Proportional Valves Technical Information
1
2
3/4-16 UNF
20 mm [.79]
4-6 Nm
[35-53 lbf*in]
P/N 173800539
COIL NOT SHOWN FOR CLARITY
Optional
Filter
24 mm [0.94]
45-57 Nm
[40-47 ft*lb]
69.0
[2.72]
26.6
[1.05]
Pressure Relieving, Direct Acting, Normally Closed
HPRV08-DAC
OPERATION
SPECIFICATIONS
DIMENSIONS
mm [in]
This is a direct acting, normally closed, proportional pressure relief valve.
THEORETICAL PERFORMANCE
Rated pressure 350 bar [5075 psi]
Maximum
1.89 l/min [0.5 US gal/min]
recommended flow
Hysteresis 5% maximum
Threshold current 0 A (12 VDC coil)
0 A (24 VDC coil
Maximum control
current
Standard maximum
0.8 A (12 VDC coil)
0.4 A (24 VDC coil)
350 bar [5075 psi]
setting
Cavity SDC08-2
Coil R13 16 Watt
Note: A PWM frequency of 50 Hz is recommended
for optimal performance.
SCHEMATIC
Cross-sectional view
5000
4000
3000
2000
1000
psi
0
psi
500
400
300
200
100
psi
6000
4800
3600
2400
1200
0
0
Pressure vs. Current
33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
bar
350
280
210
140
70
0
0.2
Pressure Drop (Maximum Current)
33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
bar
35
28
21
14
7
0
0.4
0
0.1
Pressure Rise (No Current)
33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
bar
420
336
252
168
84
0
0.4
0
0.1
12VDC, R13 coil
0.2
0.20.4
0.
0.3
1 2
1.0
0.80.60.4
1.61.20.8
2.0
L/mi
0.4
.5
2.0
1.61.20.8
0.5
ORDERING
INFORMATION
High Pressure,
Proportional Relief Valve, 08 Size,
Direct Acting, Normally Closed
Pressure Setting
Setting Code (10 bar inc.)
Option
D
215-350 Bar (3120-5075 psi)
Maximum Pressure Option
Code
D
350 Bar (5075 psi)
Adjustment Option
Adjustment Option
Code
E
Max Pressure
External
BC332375973113en-000101 • February 2020
HPRV08-DAC-350-D-E-R12D-DE-B-F-4S
Coil Voltage
DescriptionCode
No Coil, with nut
12 VDC
24 VDC
R00
R12D
R24D
Coil Termination
Type
AMP SuperSeal 1.5
Deutsch
Flying Leads FL
Metri-Pack 150 Type 2
Code
AS
DE
M3
Housing and Ports
Ports & Material
Code
00 Cartridge Only No Body
S4S
#4 SAE, DUCTILECP08-2-S4S
S6S #6 SAE, DUCTILECP08-2-S6S
* Aluminum housings available for use in applications less
than 210 bar (3000 psi). Consult factory for details.
Filter Option
Seal Option
Code
F
Omit
Code
B
V
Body Nomenclature
Option
Filter
No Filter
Material
Seal Kits
Buna
11191986
Viton
11191987
PV - 61