The SD4 Series High Pressure Valve is a high-performance, 1-spool, manual control valve designed for demanding applications in the construction, agriculture, material handling, and industrial vehicle industries. It features a compact and robust monoblock structure, a rated flow of 40 L/min (10.5 US gpm), and a maximum pressure of 230 bar (3300 psi). The valve is designed for use with hydraulic fluids with a viscosity range of 15 - 75 mm²/s (15 cSt to 75 cSt) and can operate in ambient temperatures ranging from -40°C to +60°C (-40°F to +140°F), -40°C to +80°C (-40°F to +176°F), or -20°C to +80°C (-4°F to +176°F). The SD4 Series valve is available in custom configurations and is factory direct, offering a cost-effective and reliable solution for a wide range of applications. Common applications include telehandlers, forklifts, all-terrain cranes, stackers, aerial platforms, motor graders, midi excavators, mini excavators, skid steer loaders, compact wheel loaders, and wheel loaders.