企业特殊行业经营资质信息公示
点击图片查看原图Size 6, 10
Component series 2X
Maximum operating pressure 315 bar
Maximum flow 75 l/min
Features:
Direct operated proportional directional valve without electrical position feedback, with external electronics
Control of the direction and magnitude of a flow
Operation by means of proportional solenoids with central thread and detachable coil
For subplate mounting: Porting pattern according to ISO 4401
Spring-centered control spool
TECHNICAL DATA
general
Type
4WRA
Size
610
Installation position
any, preferably horizontal
Ambient temperature range
°C
-20 … +70
Storage temperature range
-20 … +80
Weight
kg
26.6
hydraulic
Size
610
Maximum operating pressure
bar
315
Maximum operating pressure
Port P
bar
315
Port T
210
Anschluss A
315
Port B
315
Maximum flow
l/min
4275
with double flow
l/min
80140
Nominal flow
7
15
2630
60
Hydraulic fluid 1)
see table
Hydraulic fluid temperature range
°C
-20 … +80
preferably
+40 … +50
Viscosity range
mm²/s
20 … 380
preferably
mm²/s
30 … 46
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2)
Class 20/18/15 according to ISO 4406 (c)
Hysteresis
%
≤ 5
Range of inversion
≤ 1
Response sensitivity
≤ 0.51)Additional hydraulic fluids upon request2)The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.
Hydraulic fluid
Classification
Suitable sealing materials
Standards
Mineral oils and related hydrocarbons
HL, HLP
NBR / FKM
DIN 51524
important information on hydraulic fluids:
For more information and data on the use of other hydraulic fluids please contact us.
electrical
Size
610
Voltage type
Direct voltage
Maximum solenoid current
A
2.5
Maximum current consumption
of the amplifier
A
1.8
of the amplifier (impulse current)
3
Solenoid coil resistance
Cold value at 20 °C
Ω
2
Maximum hot value
3
Actuated time
100
Maximum coil temperature 1)
+ 150
Power supply
VDC
24
Supply voltage range
V
21 … 351)Due to the surface temperatures occurring at the solenoid coils, the European standards ISO 13732-1 and EN 982 need to be adhered to.
