SUN HYDRAULICS
DSGHXHN

***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 DSGHXHN (DSGHXHN) is a lowside hot oil shuttle cartridge designed for closed loop systems to effectively divert hot oil from the low-pressure side. It features a spring-centered spool that blocks all ports when work ports 2 and 4 are at equal pressures. When one work port experiences higher pressure, the opposite port connects to the common port, port 3. The valve incorporates a hydraulic stop to prevent mechanical impact, reducing potential internal damage. This stop results in a minor pilot flow from the high-pressure work port to the common port, allowing confirmation of the hot oil relief setting with the transmission in neutral. Users should exercise caution when selecting shift pressure due to possible inadvertent shifts caused by low shift values and charge pump pressure alone. Although designed for a 4-port cavity, it does not utilize nose port 1. The DSGHXHN model employs Sun's floating style construction, minimizing internal part binding due to excessive installation torque or machining variations. It fits into cavity T33A, belongs to series 3, and has a capacity of up to 40 gpm (160 L/min). The maximum operating pressure is rated at 5000 psi (350 bar) with a pilot flow of 46 in\u00b3/min (0.75 L/min). The valve's hex size measures 1-1/4 inches (31.8 mm), with an installation torque requirement of 150\u2013160 lbf ft (203\u2013217 Nm). Weighing approximately 1.40 lb (0.65 kg), it is compatible with Viton seal kits under part number 990033006.