Danfoss PSV12-NC Technical Information
Proportional Valves Technical Information
Operating Curves
01
2
1
Flow Control, Non-Compensated, Normally Closed
PSV12-NC
OPERATION
SPECIFICATIONS
PSV12-NC
This is a normally-closed, direct-acting, spool-type, non-compensated, proportional
flow-control. Controlled flow is from port 1 to 2.
Rated pressure 260 bar {3770 psi]
Maximum flow at 10 bar
[145 psi]
PSV12-NC-60: 60 l/min
[15.85 US gal/min]
PSV12-NC-80: 80 l/min
[21.13 US gal/min]
Leakage 420 cm³/min [25.6 in³/min] @
rated pressure
Weight 0.76 kg [1.68 lb]
Hysteresis 5% maximum
Threshold current 0.5 A (12 VDC coil)
0.25 A (24 VDC coil)
Maximum control
current
1.8 A (12 VDC coil)
0.9 A (24 VDC coil)
Cavity SDC12-2
Standard Coil D14E(35W) 35 Watt
SCHEMATIC
THEORETICAL PERFORMANCE
US
gal/min
(using a circuit with a pressure drop of 10 Bar)
26 cSt [121 SUS] hyd.oil@50°C [122°F]
l/min
24
80
14
60
12
40
6
20
0
0 0.3 0.9 (A)
(24 V)
(12 V)
0 0.6
Pressure drop (from port 1 to 2)
psi
217
145
72
0
26 cSt [121 SUS] hyd.oil@50°C [122°F]
Bar
15
10
5
0
3020100
40
80
0.6
1.2
60
6050
60
1.8 (A)
80
70
8612
l/min
90
80
US
gal/min
24
DIMENSIONS
mm [in]
ORDERING
INFORMATION
Cross-sectional view
9-11 Nm [6-8 lbf*ft]
Coil NutP/N 17380531
COIL NOTSHOWN FORCLARITY
94.50
[3.72]
32mm27mm
68-75Nm[50-55lbf*ft]
1-1/16-12 UN
2
45.00
[1.77]
1
[Ø1.24]
Ø31.50
BC332375973113en-000101 • February 2020
PV - 29
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