SUN HYDRAULICS
DNDYTXN71299
$316.51 USD
- SUN HYDRAULICS
- Material:DNDYTXN71299
- Model:DNDY-TXN@71299
- 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 DNDYTXN71299 (DNDYTXN71299) is a solenoid-operated, 6-way, 2-position cartridge valve designed for direct-acting, balanced spool applications. This valve is primarily used to alternate between two separate circuits, with the de-energized state connecting ports P and T to the first circuit and the energized state connecting them to the second. It features a fatigue-rated solenoid tube assembly capable of handling up to 5000 psi (350 bar), ensuring durability in demanding conditions. The valve requires no minimum hydraulic pressure for operation and can be equipped with various manual override options, although these are not compatible with weatherized coils. The wet armature design allows working fluid to cool the armature, though prolonged coil energization can lead to fluid breakdown in certain mixtures. The DNDYTXN71299 offers high efficiency due to its unique magnetic design, providing reliable shifting with minimal energy expenditure. Coils are interchangeable within Sun Series 1 products and can be mounted in either direction, with options for coil termination and voltage configurations available. Connector options provide ratings up to IP69K for enhanced environmental protection. The valve incorporates Sun's floating style construction to reduce internal binding risks due to installation torque or machining variations. With a capacity of 5 gpm (20 L/min) and a typical response time of 50 ms, this cartridge is suitable for applications requiring frequent switching cycles\u2014up to 15,000 cycles per hour. It has a maximum leakage rate of 5 in\u00b3/min at 3000 psi (80 cc/min at 210 bar) and requires a manual override force of 5 lbs/1000 psi at Port 1. Installation torque ranges from 30-35 lbf ft (41-47 Nm), and it weighs approximately .60 lb (.30 kg). Seal kits are available separately for maintenance needs.
The Sun Hydraulics DNDYTXN71299 (DNDYTXN71299) is a solenoid-operated, 6-way, 2-position cartridge valve designed for direct-acting, balanced spool applications. This valve is primarily used to alternate between two separate circuits, with the de-energized state connecting ports P and T to the first circuit and the energized state connecting them to the second. It features a fatigue-rated solenoid tube assembly capable of handling up to 5000 psi (350 bar), ensuring durability in demanding conditions. The valve requires no minimum hydraulic pressure for operation and can be equipped with various manual override options, although these are not compatible with weatherized coils. The wet armature design allows working fluid to cool the armature, though prolonged coil energization can lead to fluid breakdown in certain mixtures. The DNDYTXN71299 offers high efficiency due to its unique magnetic design, providing reliable shifting with minimal energy expenditure. Coils are interchangeable within Sun Series 1 products and can be mounted in either direction, with options for coil termination and voltage configurations available. Connector options provide ratings up to IP69K for enhanced environmental protection. The valve incorporates Sun's floating style construction to reduce internal binding risks due to installation torque or machining variations. With a capacity of 5 gpm (20 L/min) and a typical response time of 50 ms, this cartridge is suitable for applications requiring frequent switching cycles\u2014up to 15,000 cycles per hour. It has a maximum leakage rate of 5 in\u00b3/min at 3000 psi (80 cc/min at 210 bar) and requires a manual override force of 5 lbs/1000 psi at Port 1. Installation torque ranges from 30-35 lbf ft (41-47 Nm), and it weighs approximately .60 lb (.30 kg). Seal kits are available separately for maintenance needs.
This solenoid-operated 6-way, 2-position cartridge is a direct-acting, balanced spool valve. The typical use for this valve is to select between two separate circuits. The de-energized condition connects P and T to the first circuit and when energized connects P and T to the second circuit.
- 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.
- 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.
- 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.
- 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-61A |
| Series | 1 |
| Capacity | 5 gpm20 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Response Time - Typical | 50 ms50 ms |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 5 in³/min.@3000 psi80 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: 990-461-006 |
| Seal and nut kit - Coil | Viton: 990-770-006Viton: 990-770-006 |
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