1CLLR100-F-35-S-XXX

The 1CLLR100-F-35-S-XXX relief valve belongs to the Relief Valves series and is produced by Vickers for hydraulic automation where controlled pressure limitation is required. It operates as a direct acting valve, so system pressure acts directly on the poppet for fast response. The screw-in cartridge installation type lets the unit seat directly in a manifold bore to minimize external piping. Pressure is adjusted with a screw mechanism, allowing precise field tuning without additional hardware. A factory set pressure of 232 bar provides a known opening point at installation, while the minimum working pressure of 114 bar defines the lowest level at which sealing remains reliable. The pressure rating of 350 bar establishes the maximum safe limit for high-pressure circuits, and a flow capacity of 150 L/min supports medium-to-high flow branches. The cartridge-only port type ties the unit exclusively to manifolds designed for this relief function.

The valve fits the A878 cavity, enabling straightforward interchange with other components machined to the same profile. Overall length is 105.156 mm, and both width and height are 25.400 mm, dimensions that help it fit into tight manifold stacks while maintaining sufficient wall thickness for strength. The design provides two valve ports to connect pressure and tank lines, and two housing ports so the manifold passages align correctly with the internal flow path. Internal leakage is limited to 5 cc/min, which reduces heat generation and maintains efficiency when the valve is closed. By keeping these physical and flow characteristics within their stated limits, the 1CLLR100-F-35-S-XXX maintains consistent pressure relief behavior in compact hydraulic assemblies.