4-way, 3-position, solenoid-operated directional spool valve, 3600 psi (250 bar) - common cavity
This direct acting, solenoid-operated, 4-way, 3-position spool valve is spring centered to the neutral position. When coil A is energized, the flow is from port 3 (P) to port 2 (B) and from port 4 (A) to port 1 (T). When coil B is energized, the flow is from port 3 to port 4 and from port 2 to port 1.
- Max working pressure at Port 1 is 290 psi (20 bar). Max working pressure on all other ports is 3600 psi (250 bar).
- This valve is direct actuated and requires no minimum hydraulic pressure for operation.
- Coil connector options offer ratings up to IP67H. See individual coil product pages for details.
- This valve utilizes a wet armature design. This means that the working fluid surrounds the armature and is exposed to the heat generated by the coil. This can be a factor if the coil is energized for long periods of time. Some fluids, notably water/glycol mixtures, break down at these temperatures over time and form varnishes that will affect the function of the cartridge.
- Coils can be mounted on the tube in either direction.
|Capacity||7 gpm28 L/min.|
|Maximum Operating Pressure||3600 psi250 bar|
|Typical Valve Leakage at 110 SUS (24cSt)||11 in³/min.@3600 psi180 cc/min.@250 bar|
|Response Time - Typical||50 ms50 ms|
|Switching Frequency||15,000 max. cycles/hr15,000 max. cycles/hr|
|Solenoid Tube Diameter||.75 in.19 mm|
|Valve Hex Size||27 mm27 mm|
|Valve Installation Torque||28 - 32 lbf ft38 - 43 Nm|
Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.
There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
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