Rexroth FESE 25CA-31/315LK0B1M-1 Proportional directional cartridge valve

Description

We offer new, original  pilot-operated 2-way proportional throttle valve for block installation for the continuous control of flows. The valve consists of four main assemblies:
Cover with connection surface for pilot oil connections
Main valve with orifice, spool
,Pilot control valve nwith proportional solenoid,
Integrated electronicswith position transducer.
General Information:
Brand: Rexroth
Model: Fese
Serial Number: R900702016
MPN:
25CA-31/315LK0B1M-1
Country of Manufacture: Germany
Technical Information:
general
Type
FESE
Size
63
Component series
3X
Installation position
Any
Weight
kg
21.2
Storage temperature range
°C
-20 … +80
Ambient temperature range
°C
-20 … +50
hydraulic
Type
FESE
Size
63
Maximum operating pressure
bar
315
Maximum operating pressure
Anschluss A
bar
315
Port B
bar
315
Maximum pilot pressure
Port X
bar
315
Return flow pressure
Port Y
depressurized to the tank
Minimum inlet pressure
in port A (flow direction A → B)
bar
20
in port B (flow direction B → A)
bar
25
Pilot oil volume for switching process seat position
0 → 100 %
cm³
52
Maximum pilot oil flow
Port Y
l/min
17
Flow direction
Internal pilot oil supply A → B
Connect A to X
Internal pilot oil supply B → A
Connect B to X
External pilot oil supply A → B
Pressure at X > pressure in A
External pilot oil supply B → A
Pressure at X > pressure in B
Zero flow
State: Enable inactive (solenoid de-energized)
A → B / B → A locked in a leak-free manner
State: Command value 0 V or 4 mA from A → B / B → A
See characteristic curves
State: Command value 0 V or 4 mA from A → X / B → X
l/min
< 0.3
Hydraulic fluid temperature range
°C
-20 … +80
Viscosity range
mm²/s
15 … 380
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c)
1)
Pilot control valve
Class 17/15/12 according to ISO 4406 (c)
Main valve
Class 20/18/15 according to ISO 4406 (c)
Hysteresis
%
< 0.2
Response sensitivity
%
< 0.1
Range of inversion
%
< 0.15
Voltage type
Direct voltage
Duty cycle
%
100
Current consumption
I
max
A
1.3
Impulse load
A
1.5
Protection class according to DIN EN 60529
IP65 (If a suitable and a correctly mounted mating connector are used.)
Coil resistance at 20°C
Total resistance between 1 and 2
Ω
31.5
Total resistance between 2 and PE
Ω
45.5
Total resistance between PE and 1
Ω
31.5
Type of protection according to EN 60529
IP65 (If a suitable and a correctly mounted mating connector are used.)
Inductivity
mH
6 ... 8
Oscillator frequency
kHz
2.5
Electrical position measurement system
Differential throttle
Pin assignment
Contact
Signal with B1 interface
Signal with G1 interface
Operating voltage +UL
1
U
B
= 24 VDC (
u
B
(t) = 21,6 ... 36 V)
Ground L0
2
Enable input / reference for pin 2
3
log1 = 10 V ... 36 V; log0 = U < 8 V
Command value input
4
0 V ... 10 V (
R
e
> 50 kΩ)
4 to 20 mA; load resistance maximum 100 Ω
Command value input, reference
5
Actual value output
6
0 V ... -10 V (
I
max
= 5 mA)
4 ... 20 mA; load resistance maximum 500 Ω
Product Features:
Pilot-operated 2-way proportional throttle valve in block installation technology
Installation dimensions according to DIN ISO 7368
Orifice spool electrically position-controlled
Flow in both directions
In case of power failure, cable break or disconnection of enable, the orifice spool will automatically move into seat position and block the flow in both directions
Can be used for pressure-compensated closed-loop flow control in conjunction with a pressure compensator
Completely adjusted unit with integrated electronics (OBE), optionally available with voltage or current interface