SUN HYDRAULICS
DMDALNV224
$229.64 USD
- SUN HYDRAULICS
- Material:DMDALNV224
- Model:DMDA-LNV@224
- 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 DMDALNV224 (DMDALNV224) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for direct-acting and balanced spool directional control. This model is particularly noted for its robust construction, including a fatigue-rated solenoid tube assembly capable of handling pressures up to 5000 psi (350 bar). The valve features closed transitions between Spools B and R, optimizing performance by providing faster and more consistent response times ideal for applications as pilot controls where capacity is less critical. The DMDALNV224 is engineered to operate without minimum hydraulic pressure, enhancing its versatility in various hydraulic systems. It includes manual override options with a detent mechanism designed for temporary actuation only, with an expected mechanical life of approximately 7,000 cycles. Special attention is needed regarding the valve's EPDM seals, which are suitable only for phosphate ester fluids; exposure to petroleum-based fluids can cause damage. This model employs a wet armature design where the working fluid surrounds the armature\u2014this aspect needs consideration due to potential heat buildup affecting fluid properties over prolonged periods. The DMDALNV224 also benefits from interchangeable coils compatible with other Sun Series 1 solenoid products and features Sun's floating style construction that minimizes internal part binding due to installation variances. Key specifications include a flow capacity of up to 12 gpm (45 L/min), typical response times of 50 ms, and maximum operating pressures maintained at 5000 psi (350 bar). The valve's switching frequency can reach up to 15,000 cycles per hour, ensuring high reliability and performance continuity in demanding operational conditions.
The Sun Hydraulics DMDALNV224 (DMDALNV224) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for direct-acting and balanced spool directional control. This model is particularly noted for its robust construction, including a fatigue-rated solenoid tube assembly capable of handling pressures up to 5000 psi (350 bar). The valve features closed transitions between Spools B and R, optimizing performance by providing faster and more consistent response times ideal for applications as pilot controls where capacity is less critical. The DMDALNV224 is engineered to operate without minimum hydraulic pressure, enhancing its versatility in various hydraulic systems. It includes manual override options with a detent mechanism designed for temporary actuation only, with an expected mechanical life of approximately 7,000 cycles. Special attention is needed regarding the valve's EPDM seals, which are suitable only for phosphate ester fluids; exposure to petroleum-based fluids can cause damage. This model employs a wet armature design where the working fluid surrounds the armature\u2014this aspect needs consideration due to potential heat buildup affecting fluid properties over prolonged periods. The DMDALNV224 also benefits from interchangeable coils compatible with other Sun Series 1 solenoid products and features Sun's floating style construction that minimizes internal part binding due to installation variances. Key specifications include a flow capacity of up to 12 gpm (45 L/min), typical response times of 50 ms, and maximum operating pressures maintained at 5000 psi (350 bar). The valve's switching frequency can reach up to 15,000 cycles per hour, ensuring high reliability and performance continuity in demanding operational conditions.
This solenoid-operated 3-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.
- Spools B and R are closed in the transition between their two positions. This results in a higher performance limit at the expense of lower capacity. When used as pilot controls, where capacity is not a factor, the closed transition will provide faster and more consistent response times.
- 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.
- Cartridges configured 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.
- Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted on the tube in either direction.
- 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-11A |
| Series | 1 |
| Capacity | 12 gpm45 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: 990-411-006 |
| Seal and nut kit - Coil | Viton: 990-770-006Viton: 990-770-006 |
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