SUN HYDRAULICS
DMDADAV548
$232.22 USD
- SUN HYDRAULICS
- Material:DMDADAV548
- Model:DMDA-DAV@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 DMDADAV548 (DMDADAV548) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve. This direct-acting, balanced spool directional valve is designed for robust applications with a fatigue rating for 5000 psi (350 bar) service. The valve features closed transitions between Spools B and R to enhance performance by ensuring faster and more consistent response times, particularly suitable for pilot control applications where capacity is less critical. With no minimum hydraulic pressure required for operation, the DMDADAV548 offers versatility in integration and functionality. The model includes options such as the D or L control with a manual override detent mechanism designed primarily for temporary actuation, supporting a mechanical life expectancy of around 7,000 cycles. Additionally, this valve is compatible with EPDM seals specifically for use with phosphate ester fluids; however, it is sensitive to exposure to petroleum-based fluids which can damage the seals. The wet armature design of the valve allows the working fluid to surround the armature which can be a consideration if the coil remains energized over extended periods due to potential breakdown of certain fluids like water-glycol mixtures at high temperatures. For ease of maintenance and adaptability in system design, its coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. Furthermore, this model incorporates Sun's floating style construction which minimizes internal parts binding caused by excessive installation torque or variations in cavity/cartridge machining. With features like these combined into one unit, the DMDADAV548 stands out as a reliable choice for specialized hydraulic system applications requiring precise control and durability.
The Sun Hydraulics DMDADAV548 (DMDADAV548) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve. This direct-acting, balanced spool directional valve is designed for robust applications with a fatigue rating for 5000 psi (350 bar) service. The valve features closed transitions between Spools B and R to enhance performance by ensuring faster and more consistent response times, particularly suitable for pilot control applications where capacity is less critical. With no minimum hydraulic pressure required for operation, the DMDADAV548 offers versatility in integration and functionality. The model includes options such as the D or L control with a manual override detent mechanism designed primarily for temporary actuation, supporting a mechanical life expectancy of around 7,000 cycles. Additionally, this valve is compatible with EPDM seals specifically for use with phosphate ester fluids; however, it is sensitive to exposure to petroleum-based fluids which can damage the seals. The wet armature design of the valve allows the working fluid to surround the armature which can be a consideration if the coil remains energized over extended periods due to potential breakdown of certain fluids like water-glycol mixtures at high temperatures. For ease of maintenance and adaptability in system design, its coils are interchangeable with other Sun Series 1 solenoid products and can be mounted in either direction on the tube. Furthermore, this model incorporates Sun's floating style construction which minimizes internal parts binding caused by excessive installation torque or variations in cavity/cartridge machining. With features like these combined into one unit, the DMDADAV548 stands out as a reliable choice for specialized hydraulic system applications requiring precise control and durability.
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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