SUN HYDRAULICS
DNCALLN812N
$170.30 USD
Tags:
- SUN HYDRAULICS
- Material:DNCALLN812N
- Model:DNCA-LLN@812N
- 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 DNCALLN812N (DNCALLN812N) is a solenoid-operated, 4-way, 2-position cartridge valve designed for direct-acting and balanced spool directional control. This valve features a closed transition between positions, significantly reducing oil loss during shifting, which is crucial in pilot control circuits. The valve's capacity is optimized with port 3 as the inlet and port 1 as the tank; reverse flow is possible but not recommended due to potential performance issues. It operates efficiently at pressures up to 5000 psi (350 bar) without requiring minimum hydraulic pressure, thanks to its direct actuation. The DNCALLN812N uses a wet armature design that exposes the armature to the working fluid and heat generated by the coil\u2014important considerations for prolonged coil energization and fluid selection. Notably, EPDM seals are compatible with phosphate ester fluids but vulnerable to petroleum-based substances. This model offers various coil termination and voltage options, with some configurations providing surge protection and IP69K ratings for enhanced environmental resilience. Incorporating Sun's floating style construction minimizes binding risks due to installation torque or cavity machining variations. The valve supports a maximum flow capacity of 8 gpm (30 L/min) and features a quick response time of approximately 50 ms. It can handle up to 15,000 switching cycles per hour, ensuring robust performance in demanding applications. Manual override requires minimal force (5 lbs/1000 psi), and interchangeable coils facilitate compatibility with other Sun Series 1 solenoid products. The DNCALLN812N is designed for reliability and efficiency in hydraulic systems requiring precise directional control.
The Sun Hydraulics DNCALLN812N (DNCALLN812N) is a solenoid-operated, 4-way, 2-position cartridge valve designed for direct-acting and balanced spool directional control. This valve features a closed transition between positions, significantly reducing oil loss during shifting, which is crucial in pilot control circuits. The valve's capacity is optimized with port 3 as the inlet and port 1 as the tank; reverse flow is possible but not recommended due to potential performance issues. It operates efficiently at pressures up to 5000 psi (350 bar) without requiring minimum hydraulic pressure, thanks to its direct actuation. The DNCALLN812N uses a wet armature design that exposes the armature to the working fluid and heat generated by the coil\u2014important considerations for prolonged coil energization and fluid selection. Notably, EPDM seals are compatible with phosphate ester fluids but vulnerable to petroleum-based substances. This model offers various coil termination and voltage options, with some configurations providing surge protection and IP69K ratings for enhanced environmental resilience. Incorporating Sun's floating style construction minimizes binding risks due to installation torque or cavity machining variations. The valve supports a maximum flow capacity of 8 gpm (30 L/min) and features a quick response time of approximately 50 ms. It can handle up to 15,000 switching cycles per hour, ensuring robust performance in demanding applications. Manual override requires minimal force (5 lbs/1000 psi), and interchangeable coils facilitate compatibility with other Sun Series 1 solenoid products. The DNCALLN812N is designed for reliability and efficiency in hydraulic systems requiring precise directional control.
This solenoid-operated, 4-way, 2-position cartridge is a direct-acting, balanced spool directional valve. The transition between positions is closed. The closed transition greatly reduces the loss of oil when shifting which can be of particular importance in pilot control circuits.
- Valve capacity is based on port 3 as the inlet and port 1 as the tank. Although reverse flow is possible, the same performance cannot be guaranteed and is not recommended.
- The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
- This valve is direct actuated and requires no minimum hydraulic pressure for operation.
- 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.
- A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
- 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.
- Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted on the tube in either direction.
- 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-31A |
| Series | 1 |
| Capacity | 8 gpm30 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Response Time - Typical | 50 ms50 ms |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 10 in³/min.@3000 psi160 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: 990-431-006 |
| Seal and nut kit - Coil | Viton: 990-770-006Viton: 990-770-006 |
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