SUN HYDRAULICS
DMDASAV248
$167.28 USD
- SUN HYDRAULICS
- Material:DMDASAV248
- Model:DMDA-SAV@248
- 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 DMDASAV248 (DMDASAV248) is a solenoid-operated 3-way, 2-position cartridge valve that features a direct-acting, balanced spool design. This model incorporates a soft shift option which moderates hydraulic shock during valve actuation, enhancing system longevity though it may not be ideal for applications requiring precise timing control. For such needs, Sun Hydraulics suggests considering their electro-proportional valves instead. The DMDASAV248 is designed to accommodate a maximum flow of 5 gpm (20 L/min) and can withstand pressures up to 5000 psi (350 bar). Its response time is notably slower than standard solenoids, varying from 150 ms to 300 ms depending on several factors including flow, pressure, coil voltage, oil viscosity, and ambient temperature. To ensure optimal performance of the soft shift feature, port 1 should maintain positive pressure. This model also includes a push-type manual override control and incorporates Sun's floating style construction which minimizes internal parts binding\u2014a common issue caused by excessive installation torque or variations in cavity/cartridge machining. The solenoid tube assembly of this valve is fatigue rated for high-pressure service up to 5000 psi (350 bar), making it robust for demanding applications. Seal options are available with EPDM for systems using phosphate ester fluids; however, these are not suitable for contact with petroleum-based fluids which can degrade the seals. The valve also employs a wet armature design where the working fluid surrounds the armature; this can affect fluid integrity if the coil remains energized over extended periods. Additional features include various coil connector options with ratings up to IP69K for enhanced environmental protection against harsh conditions. This model\u2019s efficient magnetic design ensures high spool actuating force per Watt expended, providing reliable operation and valve shifting capabilities under varied operational conditions.
The Sun Hydraulics DMDASAV248 (DMDASAV248) is a solenoid-operated 3-way, 2-position cartridge valve that features a direct-acting, balanced spool design. This model incorporates a soft shift option which moderates hydraulic shock during valve actuation, enhancing system longevity though it may not be ideal for applications requiring precise timing control. For such needs, Sun Hydraulics suggests considering their electro-proportional valves instead. The DMDASAV248 is designed to accommodate a maximum flow of 5 gpm (20 L/min) and can withstand pressures up to 5000 psi (350 bar). Its response time is notably slower than standard solenoids, varying from 150 ms to 300 ms depending on several factors including flow, pressure, coil voltage, oil viscosity, and ambient temperature. To ensure optimal performance of the soft shift feature, port 1 should maintain positive pressure. This model also includes a push-type manual override control and incorporates Sun's floating style construction which minimizes internal parts binding\u2014a common issue caused by excessive installation torque or variations in cavity/cartridge machining. The solenoid tube assembly of this valve is fatigue rated for high-pressure service up to 5000 psi (350 bar), making it robust for demanding applications. Seal options are available with EPDM for systems using phosphate ester fluids; however, these are not suitable for contact with petroleum-based fluids which can degrade the seals. The valve also employs a wet armature design where the working fluid surrounds the armature; this can affect fluid integrity if the coil remains energized over extended periods. Additional features include various coil connector options with ratings up to IP69K for enhanced environmental protection against harsh conditions. This model\u2019s efficient magnetic design ensures high spool actuating force per Watt expended, providing reliable operation and valve shifting capabilities under varied operational conditions.
This solenoid-operated 3-way, 2-position cartridge is a direct-acting, balanced spool directional valve.
- The soft shift cartridge is interchangeable with the standard cartridge, however, the performance limits are lower.
- The soft shift feature can greatly reduce shock due to valve actuation but should not be counted upon in applications where timing is critical. If you need accurate ramping or timing control, consider Sun's electro-proportional valves.
- The soft shift feature results in significant increase in response time over Sun's standard solenoid. Response time is dependent on flow, pressure, coil voltage, oil viscosity and ambient temperature. Typical response time ranges from 150 ms to 300 ms.
- For consistent soft shift performance, port 1 should be at a positive pressure.
- This valve includes a push-type manual override control. Other manual control options such as T or D, cannot be ordered with the soft shift control but can be installed easily in the field. See Twist/Lock Manual Override link above for details. Please note: Manual override functionality is not compatible with weatherized coils.
- The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
- 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.
- 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.
- 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-11A |
| Series | 1 |
| Capacity | 5 gpm20 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 5 in³/min.@3000 psi80 cc/min.@210 bar |
| 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 |
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