SUN HYDRAULICS
DOHCXHN
$273.61 USD
- SUN HYDRAULICS
- Material:DOHCXHN
- Model:DOHC-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 DOHCXHN (DOHCXHN) is a normally open, balanced poppet switching element designed for high-pressure hydraulic systems. This valve features a unique balanced construction that ensures reliable switching at pressures up to 5000 psi (350 bar) across ports 1 and 2, provided the external drain is open and the pilot pressure is maintained at a minimum of 300 psi (20 bar). The valve exhibits an impressively low leakage rate between port 1 and port 2, typically less than 10 drops per minute at maximum pressure. It is hydraulically balanced between these ports, ensuring stability and performance in demanding applications. The valve will automatically open when pilot pressure drops below 145 psi (10 bar), making it suitable for applications requiring precise control under varying conditions. It can be configured with either an external atmospheric vent (X control) or a static external drain (E control), offering versatility for different circuit requirements. The three-port vented logic elements with X control are particularly useful in solving issues in existing circuits that use non-vented valves, while four-port configurations are recommended for new applications. With a capacity of handling flow rates up to 60 gpm (240 L/min), this valve integrates Sun's floating style construction to prevent internal binding due to installation torque or machining variations. The DOHCXHN fits into the T-17A cavity and requires an installation torque of 150-160 lbf\u00b7ft (203-217 Nm). For maintenance, a Viton seal kit is available under part number 990017006. This robust design makes it ideal for applications requiring high reliability and minimal maintenance in hydraulic systems.
The Sun Hydraulics DOHCXHN (DOHCXHN) is a normally open, balanced poppet switching element designed for high-pressure hydraulic systems. This valve features a unique balanced construction that ensures reliable switching at pressures up to 5000 psi (350 bar) across ports 1 and 2, provided the external drain is open and the pilot pressure is maintained at a minimum of 300 psi (20 bar). The valve exhibits an impressively low leakage rate between port 1 and port 2, typically less than 10 drops per minute at maximum pressure. It is hydraulically balanced between these ports, ensuring stability and performance in demanding applications. The valve will automatically open when pilot pressure drops below 145 psi (10 bar), making it suitable for applications requiring precise control under varying conditions. It can be configured with either an external atmospheric vent (X control) or a static external drain (E control), offering versatility for different circuit requirements. The three-port vented logic elements with X control are particularly useful in solving issues in existing circuits that use non-vented valves, while four-port configurations are recommended for new applications. With a capacity of handling flow rates up to 60 gpm (240 L/min), this valve integrates Sun's floating style construction to prevent internal binding due to installation torque or machining variations. The DOHCXHN fits into the T-17A cavity and requires an installation torque of 150-160 lbf\u00b7ft (203-217 Nm). For maintenance, a Viton seal kit is available under part number 990017006. This robust design makes it ideal for applications requiring high reliability and minimal maintenance in hydraulic systems.
This is a normally open, balanced poppet, switching element. Pilot pressure at port 3 shifts the valve to the closed position.
- Unique balanced construction provides predictable switching with 5000 psi (350 bar) at both ports 1 and 2, with the external drain open and a minimum pilot pressure of 300 psi (20 bar).
- 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).
- These valves are hydraulically balanced between port 1 and port 2.
- Valve will open when the pilot pressure falls below 145 psi (10 bar).
- These 3-port balanced logic valves use the same cavity as unbalanced logic valves of the same frame size and can be considered functional replacements.
- Available in external atmospheric vent (X control) or static external drain (E control) configurations.
- Three-port vented logic elements with the X control are atmospherically referenced and considered problem solvers for existing circuits using non-vented valves. Over time, these valves will eventually leak externally and/or allow moisture into the spring chamber. Four-port valves are recommended for new applications. Alternately, the external vent port can be connected to drain if the static drain port option (control option E) is selected. Removing the vent plug will convert an X control to an E control.
- Port 1 and port 2 are fully sealed from port 3.
- 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-17A |
| Series | 3 |
| Capacity | 60 gpm240 L/min. |
| Minimum Pilot Pressure Required to Shift Valve | 300 psi20 bar |
| Maximum Operating Pressure | 5000 psi350 bar |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 10 drops/min.@5000 psi0,7 cc/min.@350 bar |
| Pilot Volume Displacement | .05 in³0,82 cc |
| Valve Hex Size | 1 1/4 in.31,8 mm |
| Valve Installation Torque | 150 - 160 lbf ft203 - 217 Nm |
| Seal kit - Cartridge | Viton: 990-017-006 |
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