SUN HYDRAULICS
DNDATSV728
$265.77 USD
- SUN HYDRAULICS
- Material:DNDATSV728
- Model:DNDA-TSV@728
- 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 DNDATSV728 (DNDATSV728) is a solenoid-operated 4-way, 2-position cartridge valve designed for direct-acting, balanced spool directional control. This versatile valve is fatigue-rated for 5000 psi (350 bar) service, ensuring durability and reliability in demanding applications. It operates without the need for minimum hydraulic pressure, making it suitable for a wide range of systems. The cartridge offers several manual override options, although these are not compatible with weatherized coils. Notably, models with D or L control feature a detent mechanism intended for temporary actuation, with an approximate mechanical life expectancy of 7,000 cycles. This valve's wet armature design allows the working fluid to surround the armature and absorb heat generated by the coil. However, prolonged coil energization may affect fluids like water-glycol mixtures due to potential varnish formation. The high-efficiency solenoid design provides robust spool actuation with minimal power consumption. The DNDATSV728 supports various coil termination and voltage configurations, including options with surge protection and IP69K-rated connectors. The cartridge incorporates Sun's floating style construction to reduce internal binding risks due to installation torque or machining variations. It fits into a T31A cavity and belongs to Series 1, offering a capacity of 10 gpm (40 L/min). It features quick response times of approximately 50 ms and can handle switching frequencies up to 15,000 cycles per hour. Additionally, it maintains low leakage rates at maximum operating pressure. The valve requires an installation torque of 30-35 lbf ft (41-47 Nm) and has a hex size of .78 in (22.2 mm). Weighing .60 lb (.30 kg), it comes with Viton seal kits available for both cartridge and coil components, ensuring compatibility with various fluid types while safeguarding against petroleum-based fluids that could damage EPDM seals.
The Sun Hydraulics DNDATSV728 (DNDATSV728) is a solenoid-operated 4-way, 2-position cartridge valve designed for direct-acting, balanced spool directional control. This versatile valve is fatigue-rated for 5000 psi (350 bar) service, ensuring durability and reliability in demanding applications. It operates without the need for minimum hydraulic pressure, making it suitable for a wide range of systems. The cartridge offers several manual override options, although these are not compatible with weatherized coils. Notably, models with D or L control feature a detent mechanism intended for temporary actuation, with an approximate mechanical life expectancy of 7,000 cycles. This valve's wet armature design allows the working fluid to surround the armature and absorb heat generated by the coil. However, prolonged coil energization may affect fluids like water-glycol mixtures due to potential varnish formation. The high-efficiency solenoid design provides robust spool actuation with minimal power consumption. The DNDATSV728 supports various coil termination and voltage configurations, including options with surge protection and IP69K-rated connectors. The cartridge incorporates Sun's floating style construction to reduce internal binding risks due to installation torque or machining variations. It fits into a T31A cavity and belongs to Series 1, offering a capacity of 10 gpm (40 L/min). It features quick response times of approximately 50 ms and can handle switching frequencies up to 15,000 cycles per hour. Additionally, it maintains low leakage rates at maximum operating pressure. The valve requires an installation torque of 30-35 lbf ft (41-47 Nm) and has a hex size of .78 in (22.2 mm). Weighing .60 lb (.30 kg), it comes with Viton seal kits available for both cartridge and coil components, ensuring compatibility with various fluid types while safeguarding against petroleum-based fluids that could damage EPDM seals.
This solenoid-operated 4-way, 2-position cartridge is a direct-acting, balanced spool directional valve.
- The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
- This valve is direct actuated and requires no minimum hydraulic pressure for operation.
- This cartridge has several manual override choices, including no manual override. See the CONFIGURATION section. Please note: Manual override functionality is not compatible with weatherized coils.
- On models equipped with the D or L control, the detent mechanism in the manual override is meant for temporary actuation. The D, L and T manual control assembly has a mechanical life expectancy of approximately 7,000 cycles.
- Cartridges with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
- 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.
- A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
- 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.
- Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted on the tube in either direction.
- 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 | 10 gpm40 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Response Time - Typical | 50 ms50 ms |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 10 in³/min.@3000 psi160 cc/min.@210 bar |
| Switching Frequency | 15000 cycles/hr15000 cycles/hr |
| 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 |
| Seal and nut kit - Coil | Viton: 990-770-006Viton: 990-770-006 |
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