Marchesini VBPDE FL double-acting pilot-operated check valve, flanged.
The VBPDE FL is the flange-mounted version of the double pilot-operated check valve: ports C1 and C2 are on one face with O-ring seats, and the valve bolts directly onto the cylinder, with no pipes in between. It locks the cylinder in both directions until pilot pressure arrives from the opposite side, with guided-cone sealing and no leakage.
Maximum pressure 350 bar. Zinc-plated steel body, NBR seals. To mount the valve away from the cylinder, Marchesini has dedicated subplates: B5000 for the 3/8" and B5500 for the 1/2". Check the hole pattern on the cylinder face before ordering.
Source: Oleodinamica Marchesini technical catalogue, section Double pilot operated check valves.
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