Curtiss-Wright Dyna-Flo Valves and Actuators

Industrial Valve offers a comprehensive selection of new Dyna-Flo control valves and actuators to meet demanding high-pressure and high-temperature applications. Our inventory features sliding-stem valves, rotary valves, and pneumatic actuators, alongside advanced positioners and controllers. To ensure seamless integration, our expert field services team provides professional installation, testing, and ongoing maintenance, optimizing the performance and reliability of your industrial processing system.

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DFLP Linear Pneumatic Piston Actuator

  • DFLP linear double-acting pneumatic piston actuators are designed for high force applications. When combined with a positioner or a two-position control signal, DFLP actuators can be used for throttling or on/off control. DFLP actuators will always require a volume tank in order to hold a fail position.
Product Specs

DFR Rotary Spring & Diaphragm Pneumatic Actuator

  • Model DFR rotary spring and diaphragm actuators are large diaphragm area actuators that allow for low-pressure operation. The spring provides fail safe positioning for a control valve on loss of pneumatic supply pressure. DFR actuators can be used to automate control valves for throttling or on/off control of liquids or gases.
Product Specs

DFC & DFO Linear Spring & Diaphragm Actuators

  • Model DFC (Fail Closed) and DFO (Fail Open) linear spring and diaphragm actuators are large diaphragm area actuators that allow for low-pressure operation. The spring provides fail safe positioning for a control valve on loss of pneumatic supply pressure. Both DFC and DFO actuators can be used to automate control valves for throttling or on/off control of liquids or gases.
Product Specs

590 Flangeless Full Ball Control Valve

  • Flangeless full ball control valves suited for high flow, low pressure drop services.
  • Model 590 full ball style control valves are used in all kinds of demanding applications, oil and gas production and chemical process industries. It is also suited to high flow, low pressure drop service. The 590 series is used in both throttling and on/off control of liquids or gases. The straight through unrestricted flow path provides higher capacity than globe style valves. A splined shaft provides accurate control in throttling operations and flexibility in actuation options.
Product Specs

570 Flangeless Segmented Ball Valve

  • Flangeless segmented ball control valves suited for high flow, low pressure drop services.
  • Model 570 segmented ball style control valves are used in all kinds of demanding applications, oil and gas production and chemical process industries. It is also well suited for high flow, low pressure drop service. The 570 is used in both throttling and on/off control of liquids or gases. The straight through unrestricted flow path provides higher capacity than globe style valves. A splined shaft provides accurate control in throttling operations and flexibility in actuation options.
Product Specs

DF270 Integral Valve & Actuator

  • Heavy duty, compact control valve.
  • DF270 integral control valves are rugged and designed for demanding tight-space applications. The compact design makes installation and maintenance more convenient than traditional valve and actuator assemblies while offering the same functionality.
Product Specs

DF234 Integral Valve & Actuator

  • Compact dump valve for tough fluid applications that require easy serviceability.
  • DF234 integral control valves are primarily designed for on/off control of fluids or gasses and may also be adapted for throttle control. These tough, compact valves feature a low-profile, lightweight design that fits into tight locations and makes for easy handling. The DF234 is well suited for high pressure fluid or gas applications up to 2,250 PSIG (155 Bar).
Product Specs

DF100 Integral Valve & Actuator

  • Compact dump valve for tough fluid applications.
  • DF100 integral control valves are primarily designed for on/off fluid control and may also be adapted for throttle control. These tough, compact valves are ideal for use in oil and gas separators, treater, scrubbers or as dump valves. The DF100 is well suited for high pressure fluid applications up to 2,250 PSIG (155 Bar).
Product Specs

320 Series

  • 320 AxFlo Trim is a high resistance, multi-stage, axial flow path trim to combat erosive service.
  • 320 AxFlo Anti-Cavitation trim is a heavy duty dirty service trim option designed for entrained particulate and high pressure drop applications. AxFlo trim offers multi-stage protection against cavitation and erosion. You can expect enhanced trim life when using AxFlo trim because pressure gets distributed over the length of the valve plug across multiple STAGES. Each STAGE is not exposed to the full pressure differential, and on properly sized 320 valves, the amount of pressure drop per STAGE is controlled to prevent cavitation.
Product Specs

380 Series

  • Cage guided control valves designed for high pressure applications.
  • 380 Series control valves are cage guided control valves with balanced plugs. Model 380 control valves are capable of Class V shutoff at process temperatures below 450°F (232°C). Model 381 control valves are well suited for general applications that do not require tight shutoff. These valves are designed for high pressure applications and are used in oil and gas, chemical/ petro-chemical, power generation, water distribution and/or treatment, and general industries.
Product Specs

DF400 Series Rotary Plug Control Valve

  • The Model DF400 is a heavy-duty eccentric plug control valve (sometimes referred to as a rotary globe valve) combined with a powerful spring-and-diaphragm actuator. This valve-actuator combo is used in all kinds of demanding applications, including oil and gas production, chemical process industries and severe service environments. The self-aligning eccentric plug design and straight through flow pattern of the DF400 control valve provides tight shutoff while also allowing for higher flow capacities than other valves. The exclusive low-profile actuator provides reduced deadband and hysteresis through a combination of low-friction design with a robust splined shaft connection.
Product Specs

370 Series

  • Larger version of the 360 Series, which is our most versatile, general purpose control valve series.
  • 370 Series control valves are heavy-duty globe style control valves designed to be larger versions of our 360 Series control valves. These valves are used in a variety of demanding environments, including oil and gas, chemical/ petro-chemical, power generation, water distribution and/or treatment, and general industries. These valves are balanced, cage guided, single port valves that can be used for either throttling or on/off control of liquids or gasses.
Product Specs

350 Series

  • A severe service control valve with larger internal cavities for noise and cavitation control.
  • 350 Series control valves are heavy-duty globe style valves featuring expanded end connections and large internal cavities. Designed to keep valve outlet velocities within practical limits, these high-capacity valves are well suited for service applications where oversized piping is used to limit flow velocities. These control valves are cage guided, single port valves that can be used for both throttling or on/off process control. Functioning especially well for noise reduction requirements, 350 Series valves offer superior performance.
Product Specs

DF2000

  • Heavy duty control valve used in a variety of demanding low-flow applications for either throttling or on/off control.
  • DF2000 control valves are post guided, single port valves used for high pressure/high temperature lower flow applications. These heavy-duty globe and angle style valves perfect for general service or severe service applications.
Product Specs

390 Series

  • A high pressure, severe service control valve used in various demanding applications.
  • 390 Series control valves are heavy-duty globe style valves used in a variety of demanding applications, including oil and gas, chemical/ petro-chemical, power generation, water distribution and/or treatment, and general industries.
Product Specs

360 Series

  • General Purpose, Highly Configurable Control Valve
  • 360 Series control valves are heavy-duty globe and angle style valves perfect for general service or severe service applications. These valves are used in a variety of demanding environments, including oil and gas, chemical/ petro-chemical, power generation, water distribution and/or treatment, and general industries. The standard actuator for 360 Series valves is a Dyna-Flo Model DFC (fail closed) or DFO (fail open) linear actuator. These heavy-duty actuators are spring and diaphragm style, and can be used for throttling or on-off service, with or without a valve positioner.
Product Specs
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We have a large inventory of OEM SRVs and PRVs, as well as reconditioned valves and parts for discontinued valve models. Not sure what size you need? Just share your process data with us, and we’ll tell you which valves are compatible with your system.