SUN HYDRAULICS
DMDADBN548
$182.38 USD
- SUN HYDRAULICS
- Material:DMDADBN548
- Model:DMDA-DBN@548
- 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 DMDADBN548 (DMDADBN548) is a solenoid-operated 3-way, 2-position cartridge valve that excels in high-performance applications requiring precise control and reliability. This direct-acting, balanced spool directional valve is designed to operate seamlessly without minimum hydraulic pressure, making it versatile for various operational environments. The valve features a robust solenoid tube assembly rated for fatigue at 5000 psi (350 bar), ensuring durability and longevity under high-pressure conditions. The DMDADBN548 is equipped with closed transitions between Spools B and R, which enhances performance by providing faster and more consistent response times, particularly suitable for pilot control applications where capacity is less critical. Additionally, the model includes manual override options with a detent mechanism designed for temporary actuation, supporting up to approximately 7,000 cycles. For systems using phosphate ester fluids, cartridges configured with EPDM seals are recommended to prevent damage from petroleum-based substances. The wet armature design of the valve aids in heat management around the coil but requires consideration of fluid compatibility as certain fluids may degrade under prolonged exposure to heat. This model also benefits from Sun's floating style construction which minimizes internal parts binding due to installation variances or cavity/cartridge machining errors. With a maximum operating pressure of 5000 psi and a capacity of 12 gpm (45 L/min), along with interchangeable coils compatible with other Sun Series 1 solenoid products, the DMDADBN548 offers flexibility and reliability in a compact package suitable for a wide range of industrial applications.
The Sun Hydraulics DMDADBN548 (DMDADBN548) is a solenoid-operated 3-way, 2-position cartridge valve that excels in high-performance applications requiring precise control and reliability. This direct-acting, balanced spool directional valve is designed to operate seamlessly without minimum hydraulic pressure, making it versatile for various operational environments. The valve features a robust solenoid tube assembly rated for fatigue at 5000 psi (350 bar), ensuring durability and longevity under high-pressure conditions. The DMDADBN548 is equipped with closed transitions between Spools B and R, which enhances performance by providing faster and more consistent response times, particularly suitable for pilot control applications where capacity is less critical. Additionally, the model includes manual override options with a detent mechanism designed for temporary actuation, supporting up to approximately 7,000 cycles. For systems using phosphate ester fluids, cartridges configured with EPDM seals are recommended to prevent damage from petroleum-based substances. The wet armature design of the valve aids in heat management around the coil but requires consideration of fluid compatibility as certain fluids may degrade under prolonged exposure to heat. This model also benefits from Sun's floating style construction which minimizes internal parts binding due to installation variances or cavity/cartridge machining errors. With a maximum operating pressure of 5000 psi and a capacity of 12 gpm (45 L/min), along with interchangeable coils compatible with other Sun Series 1 solenoid products, the DMDADBN548 offers flexibility and reliability in a compact package suitable for a wide range of industrial applications.
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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