SUN HYDRAULICS
DNDASNV912
$193.70 USD
- SUN HYDRAULICS
- Material:DNDASNV912
- Model:DNDA-SNV@912
- 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 DNDASNV912 (DNDASNV912) is a solenoid-operated, 4-way, 2-position cartridge valve designed for directional control with a soft shift feature to minimize system shock during actuation. This direct-acting, balanced spool valve can interchange with standard cartridges but operates within lower performance limits. The soft shift feature extends response times, which typically range from 150 ms to 300 ms depending on various factors such as flow, pressure, and oil viscosity. It is important to maintain positive pressure at port 1 for consistent performance. The valve includes a push-type manual override control but is incompatible with weatherized coils and cannot be ordered with T or D manual controls, although these can be field-installed. The solenoid tube assembly is rated for fatigue at 5000 psi (350 bar), featuring a wet armature design that may affect function if the coil is energized for extended periods in certain fluids like water-glycol mixtures. Its high-efficiency solenoid design ensures reliable valve shifting with significant actuating force per watt expended. Coil connector options are available up to IP69K rating for enhanced environmental protection. The valve incorporates Sun's floating style construction to reduce the risk of internal part binding due to installation or machining variations. With a capacity of 4 gpm (15 L/min) and maximum leakage of 10 in\u00b3/min at 3000 psi (160 cc/min at 210 bar), this model weighs approximately .60 lb (0.30 kg) and requires installation torque between 30-35 lbf ft (41-47 Nm). It fits within cavity T31A and comes equipped with Viton seal kits for optimal sealing performance.
The Sun Hydraulics DNDASNV912 (DNDASNV912) is a solenoid-operated, 4-way, 2-position cartridge valve designed for directional control with a soft shift feature to minimize system shock during actuation. This direct-acting, balanced spool valve can interchange with standard cartridges but operates within lower performance limits. The soft shift feature extends response times, which typically range from 150 ms to 300 ms depending on various factors such as flow, pressure, and oil viscosity. It is important to maintain positive pressure at port 1 for consistent performance. The valve includes a push-type manual override control but is incompatible with weatherized coils and cannot be ordered with T or D manual controls, although these can be field-installed. The solenoid tube assembly is rated for fatigue at 5000 psi (350 bar), featuring a wet armature design that may affect function if the coil is energized for extended periods in certain fluids like water-glycol mixtures. Its high-efficiency solenoid design ensures reliable valve shifting with significant actuating force per watt expended. Coil connector options are available up to IP69K rating for enhanced environmental protection. The valve incorporates Sun's floating style construction to reduce the risk of internal part binding due to installation or machining variations. With a capacity of 4 gpm (15 L/min) and maximum leakage of 10 in\u00b3/min at 3000 psi (160 cc/min at 210 bar), this model weighs approximately .60 lb (0.30 kg) and requires installation torque between 30-35 lbf ft (41-47 Nm). It fits within cavity T31A and comes equipped with Viton seal kits for optimal sealing performance.
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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