![background image](http://html.mh-extra.com/html/danfoss/pvg-120/pvg-120_technical-information_507215003.webp)
Literature reference for PVG products
General Information
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
Function
PVG 120 with PVP Open Center.................................................................................................................................................. 9
PVG 120 with PVP Closed Center................................................................................................................................................9
PVG 120 sectional view
Safety in Application
Building in safety............................................................................................................................................................................11
Control system examples...................................................................................................................................................... 12
Technical Data
PVG 120 technical data................................................................................................................................................................ 15
PVM, mechanical actuation........................................................................................................................................................15
PVH, hydraulic actuation.............................................................................................................................................................15
PVE, electrical actuation ............................................................................................................................................................. 16
PVPE, electrical relief valve, normally open..........................................................................................................................16
Electrical Actuation
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
Technical Characteristics
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
Hydraulic system examples
Example of PVG 120 with variable displacement pump..................................................................................................27
Example of PVG 120 with fixed displacement pump........................................................................................................28
Other operating conditions
Hydraulic fluids for PVG............................................................................................................................................................... 29
Particle Content, Degree of Contamination.........................................................................................................................29
Filtering..............................................................................................................................................................................................29
Conversion Factors........................................................................................................................................................................30
Dimensions
PVG 120 dimensions..................................................................................................................................................................... 31
PVM, Lever Positions.....................................................................................................................................................................33
Modules and Code Numbers
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
Technical Information
PVG 120 Proportional Valve Group
Contents
520L0356 • Rev JA • Mar 2014
3
Содержание PVG 120
Страница 45: ...Technical Information PVG 120 Proportional Valve Group Order Specification 520L0356 Rev JA Mar 2014 45 ...
Страница 46: ...Technical Information PVG 120 Proportional Valve Group 46 520L0356 Rev JA Mar 2014 ...
Страница 47: ...Technical Information PVG 120 Proportional Valve Group 520L0356 Rev JA Mar 2014 47 ...