Regenerative and Hybrid Pilot Operated Directional Control Valve - Series D*1*WR/Z | Product Series

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Regenerative and Hybrid Pilot Operated Directional Control Valve - Series D*1*WR/Z Regenerative and Hybrid Pilot Operated Directional Control Valve - Series D*1*WR/Z Regenerative and Hybrid Pilot Operated Directional Control Valve - Series D*1*WR/Z

Regenerative and Hybrid Pilot Operated Directional Control Valve - Series D*1*WR/Z

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The regenerative and hybrid pilot operated directional control valves series D31NWR, D*1VWR, D*1VWZ allow energy saving circuits with differential cylinders.

Technical Specifications

  • Operation Type: Pilot
  • Maximum Flow Rate: 170, 300, 700, 2000 L/min
  • Spool Position: 3 positions, spring offset in position 0, operated in position a or b
  • Input Voltage: 24 VDC
  • Connection Type: Connector as per EN 175301-803
  • Mounting Type: Subplate mounting
  • Actuation Type: Solenoid
  • Product Series: Directional control valve
  • Bore Diameter: 11, 20, 32, 50 mm
  • Weight: (depending on size) 8.1 to 68.0 kg
  • Maximum Operating Pressure: 350 bar
  • Maximum Operating Temperature: 60 °C
  • Minimum Operating Temperature: -20 °C
  • For Fluid Type: Hydraulic oil according to DIN 51524, Water glycol
  • Function: 3-Way
  • Seal Material: NBR, FPM
  • Body Material: Cast iron
Safety Warning

Full Product Description

Parker's series of regenerative and hybrid pilot operated directional control valves D*1*WR/Z makes energy savings with valve-controlled linear cylinder actuators easier than ever before. The innovative integrated regenerative function in the A-line enables efficient circuits with differential cylinders. The hybrid version allows additionally to switch freely at any time for maximum energy savings without restricting the operating range.

The series of regenerative and hybrid valves is available in four sizes:
• D31NWR size NG10 (hybrid function with adaptor plate)
• D41VWR, D41VWZ size NG16
• D91VWR, D91VWZ size NG25
• D111VWR, D111VWZ size NG32

Markets:
• Industrial

Features/Benefits:
• Proven robust design that represents our long-term experience in hydraulics
• High functional limits – low forces resulting in safe operation also at high flow rates
• Low pressure drop – resulting in low energy losses in operation
• Innovative A-regeneration - provides increased energy efficiency by  reducing the oil requirement for partially-loaded differential cylinders
• Switchable hybrid version - can switch between regenerative mode (for high velocity) and standard mode (for high force)
• Short delivery time - no warehousing necessary

Applications:
• Suitable for general hydraulic applications
• General presses

Info regenerative and hybrid function:
In applications with differential cylinders it is common to feed the return flow from the rod side of the cylinder back to the piston side to achieve higher velocity or lower pump flow. Parker differentiates between regeneration to the pressure level of the pump (P-regeneration) or directly to the piston area respectively the A-port of the valve (A-regeneration). The Parker regenerative valves use the advantageous A-regeneration.

The hybrid version with an integrated solenoid valve can switch between regenerative mode and standard mode. The regenerative mode is used for maximum velocity, the standard mode for maximum force.

