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Fisher™ Yarway™ 25 VenTemp Desuperheater
Fisher Yarway 25 VenTemp Desuperheater
The Fisher Yarway 25 VenTemp Desuperheater is designed primarily for use in low capacity superheated steam systems where the load is fairly constant.
The design provides a simple, cost conscious but effective method of steam temperature control.
Fisher™ Yarway™ 25 VenTemp 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
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this 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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