SUN HYDRAULICS
DKDPKAN
- SUN HYDRAULICS
- Material:DKDPKAN
- Model:DKDP-KAN
- Summary:Cartridge
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***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 DKDPKAN (DKDPKAN) is a high-performance hydraulic valve designed for precise control in fluid power applications. This normally closed, balanced poppet, switching element operates with a unique construction that ensures predictable switching under high-pressure conditions up to 5000 psi (350 bar) at both port 1 and port 2. The valve features an integral pilot relief stage which allows the poppet to shift to an open position once the pilot pressure at port 3 exceeds the pre-set value. The DKDPKAN valve is designed to handle a maximum flow rate of 15 gpm (60 L/min), with minimal leakage between port 1 and port 2, typically less than 10 drops/min at maximum pressure. It incorporates Sun's floating style construction which minimizes potential binding of internal parts due to installation torque or variations in cavity/cartridge machining. This design feature enhances the reliability and longevity of the valve in demanding operational environments. With ports that are fully sealed to prevent cross-port contamination and backpressure at the drain port directly additive to the valve setting, this model maintains high performance even under varied pressure conditions. The reseating of the valve occurs when pilot pressure falls to 85% of the cracking value, ensuring efficient operation and reduced risk of system failures. Key specifications include a maximum operating pressure of 5000 psi (350 bar), minimum pilot pressure required to shift the valve at 400 psi (28 bar), and standard cavity T21A compatibility. The valve also features robust construction details such as a hex size for installation at 7/8 in. (22.2 mm) and an adjustment screw internal hex size of 5/32 in. (4 mm). These technical specifications make the DKDPKAN ideal for applications requiring reliable high-pressure performance and precise fluid control.
The Sun Hydraulics DKDPKAN (DKDPKAN) is a high-performance hydraulic valve designed for precise control in fluid power applications. This normally closed, balanced poppet, switching element operates with a unique construction that ensures predictable switching under high-pressure conditions up to 5000 psi (350 bar) at both port 1 and port 2. The valve features an integral pilot relief stage which allows the poppet to shift to an open position once the pilot pressure at port 3 exceeds the pre-set value. The DKDPKAN valve is designed to handle a maximum flow rate of 15 gpm (60 L/min), with minimal leakage between port 1 and port 2, typically less than 10 drops/min at maximum pressure. It incorporates Sun's floating style construction which minimizes potential binding of internal parts due to installation torque or variations in cavity/cartridge machining. This design feature enhances the reliability and longevity of the valve in demanding operational environments. With ports that are fully sealed to prevent cross-port contamination and backpressure at the drain port directly additive to the valve setting, this model maintains high performance even under varied pressure conditions. The reseating of the valve occurs when pilot pressure falls to 85% of the cracking value, ensuring efficient operation and reduced risk of system failures. Key specifications include a maximum operating pressure of 5000 psi (350 bar), minimum pilot pressure required to shift the valve at 400 psi (28 bar), and standard cavity T21A compatibility. The valve also features robust construction details such as a hex size for installation at 7/8 in. (22.2 mm) and an adjustment screw internal hex size of 5/32 in. (4 mm). These technical specifications make the DKDPKAN ideal for applications requiring reliable high-pressure performance and precise fluid control.
This is a normally closed, balanced poppet, switching element. When pilot pressure is applied to port 3, the poppet remains closed until the pilot pressure reaches the setting established by the integral pilot relief stage, at which point the poppet shifts to the open position.
- Unique balanced construction provides predictable switching with 5000 psi (350 bar) at both port 1 and port 2. When the remote pressure signal at port 3 exceeds the internal valve setting, the valve shifts to the open position.
- Any backpressure at the drain port is directly additive to the valve setting.
- Valve will reseat when the pilot pressure falls to 85% of the cracking value.
- Port 1 and port 2 are fully sealed from port 3 and port 4. Ports 3 and 4 are positively sealed.
- Leakage rate between port 1 and port 2 is very low, typically less than 10 drops/min. at 5000 psi (0,7 cc/min at 350 bar).
- All ports will accept 5000 psi (350 bar).
- 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-21A |
| Series | 1 |
| Capacity | 15 gpm60 L/min. |
| Minimum Pilot Pressure Required to Shift Valve | 400 psi28 bar |
| Maximum Operating Pressure | 5000 psi350 bar |
| Control Pilot Flow | See Performance DataSee Performance Data |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 10 drops/min.@5000 psi0,7 cc/min.@350 bar |
| Valve Hex Size | 7/8 in.22,2 mm |
| Valve Installation Torque | 30 - 35 lbf ft41 - 47 Nm |
| Adjustment Screw Internal Hex Size | 5/32 in.4 mm |
| Locknut Hex Size | 9/16 in.15 mm |
| Locknut Torque | 80 - 90 lbf in.9 - 10 Nm |
| Seal kit - Cartridge | Viton: 990-021-006 |
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