Fisher™ D & DA Control Valves


Critical Service
Dirty Service, Erosive
Flow Characteristics
Equal Percentage
Carbon Steel
Operating Temperature
Standard Temperature
Pressure Class
ANSI CL150, ANSI CL300, ANSI CL600, ANSI CL1500, 3600 psi CWP, 6000 psi CWP
Process Connection Type
Threaded, Flanged, Socket Weld, RTJ
Shutoff Class
Class IV (FCI 70-2), Class V (FCI 70-2)
Valve Size
NPS 1, NPS 2
Valve Size Standard
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.


  • Massive guiding positively aligns the valve plug in the seat ring for high pressure drop applications. The screwed-in seat ring completely encloses the seat ring gasket.
  • Screwed bonnet/body joint allows repair or maintenance with a minimum of tools.
  • Valve is available with VTC (ceramic) trim for service in very erosive applications. The valve plug is also available with a tungsten carbide tip and the seat ring can be fitted with a full-bore tungsten carbide insert for erosive service.
  • Valve body and end connection constructions are available for API, as well as ASME standards.
  • NACE trim and bolting materials are standard for all applications. These materials comply with the requirements of NACE MR0175-2002.