Danfoss SV15-34-05 Technical Information
Solenoid Valves Technical Information
Pressure Drop
16
12
8
4
0
4 Way, 3 Position Spool
SV15-34-05
OPERATION
Solenoid Valve, Spool Type, 3-Position, 4-Way, High Flow (15-Size). When de-energized, the SV15-34-05 is oat-center,
allowing ow between ports 1, 2 and 4, while port 3 is blocked. When coil S1 is energized, the spool shifts to allow
ow from port 3 to port 4, and from port 2 to 1. When coil S2 is energized, the spool shifts to allow ow from
port 3 to port 2, and from port 4 to port 1. Follow the “Operating Envelope” limits to ensure shifting of the valve
during operation. This valve is a direct replacement for EDH 12/4309 and uses a metric M33x2 cavity (NCS 12/4)
for high ow capability. The SV15-34-05 comes standard with a one-direction, push-pin manual override. When
the manual override is pushed, the spool shifts following the logic of energizing S2.
APPLICATIONS
These spool-type valves are primarily used in mobile and industrial applications for
controlling the direction of the ow in a circuit. Solenoid spool-type valves are direct
acting and respond quickly to coil voltage input. Spool valves will have some leakage
due to spool clearance, so if your application requires no leakage at the working
port(s), apply a low leakage poppet valve(s), like PO check valve, counterbalance
valve, etc., in addition to this solenoid valve. Use the optional screen to help protect
the actuator from large particles. This valve can operate with an inlet pressure of 315
bar on port 3 for 300,000 cycles. Port 1 is not intended for use as inlet (Tank only).
SPECIFICATIONS SCHEMATIC
Rated Pressure* 210 bar [3045 psi]**
Maximum Rated Flow at 7 bar
[100 psi]
Weight including coil 1.400 kg [3.09 lbs]
Cavity NCS 12/4
Coil M19 33 Watt
Diode (Optional) Unidirectional
* Rated Pressure based on NFPA fatigue test standards (at 1 Million Cycles).
** See 315 bar pressure rating note on page 10.
60 l/min
[16 US gal/min]
PERFORMANCE CURVES
psi
150
100
50
26 cSt [121 SUS] hyd.oil at 50ｳC [122 ｳF]
bar
10
8
6
4
2
3 to 2
3 to 4
2 to 1
4 to 1
0
0
10
20
504030
60
BC332375861112en-000101 • February 2020
l/min
US gal/min
SV - 221
Solenoid Valves Technical Information
4 Way, 3 Position Spool
SV15-34-05
DIMENSIONS
mm [in]
EXAMPLE CIRCUITS
Cross-sectional view
2 Speed Circuit
ORDERING INFORMATION
BC332375861112en-000101 • February 2020
SV - 222
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