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Vanessa Series 30,000 Triple Offset Valves
Vanessa Series 30,000 triple offset valves feature a robust integral-to-body valve seat and optimized seating angles, that enables the Series 30,000 to handle isolation and process control through multiple functionalities.
Vanessa Series 30,000 Triple Offset Valves


Body Design
Long Pattern, Short Pattern, Top Entry, Welded Body
Carbon Steel, Duplex, Stainless Steel
Operating Temperature
Standard Temperature,Cryogenic
Pressure Class
Seat/Seal Type
Metal-to-Metal, Cryogenic
Process Connection Type
150RF, 300RF, 600RF, 900RF
Shutoff Class
API 598, Class IV (FCI 70-3), Class V (FCI 70-2), Class VI (FCI 70-2), Zero Leakage
API 609, ASME B16.34
Emergency Shutoff Valves, Switching Valve
Valve Size
NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 20 / DN 500, NPS 24 / DN 600, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200
Valve Size Standard
Valve Type
Triple Offset Valve


  • Robust and fire-resistant all-metal construction.
  • Stellite grade 21 seat overlays provide excellent durability.
  • Resilient metal seal ring ensures perfect seating force distribution around precision-machined seat circumference.
  • Easily replaceable multi-layered duplex and graphite seal rings.
  • Robust one-piece shaft designed to transfer/maintain torque efficiently.
  • Two-piece packing gland and graphite packing minimize external emission risk.
  • Key secured shaft-to-disc connection for maximum shaft integrity.
  • Heavy duty bearings withstand high pressure loads and wear.
  • Braided graphite bearing protectors prevent dirt intrusion, ensuring constant running torque and valve operability.
  • Internal and external shaft extrusion risk handling complies with international standards.
  • Flange spot facing ensures bolting nut and washer planarity, increasing joint reliability and safety.
  • Open/closed disc references and external disc position indicator simplify installation/removal procedures to API 609.