Oleodinamica Marchesini R1371 VS 1/2 bidirectional throttle screw

Oleodinamica Marchesini R1371 (VS 1/2) is a bidirectional throttle screw with a 1/2" BSP port thread and a maximum pressure rating of 350 bar. Its listed mass is 0.136 kg. The factory sheet gives overall dimension L1 = 62 mm and installation dimension L = 46 mm.

The screw mounts directly in an actuator port and provides coarse restriction in both flow directions when space does not permit an in-line restrictor. The manufacturer distinguishes it from a dedicated flow-regulator valve; it is not specified as providing equivalent regulation or security. No calibrated flow setting or maximum flow is listed.

The body is zinc-plated steel. Follow the original section drawing for the port engagement, adjustment screw and sealing arrangement. The sheet does not specify a seal compound, fluid-temperature range or pressure-compensated behaviour.

The local PDF retains the complete relevant original code tables, drawings and manufacturer conditions. Representative manufacturer product image for the VS series. Use the exact article drawing in the local PDF to check its connections and mounting arrangement.