The Parker R10R35S4SN40 is a high-performance, pilot-operated relief valve designed for precise pressure control in demanding hydraulic systems. As part of Parker’s R-series, this NG10 (CETOP 5) valve provides reliable system protection by limiting pressure to a preset maximum. This specific model features a solenoid-operated, two-pressure setting capability, allowing for dynamic adjustment between two different pressure levels via a 24V DC electrical signal. Its robust construction ensures long service life and consistent performance in various industrial applications. The R10R35S4SN40 mounts to a standard ISO 6264 subplate, making it easy to integrate into new or existing hydraulic circuits requiring dependable and versatile pressure limitation.