Thermometric Sodium Filled Valve
Temperature Mapping Technology
Advanced Emission Control
Superior Engine Performance
Equipped With Temperature Mapping Technology

Varroc is the most preferred supplier of engine valves in India today, catering across all automotive and non-automotive applications. Also being a major global engine valve exporter, our division, including Durovalves, constitutes of two manufacturing plants and a state-of-the-art technical centre in India for customer support across the U.S, Europe, and Asia

  • Bi-metal, low-alloy steel with throughhardening has more than 55 HRC Min hardness These valves are sodium-filled
  • To control exhaust emissions from the engine in high-performance 4W
  • Thermometric valves are used to map theengine temperature of sodium-filled valves


  • Stem Diameter: 5.0 to 8.0mm
  • Head Diameter: 16.0 to 40.0mm
  • Overall Length: 75.0 to 120.0mm
  • Body Hardness: 55 HRC Min



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