CB Series Danfoss Vickers Counterbalance Valves

Counterbalance valve are used in hydraulic systems to control the speed of hydraulic motors and cylinders independent of the load (prevents running away). In addition there is a isolator function for pipe burst safety. Counterbalance valve comprises basically of the housing, main poppet, pilot part, pilot spool, damping spool and pilot damping.

Specifications:

• Pressure rating: 315 bar
• Flow: up to 560 LPM

Features:

• Pilot operated check valve, leak-free function
• The counterbalance valve controls the returning flow q v2 in relation to the flow being directed into the other side of the actuator q v1. With cylinders the area ratio (q v2=q v1) has to be taken into account
• By-pass valve, free flow in opposite direction
• Optional built-on secondary pressure relief valve (only for flange mounted valve)