SUN HYDRAULICS
DNDASUV848
$195.58 USD
- SUN HYDRAULICS
- Material:DNDASUV848
- Model:DNDA-SUV@848
- 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 DNDASUV848 (DNDASUV848) is a solenoid-operated, 4-way, 2-position cartridge valve featuring a direct-acting, balanced spool design with an integrated soft shift feature. This soft shift capability significantly reduces system shock during valve actuation, making it ideal for applications where minimizing hydraulic shock is crucial. However, it's worth noting that while the soft shift feature enhances response time consistency, it should not be relied upon for critical timing applications. For precise ramping or timing control, electro-proportional valves are recommended. The valve's response time varies between 150 ms to 300 ms depending on factors such as flow rate, pressure, coil voltage, oil viscosity, and ambient temperature. To ensure consistent performance of the soft shift feature, maintaining positive pressure at port 1 is essential. The valve includes a push-type manual override control for added versatility; however, this functionality is incompatible with weatherized coils. Engineered with a fatigue-rated solenoid tube assembly for up to 5000 psi (350 bar) service and utilizing a wet armature design, the DNDASUV848 ensures efficient operation by surrounding the armature with working fluid. This design choice helps manage heat dissipation generated by the coil but requires caution with certain fluids like water-glycol mixtures that may degrade over time. The solenoid's unique magnetic design provides high efficiency by delivering significant spool actuating force per watt expended. The construction incorporates Sun's floating style to minimize internal binding risks due to excessive torque or machining variations in cavity/cartridge installations. Featuring a T-31A cavity and supporting up to 4 gpm (15 L/min) capacity at maximum operating pressures of 5000 psi (350 bar), this model weighs approximately .60 lb (0.30 kg) and requires installation torque between 30 - 35 lbf ft (41 - 47 Nm).
The Sun Hydraulics DNDASUV848 (DNDASUV848) is a solenoid-operated, 4-way, 2-position cartridge valve featuring a direct-acting, balanced spool design with an integrated soft shift feature. This soft shift capability significantly reduces system shock during valve actuation, making it ideal for applications where minimizing hydraulic shock is crucial. However, it's worth noting that while the soft shift feature enhances response time consistency, it should not be relied upon for critical timing applications. For precise ramping or timing control, electro-proportional valves are recommended. The valve's response time varies between 150 ms to 300 ms depending on factors such as flow rate, pressure, coil voltage, oil viscosity, and ambient temperature. To ensure consistent performance of the soft shift feature, maintaining positive pressure at port 1 is essential. The valve includes a push-type manual override control for added versatility; however, this functionality is incompatible with weatherized coils. Engineered with a fatigue-rated solenoid tube assembly for up to 5000 psi (350 bar) service and utilizing a wet armature design, the DNDASUV848 ensures efficient operation by surrounding the armature with working fluid. This design choice helps manage heat dissipation generated by the coil but requires caution with certain fluids like water-glycol mixtures that may degrade over time. The solenoid's unique magnetic design provides high efficiency by delivering significant spool actuating force per watt expended. The construction incorporates Sun's floating style to minimize internal binding risks due to excessive torque or machining variations in cavity/cartridge installations. Featuring a T-31A cavity and supporting up to 4 gpm (15 L/min) capacity at maximum operating pressures of 5000 psi (350 bar), this model weighs approximately .60 lb (0.30 kg) and requires installation torque between 30 - 35 lbf ft (41 - 47 Nm).
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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