Proportional Valves Technical Information
05
1
2
Relief, Pilot Operated, Normally Closed
PRV12-POC
OPERATION
SPECIFICATIONS
DIMENSIONS
mm [in]
This is a normally-closed, pilot-operated, proportional relief valve.
THEORETICAL PERFORMANCE
Rated pressure 250 bar [3600 psi]
Rated flow 180 l/min
[48 US gal/min]
Weight 0.62 kg [1.37 lb]
Hysteresis 10% maximum
Threshold current 0 A (12 VDC coil)
0 A (24 VDC coil)
Maximum control
current
1.5 A (12 VDC coil)
0.8 A (24 VDC coil)
Cavity SDC12-2
Standard Coil M19P 22 Watt
SCHEMATIC
psi
3000
2000
essure
Setting pr
1000
0
bar
200
150
100
50
240
160
pressure vs. current
26 cSt [125 SUS] hyd.oil @ 20° C [68° F]
C
B
A
0
00.6 1.2
current (amps) 12V coil
psi
Bar
16
12
8
80
4
0050 100 150 200
l/min
US gal/min
10 30 4020
Cross-sectional view
1.8
Pressure drop
0
Type E
adjustment
13 mm
7-9 Nm [5-6 lbf*ft]
4mm
Type F and H
adjustment
11.2
[0.44]
MAX
26mm
3-5 Nm [26-44 lbf*in]
KIT P/N 173802188
COIL NOT SHOWN FOR CLARITY
INSTALL O-RINGAS SHOWN
ORDERING
INFORMATION
BC332375973113en-000101 • February 2020
100.0
[3.94]
32mm
68-75 Nm [50-55 lbf*ft]
7.0
[0.28]
1-1/16-12 UN 2A
45.0
[1.77]
1
2
PV - 65
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