The Walvoil VBPDL05A06 is a high-performance single pilot operated check valve designed for hydraulic systems requiring secure load holding and controlled lowering. Featuring a robust steel body and hardened steel internal components, this valve ensures reliable operation up to 350 bar (5075 psi) maximum pressure and a maximum flow rate of 30 liters per minute (7.9 US gpm). It has a pilot ratio of 1:4.5 and a cracking pressure of 0.5 bar. The valve is equipped with 3/8" BSP A-B ports and a 1/4" BSP pilot port, making it suitable for various agricultural, construction, and industrial machinery applications. It operates effectively in temperatures ranging from -20°C to +100°C.