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Servo valves Series LR Flow control - LRWA0



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3/3 way servo valves for the flow control

Series general data


Power supply 24 VDC +/- 10%, stabilized, max. 0,8 A
Input specified value +/- 10V vs. 100 kohm; 0-10V vs. 100 kohm; 0-20 mA vs. 500 ohm
Hysteresis approx. 1% FS related to slide position
Linearity approx. 1% FS related to slide position
Frequency limit (-3dB, -90°) at +/-100% spec. val.: approx. 70 Hz; at +/- 50% spec. val.: approx. 110 Hz
Switching time 0 to 100%: approx. 5 ms; +/- 100%: approx. 7 ms
Temperature range 0 to 50° C
Relative humidity of air max. 90%
Weight of cartridge approx. 0,140 kg without cable
Maximum flow rate (fully opened) 6 bar to 0 bar: 700 Nl/min (LRWA0-34) 1100 Nl/min (LRWA0-36) 6 bar to 5 bar: 450 Nl/min (LRWA0-34) 690 Nl/min (LRWA0-36)
Medium clean air, oiled or not oiled, 5 µm filtered
Supply pressure -0,9 to 10 bar
Leakage < 1% of maximum flow rate
Materials AISI 440B/1; NBR (static)

Code

L R W A 0 - 3 4 - 1 - A - 05

 


L
SERIES:
L = Proportional servo valves
R
TECHNOLOGY:
R = rotary
W
VERSION:
W = flow control
A
ELECTRONICS:
A = analogic
0
MODEL:
0 = cartridge with fixation slot
3
FUNCTION:
3 = 3 way
4
DIAMETER:
4 = 4 mm
6 = 6 mm
1
INPUT SIGNAL:
1 = +/- 10 V
2 = 0-10 V
3= 0-20 mA
A
FEEDBACK SIGNAL:
A = internal encoder 
05
CABLE:
05 = 0,5 m
10 = 1 m
20 = 2 m