Danfoss SV15-34-05 Technical Information

Solenoid Valves Technical Information

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 float-center, allowing flow between ports 1, 2 and 4, while port 3 is blocked. When coil S1 is energized, the spool shifts to allow flow from port 3 to port 4, and from port 2 to 1. When coil S2 is energized, the spool shifts to allow flow 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 flow 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 flow 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	60 l/min
[100 psi]	[16 US gal/min]
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.

PERFORMANCE CURVES

psi 150

100

50

0

		Pressure Drop			F]
26 cSt [121 SUS] hyd.oil at 50 C [122
bar
10
8
6						3 to 2
						3 to 4
4						2 to 1
2						4 to 1
0	10	20	30	40	50	60 l/min
	0	4	8	12		16 US gal/min

BC332375861112en-000101 • February 2020

SV - 221

Solenoid Valves Technical Information

4 Way, 3 Position Spool

SV15-34-05

DIMENSIONS

Cross-sectional view

mm [in]

EXAMPLE CIRCUITS

2 Speed Circuit

ORDERING INFORMATION

BC332375861112en-000101 • February 2020

SV - 222