Bosch Bosch 25e User Manual Page 4

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4/12 Bosch Rexroth AG Hydraulics 3DREP; 3DREPE RE 29184/06.11
Technical data (For applications outside these parameters, please consult us!)
general
Valvetype 3DREP 3DREPE
Weight kg 2.0 2.2
Installation position Any, preferably horizontal
Storage temperature range °C –20 to +80
Ambient temperature range °C –20 to +70 –20 to +50
hydraulic (measured with HLP 32, ϑ
oil
= 40 °C ± 5 °C)
Operating pressure range Port P bar 20 to 100 for pressure rating 16
bar 30 to 100 for pressure rating 25
bar 50 to 100 for pressure rating 45
Port T bar 0 to 30
Maximum flow l/min 15 (p = 50 bar)
Hydraulic fluid See table below
Hydraulic fluid temperature range
(at the valve working ports)
°C –20 to +80, preferably +40 to +50
Viscosityrange mm
2
/s 20 to 380, preferably 30 to 46
Maximum admissible degree of contamination of the hydraulic fluid
cleanliness class according to ISO 4406 (c)
Class 17/15/12
1)
Hysteresis
% ≤5
Repeatability
% ≤1
Response sensitivity
% ≤0.5
Range of inversion
% ≤1
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 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
Flame-resistant Water-containing HFC NBR ISO 12922
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 40 K higher than the maximum solenoid sur-
face temperature.
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 differ-
ential. The pressure peaks should not exceed the maxi-
mum operating pressures!
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