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Metal V-Ring Seal

Metal V-Ring Seal
Typical Applications
Power & Propulsion
Gas & Steam Turbines Turbochargers
Fluid Control & Connection
Valves Swivels
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Product Description

The Metal V-Ring seal is a high-performance, resilient static sealing element designed with a V-shaped cross-section. Engineered for safety-critical applications, it represents a sophisticated evolution in metallic sealing that combines a compact profile with exceptional springback capabilities. These seals are primarily utilized in environments where extreme temperatures, high pressures, or aggressive chemical media render elastomeric solutions ineffective.

Sealing Mechanism: The V-Ring principle combines two key actions:
1. Viscoplastic Deformation: The soft outer lining deforms against the harder mating surface to fill microscopic imperfections.
2. Self-Energizing & Elasticity: Installed with the open side facing system pressure, hydrostatic force supplements the mechanical seating load. The V-geometry maximizes elastic recovery, maintaining contact during thermal transients.

This self-energizing design ensures that contact stress is maintained even during flange separation or pressure fluctuations, making Metal V-Rings a robust choice for critical static sealing.

Temp
Op. Temperature
-270°C ~ +750°C
Pressure
Work Pressure
Up to 1500 Bar
Media
Suitable Media
Oil, Water, Gas
Leakage
Leakage Rate
≤1E-10 Pa·m³/s
Material
Materials
Inconel / SS / Alloys
Specifications & Options
Outer Diameter Range
0.250" (6mm) to 120" (3048mm)
Cross Section Range
1/32" (0.9mm) to 1/2" (12.7mm)
Product Shapes
Round, Rectangular, Racetrack
(Customized shapes available)
Pressure Direction
System Pressure Energized
Open side faces pressure
Material Options
Alloy 718, X-750, 316/321 SS, Waspaloy
Plating & Coating
Silver, Nickel, Gold, Tin, Copper, PTFE
Qualified electroplating processing
Profile Feature
V-Shaped Cross-Section
High springback capability
Vacuum Performance
Up to 1×10⁻⁹ mbar
Warranty
3-year warranty period
Application Characteristics
Advanced V-Ring Design
Metal V-Rings are engineered to combine the advantages of a compact profile, lowest leakage rates, and high pressure capability. Their unique geometry ensures exceptional springback performance.
Reliable Performance
Good sealing performance with excellent resistance properties:
High Temp Resistance
High Pressure Resistance
Wear Resistance
Corrosion Resistance
Ideal Use Cases
  • Dynamic Applications: High-pressure environments requiring high spring back.
  • Rotary Applications: Equipment that experiences movement.
  • High-Load Applications: Capable of withstanding axial and radial loads.
Why Choose Sonkit Industry?
Sonkit specializes in metallic seals, serving customers from diverse industries worldwide, including Global Fortune 500 Companies.
Design & Engineering Support
  • Experienced research and technical support team
  • In-house test labs for high-quality control
  • Stable and reliable electroplating & customized heating process
  • Close co-operation with renowned universities and research institutes
  • Quick Response Time & Experience serving Top 500 Enterprises
Rigorous Quality Assurance
  • 100% weldment strength test
  • Static Pressure test up to 100 MPa
  • Helium leak detection report (≤1E-10 Pa·m³/s)
  • Coating thickness detection & Digital size inspection
  • Full inspection reports provided as required
Sonkit Metallic Seal Facility
Fast Commercial Response
We provide official quotations within 24 hours.
Email: johnny@sonkit.cn
WhatsApp / Call: +86 139 1719 2435

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