Bypass Pressure Compensator series DWDPB-2D
category:
Pressure cartridge compensators

Bypass Pressure Compensator series DWDPB-2D

Pressure [bar]

350

Flow rate [l/min]

140

These direct acting bypass pressure compensator (hydrostat) cartridges, series DWDPB-2D…-10…, are size 10, high performance screw-in cartridges with an M24x1.5 mounting thread. The main stage is designed on the slid ingspool principle. The range includes a model with an ad justable pressurecompensator spring (7 … 15 bar) and six models with a fixed compensator spring (3, 5, 8, 10, 12 or 15 bar). In addition, a model with a lockable spool is avail able as an option. This enables the valve to be used in loadsensing systems with either variabledisplacement pumps (closed center) or fixeddisplacement pumps (open center). Pressure-compensator cartridges maintain the control pressure difference between inlet and outlet pressure – for example, across a throttle (an orifice) – at a constant level. This means that the flow rate is independent of the load pressure at the actuator. The adjusting screw or the hand-knob enable the user to carry out system optimisation directly on the equipment, without any need to install or replace components that have different flow ranges (e.g. proportional valves). To safeguard valve settings, the adjusting screw can be sealed with a tamper-proof cap. By fitting external pilot controls (pressure-relief valves or 2/2 unloading valves) in the line to the port Z, additional functions such as pressure relief or vented bypass from A  B can be produced.

  • Compensator spring adjustable: from 7…15 bar
  • Compensator spring fixed: 3, 5, 8, 10, 12 or 15 bar
  • External remote-control port Z with integral damping orifice
  • High flow rates Excellent stability over the whole pressure and flow range
  • Available with hand-knob or tamper-proof cap
  • With spool locking option to allow application with variable or fixed displacement pumps
  • All exposed parts with zinc-nickel plating
  • Can be fitted in a line-mounting body
  • Can be fitted in sandwich bodies
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