chemical systems. Our ability to optimize geometry, tolerances, and material choice ensures optimal valve performance and service life.
Get Your Customized Solution
Our team and engineers are ready to provide the most cost-efficient solution for you.