SUN HYDRAULICS
DMDAXBN812
$147.83 USD
- SUN HYDRAULICS
- Material:DMDAXBN812
- Model:DMDA-XBN@812
- 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 DMDAXBN812 (DMDAXBN812) is a solenoid-operated 3-way, 2-position cartridge valve designed for high-performance hydraulic systems. This direct-acting, balanced spool directional valve ensures precise control and operation in various applications. The valve features a fatigue-rated solenoid tube assembly for up to 5000 psi (350 bar) service, making it suitable for rigorous industrial use. It operates effectively without minimum hydraulic pressure, enhancing its versatility across different hydraulic setups. The DMDAXBN812 incorporates closed transitions between Spools B and R, optimizing performance by providing faster and more consistent response times especially in pilot control applications where capacity is less critical. It also includes manual override options with a detent mechanism designed for temporary actuation, supporting mechanical life expectancy of around 7,000 cycles. Configured with EPDM seals, this model is specifically intended for systems using phosphate ester fluids; however, it should not be exposed to petroleum-based fluids as they can damage the seals. The wet armature design of the valve allows the working fluid to surround the armature which could be a consideration during extended periods of coil energization due to potential breakdown of certain fluid types like water-glycol mixtures. This model also benefits from interchangeable coils compatible with other Sun Series 1 solenoid products and features Sun's floating style construction which minimizes internal parts binding caused by excessive installation torque or variations in cavity/cartridge machining. With a maximum operating pressure of 5000 psi and flow capacity up to 12 gpm (45 L/min), alongside quick response times typically around 50 ms, the DMDAXBN812 is engineered for both reliability and high efficiency in demanding operational conditions.
The Sun Hydraulics DMDAXBN812 (DMDAXBN812) is a solenoid-operated 3-way, 2-position cartridge valve designed for high-performance hydraulic systems. This direct-acting, balanced spool directional valve ensures precise control and operation in various applications. The valve features a fatigue-rated solenoid tube assembly for up to 5000 psi (350 bar) service, making it suitable for rigorous industrial use. It operates effectively without minimum hydraulic pressure, enhancing its versatility across different hydraulic setups. The DMDAXBN812 incorporates closed transitions between Spools B and R, optimizing performance by providing faster and more consistent response times especially in pilot control applications where capacity is less critical. It also includes manual override options with a detent mechanism designed for temporary actuation, supporting mechanical life expectancy of around 7,000 cycles. Configured with EPDM seals, this model is specifically intended for systems using phosphate ester fluids; however, it should not be exposed to petroleum-based fluids as they can damage the seals. The wet armature design of the valve allows the working fluid to surround the armature which could be a consideration during extended periods of coil energization due to potential breakdown of certain fluid types like water-glycol mixtures. This model also benefits from interchangeable coils compatible with other Sun Series 1 solenoid products and features Sun's floating style construction which minimizes internal parts binding caused by excessive installation torque or variations in cavity/cartridge machining. With a maximum operating pressure of 5000 psi and flow capacity up to 12 gpm (45 L/min), alongside quick response times typically around 50 ms, the DMDAXBN812 is engineered for both reliability and high efficiency 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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