SUN HYDRAULICS
DOFRXHV
$167.88 USD
- SUN HYDRAULICS
- Material:DOFRXHV
- Model:DOFR-XHV
- 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 DOFRXHV (Material Number: DOFRXHV) is a normally open, balanced poppet switching element designed for high-pressure hydraulic systems. This component remains open when the vent port 4 is blocked and shifts to a closed position when vented, given adequate pressure at port 3. It features a unique balanced construction that ensures reliable switching performance with pressures up to 5000 psi (350 bar) at both ports 1 and 2, while requiring a minimum pilot pressure of 400 psi (30 bar) at port 3. The valve opens if the pilot pressure drops below 145 psi (10 bar). Engineered for minimal leakage, it achieves a leakage rate of less than 10 drops/min at 5000 psi between ports 1 and 2. The ports are fully sealed from each other, with ports 3 and 4 positively sealed to prevent cross-contamination. This valve incorporates Sun's floating style construction, which mitigates the risk of internal parts binding due to excessive installation torque or machining variations in the cavity or cartridge. It is compatible with cavity T22A and has a capacity of handling flow rates up to 30 gpm (120 L/min). The valve requires an installation torque between 45 to 50 lbf ft (61 to 68 Nm) and weighs approximately .65 lb (0.30 kg). For optimal performance, it's recommended to use an external pilot switching valve like the Sun model DAA solenoid pilot valve that meets specific leakage rate requirements. This makes it suitable for applications demanding precise control in high-pressure hydraulic circuits.
The Sun Hydraulics DOFRXHV (Material Number: DOFRXHV) is a normally open, balanced poppet switching element designed for high-pressure hydraulic systems. This component remains open when the vent port 4 is blocked and shifts to a closed position when vented, given adequate pressure at port 3. It features a unique balanced construction that ensures reliable switching performance with pressures up to 5000 psi (350 bar) at both ports 1 and 2, while requiring a minimum pilot pressure of 400 psi (30 bar) at port 3. The valve opens if the pilot pressure drops below 145 psi (10 bar). Engineered for minimal leakage, it achieves a leakage rate of less than 10 drops/min at 5000 psi between ports 1 and 2. The ports are fully sealed from each other, with ports 3 and 4 positively sealed to prevent cross-contamination. This valve incorporates Sun's floating style construction, which mitigates the risk of internal parts binding due to excessive installation torque or machining variations in the cavity or cartridge. It is compatible with cavity T22A and has a capacity of handling flow rates up to 30 gpm (120 L/min). The valve requires an installation torque between 45 to 50 lbf ft (61 to 68 Nm) and weighs approximately .65 lb (0.30 kg). For optimal performance, it's recommended to use an external pilot switching valve like the Sun model DAA solenoid pilot valve that meets specific leakage rate requirements. This makes it suitable for applications demanding precise control in high-pressure hydraulic circuits.
This is a normally open, balanced poppet, switching element. When the vent port (port 4) is blocked, the poppet remains in the open position. Venting port 4 shifts it to the closed 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.
- Valve will open when the pilot pressure falls below 145 psi (10 bar).
- 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.
- 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).
- 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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