Table Of Contents - Danfoss PVG 120 Technical Information

Technical Information
Contents
Literature reference for PVG products
General Information
Function
PVG 120 sectional view
Safety in Application
Technical Data
Electrical Actuation
Technical Characteristics
Hydraulic system examples
Other operating conditions
Dimensions
Modules and Code Numbers
PVG 120 Proportional Valve Group
Valve System...................................................................................................................................................................................... 6
General Characteristics...................................................................................................................................................................6
Pump Side Module - PVP.............................................................................................................................................................. 6
Basic Module - PVB..........................................................................................................................................................................7
Actuation Modules...........................................................................................................................................................................7
Electronic Accessories.....................................................................................................................................................................7
Remote Controls Units....................................................................................................................................................................8
PVG 120 with PVP Open Center.................................................................................................................................................. 9
PVG 120 with PVP Closed Center................................................................................................................................................9
Building in safety............................................................................................................................................................................11
Control system examples...................................................................................................................................................... 12
PVG 120 technical data................................................................................................................................................................ 15
PVM, mechanical actuation........................................................................................................................................................15
PVH, hydraulic actuation............................................................................................................................................................. 15
PVE, electrical actuation ............................................................................................................................................................. 16
PVPE, electrical relief valve, normally open.......................................................................................................................... 16
PVEO, ON-OFF................................................................................................................................................................................. 18
PVEH, proportional high..............................................................................................................................................................18
PVEH, Inductive Transducer (LVDT - Linear Variable Differential Transformer)................................................ 20
PVEH, Pulse Width Modulation (Integrated)...................................................................................................................20
PVEH Fault Monitoring.................................................................................................................................................................20
PVEH, connection to fault monitoring output............................................................................................................... 21
General...............................................................................................................................................................................................22
PVP, pump side module.............................................................................................................................................................. 22
PVB, Basic Module..........................................................................................................................................................................23
PVLP, Shock Valve Characteristic (with Pressure Relief Valve).......................................................................................25
PVLP/PVLA, Suction Function....................................................................................................................................................26
Example of PVG 120 with variable displacement pump..................................................................................................27
Example of PVG 120 with fixed displacement pump........................................................................................................28
Hydraulic fluids for PVG............................................................................................................................................................... 29
Particle Content, Degree of Contamination.........................................................................................................................29
Filtering..............................................................................................................................................................................................29
Conversion Factors........................................................................................................................................................................30
PVG 120 dimensions..................................................................................................................................................................... 31
PVM, Lever Positions.....................................................................................................................................................................33
PVP and PVPV, Pump Side Modules ....................................................................................................................................... 34
PVP, Accessories for Open Center Pump Side Modules...................................................................................................34
PVB, Basic Modules........................................................................................................................................................................35
PVB, Accessories for Basic Modules ........................................................................................................................................35
PVLA, Suction Valve.......................................................................................................................................................................35
520L0356 • Rev JA • Mar 2014 3