Oleodinamica Marchesini V1447 VBCD DE NG10 CETOP 5 CC double counterbalance valve

Oleodinamica Marchesini V1447 is the VBCD DE NG10 CETOP 5 CC double counterbalance valve, listed for maximum flow of 80 l/min and maximum operating pressure of 350 bar. The current factory article table gives a mass of 4.645 kg.

The factory pilot-ratio designation is 1:4.5. The valve controls the return flow of an overrunning load and holds the actuator when the directional valve is idle. The two cross-piloted branches control the actuator in both directions; supply pressure on one side opens the corresponding return-side counterbalance branch.

This is a NG10 / CETOP 5 sandwich module controlling line A and B. Align the P/T/A/B interface pattern, four 6.5 mm mounting holes and O-ring 2-014 seats with the valve stack. The mounting face uses the CETOP port pattern rather than BSP pipe threads.

The CC designation identifies the closed-centre execution. The manufacturer describes this execution as insensitive to back pressure, allowing the stated series-actuator arrangement. It is distinct from the standard module with the same interface and controlled line.

The current factory table gives body dimension L of 151.5 mm, catalogue dimension L1 of 281.5 mm and mass of 4.645 kg. These exact factory entries take precedence over misaligned L/L1 columns in the supplier listing.

The catalogue standard setting is 320 bar. This is a factory catalogue reference, separate from maximum component pressure and from the actual setting of a delivered unit. The manufacturer specifies a setting at least 1.3 times the load-induced pressure to permit closure at maximum load. The reference does not define a newly generated order-code configuration.

The zinc-plated steel body contains hardened and ground steel parts with standard BUNA-N seals and negligible internal leakage as described by the manufacturer.

The local technical PDF retains the complete applicable original manufacturer spread, including the exact article table, hydraulic symbol and installation drawing. Where curves specify oil at 50 °C and 30 cSt, these are reference conditions rather than operating-temperature limits.