DB20G2-5X/420XSO699

***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 Bosch Rexroth directly.***
The Bosch Rexroth DB20G2-5X/420XSO699 (R901049530) is a sophisticated pilot-operated pressure relief valve designed for controlling operating pressure within hydraulic systems. This valve is primarily utilized to limit the operating pressure by employing a main valve with a spool insert and a pilot control valve that includes a pressure adjustment element. The DB20G2-5X/420XSO699 operates by allowing the pressure in channel P to act on the main spool while also being applied to the spring-loaded side of this spool and to the ball in the pilot control valve through control lines equipped with nozzles. When the pressure in channel P surpasses the set value on the spring, the ball opens against this spring, allowing hydraulic fluid from the spring-loaded side of the main spool to flow into the tank via internal or external paths depending on whether it is type DB or type DBY. This action helps maintain a consistent operating pressure as it enables fluid flow from channel P to channel T. The valve features various adjustment types for setting and modifying pressure, including options such as a rotary knob, sleeve with hexagon and protective cap, lockable rotary knob with scale, and rotary knob with scale. These features offer versatility for precise control according to user needs. For mounting flexibility, this model is designed for subplate mounting with porting patterns conforming to ISO standards NG6, NG10, and NG25. It can also be utilized as a screw-in cartridge valve for threaded connections. Additionally, users can benefit from its ability to be unloaded or switched to another secondary pressure rating via port X. The Bosch Rexroth DB20G2-5X/420XSO699 offers corrosion protection ensuring durability and longevity in various environments where it may be deployed. Its robust design and multiple adjustment capabilities make it an essential component for hydraulic applications requiring precise pressure relief functions.