General Information
PVG 128/256 Proportional Valve Group...................................................................................................................................5
PVG general description................................................................................................................................................................ 6
Features of the PVG 128/256 valve............................................................................................................................................ 6
PVPV Inlet Modules
Closed Center PPRV for PVE Activation and/or Mechanical..............................................................................................8
PPRV for PVH/PVHC Activation and/or Mechanical ..........................................................................................................10
PVB 128 Variant Overview
PVB 128 3-way Compensator.................................................................................................................................................... 13
PVB 128 3-way Compensator with LS A/B.............................................................................................................................16
PVB 128 3-way Compensator with LS A/B and PVLP.........................................................................................................19
PVB 256 Variant Overview
PVB 256 3-way Compensator.................................................................................................................................................... 25
PVB 256 3-way Compensator with LS A/B.............................................................................................................................28
PVB 256 3-way Compensator with LSA/B and PVLP..........................................................................................................31
PVB 256 3-way Compensator with LS A/B, PVLP and Turbo...........................................................................................35
PVLP Shock and PVLA Suction Valves
PVBS PVE Electric Activation and/or Mechanical
PVBS Variant Overview for PVB 128/256................................................................................................................................43
Electrical Flow Control PVBS closed neutral position for PVB 128/256......................................................................44
Electrical Flow Control PVBS Throttled Open Neutral Position for PVB 128/256....................................................46
Electrical Flow Control PVBS 3-way, 3-position for PVB 128/256................................................................................. 49
Electrical Flow Control PVBS with Float for PVB 128/256 (P→A→F)...........................................................................51
Hydraulic Activation and/or Mechanical
PVBS Variant Overview for PVB 128/256................................................................................................................................52
Hydraulic Flow Control PVBS closed neutral position for PVB 128/256.....................................................................53
Hydraulic Flow Control PVBS Throttled open neutral position for PVB 128/256....................................................55
Hydraulic Flow Control PVBS 3-way, 3-position for PVB 128/256................................................................................ 57
Hydraulic Flow Control PVBS with Float for PVB 128/256 (P→A→F)..........................................................................59
PVM Manual Activation
PVH Hydraulic Actuation
PVHC Electro-Hydraulic Actuator type
PVMD Cover Manual Actuation Only
PVE Electrical Actuator
PVE Series 7 Electrical Actuator.................................................................................................................................................67
PVE Variant Overview
PVE Variant Overview................................................................................................................................................................... 70
PVEO overview................................................................................................................................................................................71
PVEO Schematics and Dimensions.....................................................................................................................................72
PVEO Technical Data............................................................................................................................................................... 73
PVEO Reaction Times...............................................................................................................................................................74
PVEO Variants for PVG.............................................................................................................................................................74
PVEH....................................................................................................................................................................................................76
PVEH Schematics and Dimensions.....................................................................................................................................77
PVEH Technical Data................................................................................................................................................................78
PVEH Reaction Times...............................................................................................................................................................79
PVEH Hysteresis and Ripple.................................................................................................................................................. 79
PVEH Variants for PVG.............................................................................................................................................................80
Connector Overview
Connector Overview.....................................................................................................................................................................81
Fault Monitoring and Fault Reaction
Generic Fault Reaction.................................................................................................................................................................83
Technical Information
PVG 128/256 Technical Information
Contents
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Danfoss | January 2018 BC00000380en-US0402 | 3