Direct Operated - Pressure Relief Valves

For improved hydraulic systems safety at extreme pressures (up to 630 bar), Bosch Rexroth has fully tested and refined its range. Only available from Hytec South Africa!

View our direct operated specifications below

Direct Operated Pressure Relief Valves specifications

Pressure Relief Valve | Type DB6D (NG6)

  • Nominal size: 6
  • Unit series: 1X
  • Maximum working pressure: 315 bar
  • Maximum flow rate: 60 l/min+


  • For subplate mounting
  • 3 pressure setting elements
  • choice of: Sleeve with hexagon socket
  • Rotary knob
  • Lockable, with scale Rotary knob with scale

Pressure Relief Valve | Type DBD (Sizes 6 to 30)

  • Sizes: 6 to 30
  • Component series: 1X
  • Maximum operating pressure: 630 bar [9150 psi]
  • Maximum flow: 330 l/min [87 US gpm]


  • As screw-in cartridge valve
  • For threaded connection
  • For subplate mounting
  • Adjustment types, optional:
    • Sleeve with hexagon and protective cap
    • Rotary knob / hand wheel
    • Lockable rotary knob

Pressure Relief Valve | Type ZDBYD and Z2DBYD (NG6 and NG10)

  • Nominal size: (NG) 6 and 10
  • Unit series: 1X
  • Maximum working pressure: 315 bar
  • Maximum flow rate: 60 and 120 l/min


  • Modular valve
  • Mounting hole configuration (NG6: ISO 4401-03-02-0-05 and NG10: ISO 4401-05-04-0-05)
  • 3 pressure stages
  • 5 effective directions
  • With 1 or 2 pressure valve cartridges
  • 2 setting elements:
    • Sleeve with hexagon socket
    • Rotary knob, lockable, with scale

Speak to our hydraulics division about your factory automation


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