Table Of Contents - Danfoss PVG 100 Technical Information

Technical Information
Contents
General Information
PVG 100 function
Safety in application
Technical data
Technical characteristics
Hydraulic systems
PVG 100 Proportional Valve Group
Acronyms.............................................................................................................................................................................................6
General ................................................................................................................................................................................................ 6
Standard, oil flow direction and setting of max. flow....................................................................................................6
Valve system................................................................................................................................................................................. 7
General features PVG 100, load independent flow control......................................................................................... 7
PVP - pump side module ......................................................................................................................................................... 7
PVB - basic module.................................................................................................................................................................... 8
Actuation module....................................................................................................................................................................... 8
Remote control units ................................................................................................................................................................ 9
PVG 100 with open center PVPF...............................................................................................................................................10
PVG 100 with closed center PVPV / PVPVP / PVPVM......................................................................................................... 12
PVG 100 closed center priority steering PVPVP module ........................................................................................... 12
PVG 100 closed center PVPVM module ........................................................................................................................... 12
PVG 100 basic modules PVB.......................................................................................................................................................12
PVG 100 tank modules ................................................................................................................................................................ 13
Load sensing controls...................................................................................................................................................................14
LS control with bleed orifice (do not use with PVG valves).......................................................................................14
Integral PC function................................................................................................................................................................. 14
Load sensing system characteristics:.................................................................................................................................15
Remote pressure compensated controls.............................................................................................................................. 15
Remote pressure compensated system characteristics:............................................................................................ 15
Typical applications for remote pressure compensated systems:..........................................................................16
PVG 100 main spool with pressure compensated control..............................................................................................16
Pressure compensated system characteristics.............................................................................................................. 17
Typical applications for pressure compensated systems...........................................................................................17
PVMR, friction detent....................................................................................................................................................................17
PVMF, mechanical float position lock.....................................................................................................................................17
PVBS, main mpools for flow control (standard).................................................................................................................. 18
PVBS, main spools for flow control (with linear characteristic)..................................................................................... 18
Building in safety............................................................................................................................................................................19
FMEA (Failure Mode and Effect Analysis) IEC EN 61508............................................................................................. 19
Hazard and risk analysis ISO 12100-1/14121.................................................................................................................. 19
Control system example..............................................................................................................................................................19
Typical wiring block diagram example.............................................................................................................................21
Example of fault monitoring.................................................................................................................................................23
PVG 32 - Mainly used in system with fixed displacement pumps..........................................................................23
PVG 100 - Alternative LS dump or pilot supply disconnect..................................................................................... 24
PVG 120 - Pump disconnect/block for variable pumps............................................................................................. 24
PVG 100 technical data................................................................................................................................................................ 25
PVH, hydraulic actuation............................................................................................................................................................. 25
PVM, mechanical actuation........................................................................................................................................................26
PVE, electrical actuation.............................................................................................................................................................. 26
PVEO ............................................................................................................................................................................................. 27
PVEA, PVEH and PVES..............................................................................................................................................................27
PVPF, pump side module............................................................................................................................................................ 28
Open center flow rating.............................................................................................................................................................. 28
Closed center flow rating............................................................................................................................................................ 28
PVB, basic module..........................................................................................................................................................................29
PVB with pressure compensation, closed center PVP...................................................................................................... 30
520L0720 • Rev EB • Jan 2014 3