The sealing plating (or called valve gate) are used in special fluid transporting control equipment of pipeline, chemical and mine.

Characteristics of Hard-Sealed Plate Valve

• Base Material: 4130, 17-4, Inconel718, etc.
• Coating Material: WC-10Co-4Cr
• Coating Thickness: 0.12–0.20 mm
• Coating Hardness: 1200–1400 HV0.3
• Bonding Strength: ≥80 MPa
• Porosity: ≤0.6%
• Mirror Surface Finish: ≤0.05 μm Ra
• Working Pressure: ~170 MPa
• Flatness: ≤3 interference bands

Technical Features: High hardness, low porosity, wear resistance, corrosion resistance, high pressure tolerance, superior surface smoothness, and extended service life.