Pilot Operated Proportional Valve D660 Series

Sep 23, 2024

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  • Rated Flow: 30 to 1,500 l/min (8 to 395 gpm) at each throttle edge with ∆p of 5 bar (75 psi)
  • Maximum Flow: 3,600 l/min (950 gpm), ISO Size 10
  • Maximum Working Pressure: 350 bar (5,000 psi)


Features of the Pilot Operated Proportional Valve:

  • Optimized valve body design for high rated flow, with either ServoJet or nozzle flap pilot stage
  • Two-stage or three-stage designs available based on required dynamics
  • Improved pilot stage for superior dynamic response
  • Various power failure protection options for optimal application matching


SpecificationValue
Hydraulic Parameters
Rated Flow30 to 1,500 l/min (8 to 395 gpm) [at ∆p of 5 bar (75 psi)]
Maximum Flow3,600 l/min (950 gpm) (ISO Size 10)
Maximum Working Pressure350 bar (5,000 psi)
Installation TypeISO 4401 Size 05, 07, 08, and 10 (NG 10, 16, 25, and 32)
100% Step Response Time10 to 50 ms [at 210 bar (3,000 psi)]
Electrical Parameters
Supply Voltage24 VDC (18 to 32 VDC)
Rated Signal Options+/-10 V, +/-10 mA, and 4-20 mA


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