Load Control Valves BBV


Load control valves of this type prevent a hydraulic actuator from running ahead of, or "over-running", the available oil supply. They simultaneously act as a control-, load-holding-, safety- and pipe-rupture valve.


  • Load control valve with pre-opening
  • Load pressure acts in the closing direction; valve closes even with broken spring
  • Leak-free valve seats; hardened, ground and lapped
  • Pilot pressure is almost independent of load pressure (1:66)
  • Pilot pressure can be matched to the system
  • Body-mounted valves can have an integral two-stage secondary pressure relief valve

Technical Data

Type Nominal flow rate
Operating pressure, dynamic
Operating pressure, static
Nominal size
BBV 50 420 600 6


BBV 6 (with SV)

BBV 6 C, BBV 6 (without SV)

  • Body-mounted valve with SAE 1/2" 6000 psi connection or G 3/8" port thread
  • Body-mounted valve with/without secondary pressure relief
  • As type BBV 6 C-... cartridge valve (without secondary pressure relief valve)


  • Boom systems
  • Stabilizer cylinders
  • Winch drives
  • Presses

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