(35.05 € No tax)
Marchesini VBPSE single-acting pilot-operated check valve, 3/8" to 3/4".
The VBPSE is a 4-way single pilot-operated check valve: it holds the cylinder in one direction only. C1 goes to the free-flow side of the actuator and C2 to the side that must be held; V1 and V2 go to the directional valve. Oil from C2 only leaves when the other line receives pilot pressure. Guided-cone sealing, no leakage.
Maximum pressure 350 bar. The PS version is not affected by back pressure on line V, and the manufacturer recommends it for two or more cylinders in parallel, with a flow control valve, for balanced lowering. The other versions have a zinc-plated steel body and NBR seals.
Source: Oleodinamica Marchesini technical catalogue, section Single pilot operated check valves; Oleodinamica Marchesini general catalogue 2018.
Data sheet
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