Danfoss PRV08-DAC Technical Information
Proportional Valves Technical Information
24 mm [0.94]
33-38 Nm
[24-28 ft*lb]
3/4-16 UNF
20 mm [.79]
4-6 Nm
[35-53 lbf*in]
P/N 173800539
COIL NOT SHOWN FOR CLARITY
Optional
Filter
1
2
69.0
[2.72]
26.6
[1.05]
PRV08-DAC-215-C-E-R12D-AS-B-F-S6S
Proportional Relief Valve,
08 Size, Direct Acting, Normally Closed
Seal Option
Housing and Ports
Filter Option
Pressure Setting
Maximum Pressure Option
Coil Voltage
Coil Termination
Adjustment Option
Code
Ports & Material
Body Nomenclature
00 Cartridge Only No Body
4S
#4 SAE, AL
CP08-2-4S
6S
#6 SAE, AL
CP08-2-6S
DG-2B
1/4 BSP, AL
SDC08-2-DG-3B
DG-3B
3/8, BSP, AL
SDC08-2-DG-3B
S4S
#4 SAE, DUCTILE
CP08-2-S4S
S6S
#6 SAE, DUCTILECP08-2-S6S
Code
Material
Seal Kits
B
Buna
11191986
V
Viton
11191987
Code
Option
F
Filter
Omit
No Filter
Description
Code
No Coil, with nut
R00
12 VDC
R12D
24 VDC
R24D
Type
Code
AMP SuperSeal 1.5
AS
Deutsch
DE
Flying Leads
FL
Metri-Pack 150 Type 2
M3
Code
Max Pressure
B
155 Bar (2250 psi)
C
215 Bar (3120 psi)
Code
Adjustment Option
E
External
Option
Setting Code (10 bar inc.)
B
65-155 Bar (940-2250 psi)
C
155-215 Bar (2250-3120 psi)
Pressure Relieving, Direct Acting, Normally Closed
PRV08-DAC
OPERATION
SPECIFICATIONS
DIMENSIONS
mm [in]
This is a direct acting, normally closed, proportional pressure relief valve.
Rated pressure 215 bar [3120 psi]
Maximum
recommended flow
155 bar option: 3.78 l/min [1.0 US gal/min]
215 bar option: 2.84 l/min [0.75 US gal/min]
Hysteresis 5% maximum
Threshold current 0 A (12 VDC coil)
0 A (24 VDC coil
Maximum control
current
Standard maximum
setting options
0.8 A (12 VDC coil)
0.4 A (24 VDC coil)
155 bar [2250 psi]
215 bar [3120 psi]
Cavity SDC08-2
Coil R13 16 Watt
Note: A PWM frequency of 50 Hz is recommended for optimal
performance.
SCHEMATIC
Cross-sectional view
THEORETICAL PERFORMANCE
Pressure vs. Current
33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
bar
psi
215
3000
2400
1800
1200
1000
4000
3200
2400
1600
800
172
129
600
0
psi
800
600
400
200
0
psi
0
'C' Option
12VDC, R13 coil
'B' Option
86
43
0
0.2
Pressure Drop (Maximum Current)
33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
bar
70
1 2
56
42
28
14
0
0
Pressure Rise (No Current)
33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
bar
280
224
168
112
56
0
0
0.8
0.2
'C' Option
0.4
0.1
'C' Option
0.4
'B' Option
0.20.4
0.80.60.4
'B' Option
3.22.41.6
0.8
0.61.0
1.61.20.8
0.3
0.5
Current
1.0
Amps
Flow
4.0
L/min
US gal/min
Flow
2.0
L/min
US gal/min
ORDERING
INFORMATION
BC332375973113en-000101 • February 2020
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