SUN HYDRAULICS
DKFRXHN
$158.85 USD
- SUN HYDRAULICS
- Material:DKFRXHN
- Model:DKFR-XHN
- 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 DKFRXHN (DKFRXHN) is a high-performance hydraulic valve designed for precise fluid control in various applications. This model features a normally closed, balanced poppet switching element that operates reliably under high pressure. The valve remains closed when the vent port (port 4) is blocked and shifts to the open position when port 4 is vented, provided there is adequate pressure at port 3. It supports a maximum operating pressure of 5000 psi (350 bar) at ports 1 and 2, with predictable switching behavior due to its unique balanced construction. The DKFRXHN ensures minimal leakage between ports 1 and 2, typically less than 10 drops per minute at maximum pressure, contributing to efficient system performance. Additionally, the valve will reseat when pilot pressure falls below 145 psi (10 bar). For enhanced functionality, port 4 can be externally connected to a pilot switching valve like the Sun model DAA solenoid pilot valve, which matches the leakage rate and flow requirements. Designed with Sun's floating style construction, the DKFRXHN minimizes internal parts binding that might occur due to excessive installation torque or cavity/cartridge machining variations. This feature helps maintain consistent operation and longevity of the valve. The unit fits in a T22A cavity and can handle up to 30 gpm (120 L/min) capacity. Installation requires a specific torque of about 45 - 50 lbf ft (61 - 68 Nm), and it has a compact weight of approximately .65 lb (0.30 kg). The valve accommodates Viton seals for reliable performance across various temperature ranges and environmental conditions.
The Sun Hydraulics DKFRXHN (DKFRXHN) is a high-performance hydraulic valve designed for precise fluid control in various applications. This model features a normally closed, balanced poppet switching element that operates reliably under high pressure. The valve remains closed when the vent port (port 4) is blocked and shifts to the open position when port 4 is vented, provided there is adequate pressure at port 3. It supports a maximum operating pressure of 5000 psi (350 bar) at ports 1 and 2, with predictable switching behavior due to its unique balanced construction. The DKFRXHN ensures minimal leakage between ports 1 and 2, typically less than 10 drops per minute at maximum pressure, contributing to efficient system performance. Additionally, the valve will reseat when pilot pressure falls below 145 psi (10 bar). For enhanced functionality, port 4 can be externally connected to a pilot switching valve like the Sun model DAA solenoid pilot valve, which matches the leakage rate and flow requirements. Designed with Sun's floating style construction, the DKFRXHN minimizes internal parts binding that might occur due to excessive installation torque or cavity/cartridge machining variations. This feature helps maintain consistent operation and longevity of the valve. The unit fits in a T22A cavity and can handle up to 30 gpm (120 L/min) capacity. Installation requires a specific torque of about 45 - 50 lbf ft (61 - 68 Nm), and it has a compact weight of approximately .65 lb (0.30 kg). The valve accommodates Viton seals for reliable performance across various temperature ranges and environmental conditions.
This is a normally closed, balanced poppet, switching element. When the vent port (port 4) is blocked, the poppet remains in the closed position. Venting port 4 shifts it to the open position, provided there is sufficient pressure at port 3.
- Unique balanced construction provides predictable switching with 5000 psi (350 bar) at both ports 1 and 2, with the vent (port 4) open and a minimum pilot pressure of 400 psi (30 bar) at port 3.
- 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).
- Valve will reseat when the pilot pressure falls below 145 psi (10 bar).
- Port 4 may be externally connected to a pilot switching valve. The pilot valve should have a leakage rate of less than 10 drops/min. and be able to satisfy the pilot flow requirements. Sun model DAA*-*** solenoid pilot valve is ideal for this application.
- 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-22A |
| Series | 2 |
| Capacity | 30 gpm120 L/min. |
| Minimum Pilot Pressure Required to Shift Valve | 300 psi20 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 | 1 1/8 in.28,6 mm |
| Valve Installation Torque | 45 - 50 lbf ft61 - 68 Nm |
| Model Weight | .65 lb0,30 kg |
| Seal kit - Cartridge | Viton: 990-022-006 |
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