Pressure and Flow (p/Q) Control Valves

Direct-Operated Pressure and Flow (p/Q) Control Servo-proportional Valves

D638/D639 Series for Analog Signals

  • Rated Flow 5 to 100 l/min (1.3 to 26.3 gpm) @ ∆p 35 bar (500 psi) per land
  • Maximum Flow 180 l/min (47 gpm) size 05
  • Maximum Operating Pressure 350 bar (5,000 psi)
  • Mounting Pattern ISO 4401 Size 03 and 05

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D638/D639 Series with Fieldbus Interface

  • Rated Flow 5 to 100 l/min (1.3 to 26.3 gpm) @ ∆p 35 bar (500 psi) per land
  • Maximum Flow 180 l/min (47 gpm) size 05
  • Maximum Operating Pressure 350 bar (5,000 psi)
  • Mounting Pattern ISO 4401 Size 03 and 05

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Pilot-Operated Pressure and Flow (p/Q) Control Servo-proportional Valves

D941 Series for Analog Signals

  • Rated Flow 8 to 80 l/min (2.1 to 21 gpm) @ ∆p 5 bar (75 psi) per land
  • Maximum Flow 180 l/min (47 gpm)
  • Maximum Operating Pressure 350 bar (5,000 psi)
  • Mounting Pattern ISO 4401 Size 05

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D941 Series with Fieldbus Interface

  • Rated Flow 8 to 80 l/min (2.1 to 21 gpm) @ ∆p 5 bar (75 psi) per land
  • Maximum Flow 180 l/min (47 gpm)
  • Maximum Operating Pressure 350 bar (5,000 psi)
  • Mounting Pattern ISO 4401 Size 05

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