(34.4 € No tax)
Marchesini VBL/3 pilot-operated check valve, 1/4" to 1/2".
The VBL/3 is a single-acting, 3-way pilot-operated check valve with a high pilot ratio and a device that delays closing. It lets oil flow freely in one direction and only lets it back when pilot pressure is applied, which holds the cylinder in position. The manufacturer recommends it for circuits with heavy loads, where it helps to avoid vibration.
Maximum pressure 350 bar and G 1/4" pilot port on all sizes. Connect V to the supply, C to the actuator side that must be held and Pil to the pilot line. For use with open-centre directional or solenoid valves, the manufacturer asks to be consulted first.
Source: Oleodinamica Marchesini technical catalogue, section Single pilot operated check valves; Oleodinamica Marchesini general catalogue 2018.
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