SUN HYDRAULICS
DNDASEN548
$179.79 USD
- SUN HYDRAULICS
- Material:DNDASEN548
- Model:DNDA-SEN@548
- Summary:Cartridge
Quantity in stock: 0
***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics DNDASEN548 (DNDASEN548) is a solenoid-operated, 4-way, 2-position cartridge valve featuring a direct-acting, balanced spool with a soft shift capability. This soft shift feature significantly reduces system shock during valve actuation, making it ideal for applications where gentle transitions are crucial. The cartridge is interchangeable with standard models but operates within lower performance limits. It's important to note that while the soft shift feature minimizes shock, it should not be relied upon for precise timing control; for such applications, Sun's electroproportional valves are recommended. The response time for this valve ranges from 150 ms to 300 ms and varies based on factors like flow rate, pressure, coil voltage, oil viscosity, and ambient temperature. For optimal soft shift performance, maintaining positive pressure at port 1 is advised. The valve includes a push-type manual override control; however, other manual control options cannot be ordered with the soft shift but can be field-installed if needed. Notably, manual override functionality does not support weatherized coils. The solenoid tube assembly is designed to withstand fatigue at 5000 psi (350 bar), utilizing a wet armature design that exposes the working fluid to coil-generated heat\u2014caution is advised when using fluids prone to breakdown at high temperatures. The solenoid's magnetic design ensures high efficiency by providing substantial spool actuating force per watt expended. Various coil connector options offer protection ratings up to IP69K for enhanced environmental resilience. The valve employs Sun's floating style construction to prevent internal part binding due to excessive torque or machining variations in cavity or cartridge installation. With a capacity of 4 gpm (15 L/min) and maximum operating pressure of 5000 psi (350 bar), this model supports reliable operation in demanding hydraulic systems.
The Sun Hydraulics DNDASEN548 (DNDASEN548) is a solenoid-operated, 4-way, 2-position cartridge valve featuring a direct-acting, balanced spool with a soft shift capability. This soft shift feature significantly reduces system shock during valve actuation, making it ideal for applications where gentle transitions are crucial. The cartridge is interchangeable with standard models but operates within lower performance limits. It's important to note that while the soft shift feature minimizes shock, it should not be relied upon for precise timing control; for such applications, Sun's electroproportional valves are recommended. The response time for this valve ranges from 150 ms to 300 ms and varies based on factors like flow rate, pressure, coil voltage, oil viscosity, and ambient temperature. For optimal soft shift performance, maintaining positive pressure at port 1 is advised. The valve includes a push-type manual override control; however, other manual control options cannot be ordered with the soft shift but can be field-installed if needed. Notably, manual override functionality does not support weatherized coils. The solenoid tube assembly is designed to withstand fatigue at 5000 psi (350 bar), utilizing a wet armature design that exposes the working fluid to coil-generated heat\u2014caution is advised when using fluids prone to breakdown at high temperatures. The solenoid's magnetic design ensures high efficiency by providing substantial spool actuating force per watt expended. Various coil connector options offer protection ratings up to IP69K for enhanced environmental resilience. The valve employs Sun's floating style construction to prevent internal part binding due to excessive torque or machining variations in cavity or cartridge installation. With a capacity of 4 gpm (15 L/min) and maximum operating pressure of 5000 psi (350 bar), this model supports reliable operation in demanding hydraulic systems.
This solenoid-operated 4-way, 2-position cartridge is a direct-acting, balanced spool directional valve with a soft shift feature. The soft shift feature greatly reduces system shock due to valve actuation.
- The soft shift cartridge is interchangeable with the standard cartridge, however, the performance limits are lower.
- The soft shift feature can greatly reduce shock due to valve actuation but should not be counted upon in applications where timing is critical. If you need accurate ramping or timing control, consider Sun's electro-proportional valves.
- The soft shift feature results in significant increase in response time over Sun's standard solenoid. Response time is dependant on flow, pressure, coil voltage, oil viscosity and ambient temperature. Typical response time ranges from 150 ms to 300 ms.
- For consistent soft shift performance, port 1 should be at a positive pressure.
- This valve includes a push-type manual override control. Other manual control options such as T or D, cannot be ordered with the soft shift control but can be installed easily in the field. See Twist/Lock Manual Override link above for details. Please note: Manual override functionality is not compatible with weatherized coils.
- The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
- 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.
- The solenoid's unique magnetic design results in a high efficiency solenoid, yielding high spool actuating force per Watt expended, leading to reliable valve shifting.
- Coil connector options offer ratings up to IP69K. See individual coil product pages for details. Additional weatherized coils and kits are available for more complete environmental protection.
- Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
| Cavity | T-31A |
| Series | 1 |
| Capacity | 4 gpm15 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 10 in³/min.@3000 psi160 cc/min.@210 bar |
| Manual Override Force Requirement | 5 lbs/1000 psi @ Port 133 N/100 bar @ Port 1 |
| Manual Override Stroke | .10 in.2,5 mm |
| Solenoid Tube Diameter | .75 in.19 mm |
| Valve Hex Size | 7/8 in.22,2 mm |
| Valve Installation Torque | 30 - 35 lbf ft41 - 47 Nm |
| Model Weight | .60 lb0,30 kg |
| Seal kit - Cartridge | Viton: 990-431-006 |
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