LY-A4V Series Axial Piston Variable Displacement Pump-Device

   Composite Sheet(Including Product Series,Control Device etc.)

 SIZE     40 56 70 90 125 250
Control Decive Without control device OV
Hydraulic control,pilot pressure related HD
Hydraulic control,mechanical servo HW
Hydraulic control with servo device HK    
Electrical control,with prop.solenoids EL
Torque control MS    
Hydraulic control,speed related DA
Series Series 1.0 1.0    
Series 2.0 2.0        
Direction Of Rotation Clockwise R
Anti-clockwise L
Flange and Shaft End Flange,ISO 2-hole,DIN5480 Splined 0    
Flange,ISO 4-hole,DIN5480 Splined 1        
Auxiliary Pump & Through Drive With auxiliary pump,no through 0
Without auxiliary pump E    
With auxiliary pump,and through drive SAE A C
With auxiliary pump,and through drive SAE B G
With auxiliary pump,and through drive SAE B-B J
With auxiliary pump,and through drive SAE C M      
With auxiliary pump,and through drive.Requirement by user D
Filtration In the suction line of the auxiliary 1
In the pressure line of the auxiliary(boost)pump,connect Fe and Fa to fit the filter. 2
Filter fit directly in the pressure line of the auxiliary(boost)pump. 5
DAControlValve Without DA control valve,
  Control Device: OV HD HW HK EL   MS
0
With DA control valve,fixed setting
  Control Device:   HD HW HK EL DA
A
With DA control valve,mech.adjustable with control lever.
  Control Device:   HD HW HK EL DA
B
With DA control valve,fixed setting&hydr.inch valve,built-on.
  Control Device:           DA
C  
With DA control valve,mech.adjustable with control lever&hydr.inch valve,built-on
  Control Device:           DA
D  
With DA control valve,fixed setting&connection for rotary inch valve.
  Control Device:   HD HW HK EL DA
E  
ReliefValve Pilot operated,setting range 25~45Mpa,standard 1
Pilot operated,setting range 8~32MPa 2
Direct control, setting range 25~45MPa 3
PressureCut-off Without pressure cut-off 0
With pressure cut-off
Control Device:     HD HW HK EL DA
A

 Note:1)Please indiciate the DC voltage value:12V or 24V;
   2)The torque adjustable value is supplied separately when ordering,see the following operating principle for details.

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