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Fisher-P-Yarway AT-38/48

Fisher™ Yarway™ AT-38/48 Standard Duty A.T.-Temp Desuperheater

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Product Description

The Fisher Yarway 38/48 Standard duty A.T.-Temp Desuperheater is specifically developed for use on medium / low pressure steam applications.

Specifications

Critical Service
Steam Condition
Valve Size
NPS 1 / DN 25, NPS 1-1/2 / DN 40, NPS 2 / DN 50, NPS 3 / DN 80, NPS 4 / DN 100
Pressure Class
ASME
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

Features

  • The fabricated construction makes it easily adaptable to meet various boiler codes and material specifications.
  • The unit can also be used as a liquid into gas injector for which high grade alloy such as stainless steel is often used.
  • The valve stem is rolled to obtain a finish of Ra < 0.1 µ. This highly finished surface is then nitrided to give a hardness of > 1000 Vickers. The combination of these processes improves sealing tightness, while reducing packing friction.
  • Piston rings are specially hardened and subsequently nitrided and are provided with a special gas tight slot.
  • These rings offer excellent running properties and enable controllable Cv (Kv) values as low as 0.005 (0.0043).

Documents & Drawings