proportional valve group - danfoss sensing directional valve, to an advanced electrically controlled

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  • Technical Information

    Proportional Valve Group PVG-EX 32

    www.danfoss.com

    http://www.danfoss.com

  • Revision history Table of revisions

    Date Changed Rev

    June 2019 New EU Declaration of Conformity 0103

    May 2019 Updated EU Declaration of Conformity, and minor changes 0102

    May 2019 First edition 0101

    Technical Information PVG-EX 32 Proportional Valve Group

    2 | © Danfoss | June 2019 BC290860493426en-000103

  • PVG-EX Introduction Product certification........................................................................................................................................................................5 Warnings..............................................................................................................................................................................................5 Nameplate description...................................................................................................................................................................6 Description of the EX code h version........................................................................................................................................ 7 EPL/Equipment category...............................................................................................................................................................7

    General information General description......................................................................................................................................................................... 8 Features................................................................................................................................................................................................8 Inlets......................................................................................................................................................................................................8 Work section housing..................................................................................................................................................................... 8 Actuation methods.......................................................................................................................................................................... 9 Sectional view................................................................................................................................................................................. 10 PVG-EX modules overview......................................................................................................................................................... 11

    PVP Inlet Modules Open Center PVP............................................................................................................................................................................13 Open Center PVP with PPRV...................................................................................................................................................... 16 Open center PVP with HPCO and PVE PPRV.........................................................................................................................19 Closed Center PVP......................................................................................................................................................................... 22 Closed Center PVP with PPRV....................................................................................................................................................24 Closed center PVPV....................................................................................................................................................................... 26 Closed center PVPV with PPRV..................................................................................................................................................27 Closed center PVPVM with PPRV..............................................................................................................................................29 Open/Closed center PVP with PPRV........................................................................................................................................31 Open/Closed center PVPM......................................................................................................................................................... 34

    PVP Inlet Module Accessories PVPC without Check Valve..........................................................................................................................................................36 PVPC with Check Valve................................................................................................................................................................ 37

    PVB Basic Modules Uncompensated PVB....................................................................................................................................................................39 Uncompensated PVB with load drop check valve............................................................................................................. 42 Uncompensated PVBZ with POC..............................................................................................................................................45 Compensated PVB......................................................................................................................................................................... 46 Dampened Compensated PVB..................................................................................................................................................49 Dampened compensated PVB with LS A/B.......................................................................................................................... 52 Compensated PVB with LS A/B................................................................................................................................................. 55 Compensated high flow PVB..................................................................................................................................................... 59 Compensated high flow PVB with LS A/B............................................................................................................................. 62 Compensated PVBZ with POC...................................................................................................................................................66 Compensated high flow PVBZ with POC...............................................................................................................................68 Compensated high flow PVBZ with POC and manifold interface ............................................................................... 70

    PVB Basic Modules Accessories PVLP Shock and Anti-Cavitation Valve...................................................................................................................................72 PVLA Suction Valve........................................................................................................................................................................74

    PVBS Main Spools PVBS fluid flow characteristics—Theoretical performance............................................................................................ 76

    PVBS Main Spools Part Numbers Flow Control Spools—Closed Neutral Position.................................................................................................................. 81 Flow Control Spools—Closed Neutral Position with A-float..........................................................................................85 Flow Control Spools—Closed Neutral Position with B-float.......................................................................................... 86 Flow Control Spools—Closed Neutral Position with A-float for PVMF...................................................................... 87 Flow Control Spools—Closed Neutral Position with B-float for PVMF.......................................................................87 Flow Control Spools—Closed Neutral Position for PVMR...............................................................................................88 Flow Control Spools—Open/Closed Neutral Position..................................................................................................... 89 Flow Control Spools—Open/Closed A and Closed B Position...................................................................................... 89

    Technical Information PVG-EX 32 Proportional Valve Group

    Contents

    © Danfoss | June 2019 BC290860493426en-000103 | 3

  • Flow Control Spools—Throttled Open Neutral Position.................................................................................................91 Flow Control Spools—Throttled Open Neutral Position for PVMR............................................................................. 95 Flow Control Spools—Throttled A to T Neutral Position................................................................................................ 96 Flow Control Spools—Throttled B to T Neutral Position.................................................................................................97 Linear Flow Control Spools—Closed Neutral Position.....................................................................................................98 Linear Flow Control Spools—Throttled Open Neutral Position.....................................

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