UP10-40H-0-N-70-30/21.5 CARTRIDGE

***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 Hydraforce directly.***
The Hydraforce 5621340.21.5 (5621340.21.5) is a screw-in, cartridge-style remote sequence pilot unloading valve, specifically designed for accumulator-type hydraulic systems. Known as the UP10-40X, this valve offers optional fixed unload/reload pressure ratios of 60%, 70%, or 80%. In its normal state, it effectively blocks flow from port 2 to port 3. When a predetermined pressure is reached at port 1, the spool shifts to permit flow between these ports. The spring chamber vents to port 4 during operation. Should the pressure at port 1 fall below the established reload value, the valve will close and block flow once more from port 2 to port 3. Notably, adjustments on this valve are designed such that they cannot be backed out and prevent springs from becoming solid, enhancing reliability and performance consistency. The inclusion of a hardened precision spool and cage ensures long-lasting durability in demanding environments. Additionally, its industry-common size allows for easy integration into existing hydraulic systems without requiring extensive modifications or custom fittings. This versatile component is ideal for applications where precise control over hydraulic flow is necessary and where system efficiency can be improved through effective management of unloading pressures in accumulator circuits.