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Yarway Narvik Model 33/43 Probe Style, Fixed Nozzle
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 33/43 Probe Style, Fixed Nozzle


Critical Service
Steam Condition
Flow Characteristics
Equal percentage, Linear, Modified Equal Percentage, Special Characterization
Alloy, 316L Stainless Steel, 316 Stainless Steel, 304 Stainless Steel
Operating Temperature
High Temperature
Pressure Class
Shutoff Class
Class V (FCI 70-2)
Valve Size
NPS 4 / DN 100, NPS 1 / DN 25, NPS 1-1/2 / DN 40, NPS 3 / DN 80, NPS 2 / DN 50
Valve Size Standard
Valve Type
Angle Valve


  • Fabricated construction
  • Variable nozzle type
  • Wide range of Kv (Cv) capacities available
  • Special nozzle combinations available
  • Pressure class and connections: ASME B16.34 class 150 to 1500, EN 1092-1 class PN 25 to 250, Buttweld connections to ASME B16.25 or DIN 2559
  • Materials: ASTM SA 105 / SA 106 Gr.B or P250GH / P235 GH TC2, ASTM SA 182 F11 / SA 335 P11 or 1.7335, Other materials upon request