Related Documents

Literature and Reference Materials
CATALOGUE - Hydraulic Valves Industrial Standard, Offline Version--MSG11-3500/UK
CATALOGUE - Hydraulic Valves Industrial Standard, Online Version--MSG11-3500/UK
CATALOGUE - Regenerative and Hybrid Pilot Operated Directional Control Valves Series D31NWR, D*1VWR, D*1VWZ
GENERAL INSTRUCTIONS - for Industrial Hydraulic Valves
Compliance, Certifications & Safety
CERTIFICATE - DIN ISO 9001:2015 Certificate ISDE
CERTIFICATE - Position Paper ISDE 2006/42/EC and EN ISO 13849
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Products Port Connection Spool Code Pilot Inlet / Drain Locations Seal Material Solenoid Option Additional Options
D41VWR04C2NJW NG16 / CETOP 07 R04 External/external NBR With manual override na
D91VWZ04C5NJW NG25 / CETOP 08 Z04 External/internal NBR With manual override na
D41VWR04C4NJW NG16 / CETOP 07 R04 Internal/internal NBR With manual override na
D91VWZ04C2NJW NG25 / CETOP 08 Z04 External/external NBR With manual override na
D91VWZ01C4NJW3A NG25 / CETOP 08 Z01 Internal/internal NBR With manual override Pilot choke, meter-out
D91VWZ01C4VJW3A NG25 / CETOP 08 Z01 Internal/internal FPM With manual override Pilot choke, meter-out
D111VWR01C4NJW NG32 / CETOP 10 R01 Internal/internal NBR With manual override na
D111VWZ01C1NJW NG32 / CETOP 10 Z01 Internal/external NBR With manual override na
D111VWZ01C2NJW NG32 / CETOP 10 Z01 External/external NBR With manual override na
D111VWZ01C4NJW NG32 / CETOP 10 Z01 Internal/internal NBR With manual override na
D111VWZ01C5NJW3A NG32 / CETOP 10 Z01 External/internal NBR With manual override Pilot choke, meter-out
D111VWZ82C4NJW NG32 / CETOP 10 Z82 Internal/internal NBR With manual override na
D31NWR01C4NJW NG10 / CETOP 05 R01 Internal/internal NBR With manual override na
D31NWR04C4NJW NG10 / CETOP 05 R04 Internal/internal NBR With manual override na
D31NWR04C5NJW3A NG10 / CETOP 05 R04 External/internal NBR With manual override Pilot choke, meter-out
D41VWR01C1NJW NG16 / CETOP 07 R01 Internal/external NBR With manual override na
D41VWR01C2NJW NG16 / CETOP 07 R01 External/external NBR With manual override na
D41VWR01C4NJW NG16 / CETOP 07 R01 Internal/internal NBR With manual override na
D41VWR01C4NJW3A NG16 / CETOP 07 R01 Internal/internal NBR With manual override Pilot choke, meter-out
D41VWZ01C4NJW NG16 / CETOP 07 Z01 Internal/internal NBR With manual override na
D41VWZ01C4NJW3A NG16 / CETOP 07 Z01 Internal/internal NBR With manual override Pilot choke, meter-out
D41VWZ04C1NJW NG16 / CETOP 07 Z04 Internal/external NBR With manual override na
D41VWZ04C4NJW NG16 / CETOP 07 Z04 Internal/internal NBR With manual override na
D41VWZ81C5NJW NG16 / CETOP 07 Z81 External/internal NBR With manual override na
D41VWZ82C2NJW NG16 / CETOP 07 Z82 External/external NBR With manual override na
D91VWR01C1NJW NG25 / CETOP 08 R01 Internal/external NBR With manual override na
D91VWR01C4NJW3E NG25 / CETOP 08 R01 Internal/internal NBR With manual override Stroke adjustment side A
D91VWR01C4NJW3F NG25 / CETOP 08 R01 Internal/internal NBR With manual override Stroke adjustment side A and B
D91VWR04C2NJW NG25 / CETOP 08 R04 External/external NBR With manual override na
D91VWR04C4NJW NG25 / CETOP 08 R04 Internal/internal NBR With manual override na
D91VWR04C4NJW3F NG25 / CETOP 08 R04 Internal/internal NBR With manual override Stroke adjustment side A and B
D91VWZ01C1NJW NG25 / CETOP 08 Z01 Internal/external NBR With manual override na
D91VWZ01C1NJW3A NG25 / CETOP 08 Z01 Internal/external NBR With manual override Pilot choke, meter-out
D91VWZ01C2NJW NG25 / CETOP 08 Z01 External/external NBR With manual override na
D91VWZ01C4NJW NG25 / CETOP 08 Z01 Internal/internal NBR With manual override na
D91VWZ04C1NJW NG25 / CETOP 08 Z04 Internal/external NBR With manual override na
D91VWZ04C4NJW NG25 / CETOP 08 Z04 Internal/internal NBR With manual override na
D91VWZ82C5NJW NG25 / CETOP 08 Z82 External/internal NBR With manual override na
D111VWR04C4NJW NG32 / CETOP 10 R04 Internal/internal NBR With manual override na
D111VWZ01C5NJW NG32 / CETOP 10 Z01 External/internal NBR With manual override na
D91VWZ01C1NJW3F NG25 / CETOP 08 Z01 Internal/external NBR With manual override Stroke adjustment side A and B
D91VWZ04C4NJWT NG25 / CETOP 08 Z04 Internal/internal NBR Without manual override na
D41VWR01C4NJWT NG16 / CETOP 07 R01 Internal/internal NBR Without manual override na
D41VWR04C1NJW NG16 / CETOP 07 R04 Internal/external NBR With manual override na
D41VWR82C4NJW NG16 / CETOP 07 R82 Internal/internal NBR With manual override na
D91VWR04C1NJW NG25 / CETOP 08 R04 Internal/external NBR With manual override na
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