Fisher D and DA Control Valves

Ideal for throttling or on/off control of liquids or gases which are gritty, sticky or tend to build up on internal valve parts

Fisher D and D3 Control Valves

Widely used in oil and gas production industries, these single-port, high-pressure valves are especially useful for either throttling or on/off control of liquids or gases which are gritty, sticky, or tend to build-up on internal valve parts.

The DA valve is also useful in angle piping or other applications where a self-draining valve is needed.


Features include:

  • The 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 minimum tools.
  • The 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.
  • The 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 and comply with the requirements of NACE MR0175-2002.
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