SUN HYDRAULICS
DMDALRN712
$224.28 USD
- SUN HYDRAULICS
- Material:DMDALRN712
- Model:DMDA-LRN@712
- 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 DMDALRN712 (DMDALRN712) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for hydraulic systems. This direct-acting, balanced spool directional valve is equipped with a fatigue-rated solenoid tube assembly suitable for service up to 5000 psi (350 bar). It features closed transitions between spools B and R, enhancing performance by ensuring faster and more consistent response times, particularly beneficial in pilot control applications where capacity is less critical. The valve operates without the need for minimum hydraulic pressure and includes manual override options with a mechanical life expectancy of about 7,000 cycles. The DMDALRN712 is configured with EPDM seals specifically for use with phosphate ester fluids; however, these seals are susceptible to damage when exposed to petroleum-based fluids. Its wet armature design allows the working fluid to surround the armature, which can be a consideration if the coil remains energized for extended periods due to potential breakdowns in certain fluid types. This model also features interchangeable coils compatible with other Sun Series 1 solenoid products and incorporates Sun's floating style construction to reduce risks of internal parts binding from excessive installation torque or cavity/cartridge machining variations. With a flow capacity of up to 12 gpm (45 L/min) and a swift typical response time of 50 ms, the DMDALRN712 provides efficient switching capabilities up to 15,000 cycles per hour. The manual override requires minimal force, making temporary actuation straightforward under various pressure conditions. This robust construction and versatile design make the DMDALRN712 an ideal choice for demanding hydraulic applications requiring precise control and reliability.
The Sun Hydraulics DMDALRN712 (DMDALRN712) is a high-performance solenoid-operated 3-way, 2-position cartridge valve designed for hydraulic systems. This direct-acting, balanced spool directional valve is equipped with a fatigue-rated solenoid tube assembly suitable for service up to 5000 psi (350 bar). It features closed transitions between spools B and R, enhancing performance by ensuring faster and more consistent response times, particularly beneficial in pilot control applications where capacity is less critical. The valve operates without the need for minimum hydraulic pressure and includes manual override options with a mechanical life expectancy of about 7,000 cycles. The DMDALRN712 is configured with EPDM seals specifically for use with phosphate ester fluids; however, these seals are susceptible to damage when exposed to petroleum-based fluids. Its wet armature design allows the working fluid to surround the armature, which can be a consideration if the coil remains energized for extended periods due to potential breakdowns in certain fluid types. This model also features interchangeable coils compatible with other Sun Series 1 solenoid products and incorporates Sun's floating style construction to reduce risks of internal parts binding from excessive installation torque or cavity/cartridge machining variations. With a flow capacity of up to 12 gpm (45 L/min) and a swift typical response time of 50 ms, the DMDALRN712 provides efficient switching capabilities up to 15,000 cycles per hour. The manual override requires minimal force, making temporary actuation straightforward under various pressure conditions. This robust construction and versatile design make the DMDALRN712 an ideal choice for demanding hydraulic applications requiring precise control and reliability.
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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