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Yarway Narvik Model 25 Ven-Temp Desuperheater
Narvik Model 25 Ven-Temp Desuperheater
Yarway covers requirements for Desuperheaters, pneumatic actuators, strainers with a wide range of models, sizes and materials to satisfy all the specifications of the power, pulp and paper industry and process gas applications
Yarway Narvik Model 25 Ven-Temp Desuperheater


Critical Service
Steam Condition
Flow Characteristics
304 Stainless Steel, 316 Stainless Steel, 316L Stainless Steel, Alloy, Carbon Steel
Operating Temperature
High Temperature
Pressure Class
Shutoff Class
Class V (FCI 70-2)
Valve Size
NPS 10 / DN 250, NPS 1-1/2 / DN 40, NPS 2 / DN 50, NPS 3, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200
Valve Size Standard
Valve Type
Engineered Product


  • Forged construction
  • Low pressure loss over the desuperheater station
  • Water pressures marginally above steam pressure
  • Venturi nozzle type
  • Wide range of Cv (Kv) capacities available
  • Pressure class and connections: ASME B16.5 class 150 to 2500, EN 1092-1 class PN 25 to 400, Buttweld connections to ASME B16.25 or DIN 2559
  • Materials: ASTM SA105, SA182 F11, SA182 F22 or SA182 F91, P250GH, 1.7335 or 1.7380, Other materials upon request


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