Tungsten Carbide Seal Rings
Tungsten Carbide Seal Ring Applications
Tungsten carbide sealing rings are commonly used where conventional metallic seal components may experience rapid abrasive wear.
- Mechanical seals for industrial pumps
- Slurry and process pumps
- Chemical processing equipment
- Oil and gas equipment
- Mining and mineral-processing equipment
- Compressors and rotating equipment
- Water-treatment systems
- Mixers and agitators
For applications involving abrasive particles, pressure fluctuations or corrosive media, the carbide grade and mating material should be selected according to the actual service conditions rather than hardness alone.
WC-Co vs. WC-Ni Seal Rings
Two common binder systems used in cemented tungsten carbide seal rings are WC-Co and WC-Ni.
WC-Co is widely used where wear resistance and mechanical strength are primary requirements. It is commonly considered for abrasive mechanical-seal and pump applications.
WC-Ni is often selected when improved corrosion resistance is required. The final choice, however, should consider the actual process fluid, concentration, temperature and mating-face material.
Langsun Carbide can manufacture seal rings using different tungsten carbide grades according to application requirements and customer specifications.
Custom Tungsten Carbide Seal Ring Manufacturing
Langsun Carbide supports customized seal-ring production based on customer drawings, samples and application requirements.
Custom manufacturing can include:
- Outer and inner diameter requirements
- Ring thickness and geometry
- Grooves, steps and special profiles
- WC-Co or WC-Ni material selection
- Dimensional tolerance requirements
- Surface grinding and finishing requirements
- Application-specific seal-ring designs
Langsun Carbide evaluates tungsten carbide grades and manufacturing requirements based on specific applications—rather than relying solely on general material specifications—to customize tungsten carbide seal rings for customers that meet their expected operating conditions.
Quality Control for Tungsten Carbide Seal Rings
For precision sealing components, material quality and dimensional consistency both matter.
Langsun Carbide's quality-control capabilities include dimensional inspection, hardness testing, density inspection, coercivity inspection, magnetic saturation inspection and metallographic examination.
These inspection methods help evaluate both the finished dimensions and the condition of the cemented carbide material before shipment.