SUN HYDRAULICS
FQBAXAN

***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 FQBAXAN (FQBAXAN) is a flow fuse cartridge designed to maintain the position of a hydraulic actuator in case of a hose or line break. This valve permits flow to and from the actuator but closes instantly if the flow from the actuator surpasses the valve's set limit. Due to its rapid response, it is sensitive to any transient flow above its setting. Customers must specify a flow rating when ordering, with factory-set flow ratings within 15% of the requested setting. The valve closes when flow from port 1 to port 2 exceeds its setting and resets when pressures at both ports are equal. It is recommended that the flow setting be at least 25% above maximum normal system flow to prevent false tripping. The FQBAXAN features a spool-type construction, which may result in some leakage and potential actuator drift. It incorporates Sun's floating style construction, minimizing internal parts binding due to excessive installation torque or cavity/cartridge machining variations. The valve fits into a T-162A cavity, has a series designation of 0, and offers a capacity of 2.25 gpm (8.5 L/min). It can operate under maximum pressures of up to 5000 psi (350 bar) with maximum valve leakage at 110 SUS (24 cSt) being 1 in\u00b3/min/1000 psi (15 cc/min/70 bar). The valve hex size measures 3/4 inch (19.1 mm), with an installation torque specification between 20-25 lbf ft (27-34 Nm). For sealing, it uses Viton material with seal kit part number 990162006. This product is specifically designed for hydraulic systems requiring reliable prevention against uncontrolled actuator movement due to hose failure but should not be used for preventing oil loss or providing fire protection.