Bosch Rexroth Z4WE Serie Manual De Instrucciones página 8

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Bosch Rexroth AG Hydraulics
Technical data (For applications outside these parameters, please consult us!)
general
Weight
– Valve with one solenoid
– Valve with two solenoids
Installation position
Ambient temperature range
MTTF
values according to EN ISO 13849
d
Admissible shock and vibration loads
hydraulic
Maximum operating pressure – Port P, A, B
Maximum flow
Hydraulic fluid
Hydraulic fluid temperature range
Viscosity range
Maximum permitted degree of contamination of the hydraulic
fluid - cleanliness class according to ISO 4406 (c)
Hydraulic fluid
Mineral oils and related hydrocarbons
– Insoluble in water
Environmentally
compatible
– Soluble in water
– Water-containing
Important information on hydraulic fluids!
– For more information and data on the use of other hydrau-
lic fluids refer to data sheet 90220 or contact us!
– There may be limitations regarding the technical valve
data (temperature, pressure range, service life, mainte-
nance intervals, etc.)!
– The flash point of the process and operating medium used
must be 15 K higher than the maximum solenoid sur-
face temperature.
1)
The cleanliness classes specified for the components must
be adhered to in hydraulic systems. Effective filtration pre-
vents faults and at the same time increases the service life
of the components.
For selecting the filters, see www.boschrexroth.com/filter.
kg 1.2
kg 1.6
°C –30 to +50 (NBR seals)
Years 150 (for further details see data sheet 08012)
bar 315
– Port T
bar 210 with direct voltage
l/min 50
°C –30 to +80 (NBR seals)
mm
2
/s 2.8 to 500
Classification
HL, HLP, HLPD, HVLP, HVLPD NBR, FKM
HETG
HEES
HEPG
HFC
Any
–20 to +70 (FKM seals)
See data sheet 08012
160 with alternating voltage
See table below
–20 to +80 (FKM seals)
Class 20/18/15
1)
Suitable sealing materials Standards
NBR, FKM
FKM
FKM
NBR
– Flame-resistant – water-containing: Maximum pressure
differential per control edge 175 bar; otherwise, increased
cavitation erosion! Tank pre-loading < 1 bar or > 20 % of
the pressure differential. The pressure peaks should not
exceed the maximum operating pressures!
– Environmentally compatible: When using environmen-
tally compatible hydraulic fluids that are simultaneously
zinc-solving, zinc may accumulate in the medium (700 mg
zinc per pole tube).
Z4WE RE 23193/07.11
DIN 51524
ISO 15380
ISO 15380
ISO 12922
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