SUN HYDRAULICS
DKJR8HV
$532.05 USD
- SUN HYDRAULICS
- Material:DKJR8HV
- Model:DKJR-8HV
- 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 DKJR8HV (DKJR8HV) is a high-performance, normally closed, balanced poppet switching element designed for advanced hydraulic control systems. Integrated with a T8A control cavity, this model ensures reliable operation by maintaining the poppet in a closed position until the 2-way valve in the cavity is activated, allowing the poppet to shift to an open position when sufficient pressure is present at port 3. This valve is engineered to support maximum operating pressures up to 5000 psi (350 bar) at both port 1 and port 2, with a unique balanced construction that allows for predictable switching under these conditions. Key features of the DKJR8HV include full sealing between port 1 and port 2 from ports 3 and 4, ensuring no leakage occurs even under high pressure. The valve also boasts an exceptionally low leakage rate between port 1 and port 2, typically less than 10 drops/min at maximum pressure. It requires a minimum pilot pressure of 400 psi (30 bar) to shift, and will reseat automatically when pilot pressure falls below approximately 145 psi (10 bar). Additionally, any backpressure at the drain port directly adds to the required pilot pressure for operation. The DKJR8HV incorporates Sun\u2019s floating style construction which minimizes internal parts binding due to excessive installation torque or variations in machining of cavity/cartridge. This valve's robust design makes it ideal for applications requiring precise hydraulic flow control under varying operational conditions. All ports on this model are compatible with pressures up to 5000 psi (350 bar), making it versatile across different hydraulic setups.
The Sun Hydraulics DKJR8HV (DKJR8HV) is a high-performance, normally closed, balanced poppet switching element designed for advanced hydraulic control systems. Integrated with a T8A control cavity, this model ensures reliable operation by maintaining the poppet in a closed position until the 2-way valve in the cavity is activated, allowing the poppet to shift to an open position when sufficient pressure is present at port 3. This valve is engineered to support maximum operating pressures up to 5000 psi (350 bar) at both port 1 and port 2, with a unique balanced construction that allows for predictable switching under these conditions. Key features of the DKJR8HV include full sealing between port 1 and port 2 from ports 3 and 4, ensuring no leakage occurs even under high pressure. The valve also boasts an exceptionally low leakage rate between port 1 and port 2, typically less than 10 drops/min at maximum pressure. It requires a minimum pilot pressure of 400 psi (30 bar) to shift, and will reseat automatically when pilot pressure falls below approximately 145 psi (10 bar). Additionally, any backpressure at the drain port directly adds to the required pilot pressure for operation. The DKJR8HV incorporates Sun\u2019s floating style construction which minimizes internal parts binding due to excessive installation torque or variations in machining of cavity/cartridge. This valve's robust design makes it ideal for applications requiring precise hydraulic flow control under varying operational conditions. All ports on this model are compatible with pressures up to 5000 psi (350 bar), making it versatile across different hydraulic setups.
This is a normally closed, balanced poppet, switching element with an integral T-8A control cavity. With a 2-way valve in the closed position installed in the T-8A control cavity, the poppet remains closed. Opening the 2-way valve shifts the poppet to the open position, provided there is sufficient pressure at port 3.
- Unique balanced construction provides predictable switching with 5000 psi (350 bar) at port 1 and port 2. Switching will only occur when both a minimum pilot pressure of 400 psi (30 bar) is present and pilot control valve is open.
- These valves are hydraulically balanced between port 1 and port 2.
- Port 1 and port 2 are fully sealed from port 3 and port 4. Ports 3 and 4 are positively sealed.
- Any backpressure at the drain port is directly additive to the required pilot pressure for reliable operation.
- 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).
- NOTE: With the -8 control option, the main stage valve should first be installed to the correct torque value. The T-8A pilot control valve should then be installed into the main stage valve to its required torque value.
- The -8 control option allows the pilot control valve to be incorporated directly into the end of the logic cartridge via the T-8A cavity. These pilot control cartridges are sold separately and include electro-proportional, solenoid, air pilot, and hydraulic pilot operation. See Pilot Control Cartridges.
- 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-24A |
| Series | 4 |
| Capacity | 120 gpm480 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 |
| Pilot Control Cavity | T-8AT-8A |
| Pilot Control Valve Installation Torque | 20 - 25 lbf ft27 - 33 Nm |
| Pilot Control Valve Hex Size | 7/8 in.22,2 mm |
| Valve Hex Size | 1 5/8 in.41,3 mm |
| Valve Installation Torque | 350 - 375 lbf ft474 - 508 Nm |
| Model Weight | 2.50 lb1,15 kg |
| Seal kit - Cartridge | Viton: 990-024-006 |
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