Parker Proportional Valve
Proportional Directional Control Valves D_1FB
  • Description
  • Technique Feature
  • Specification
  • Applied Range
Proportional Directional Control Valves Series D*1FB
Product Overview
Representing Parker's extensive experience in industrial hydraulics, the pilot operated proportional DC valves series D*1FB with onboard electronics (OBE) has proven very successful in numerous applications all over the world. The standard performance valves are characterized by a solid design which ensures a long lifetime. They offer an excellent price-performance ratio and best conditions for an economic, reliable operation.
The pilot operated proportional directional control valves D*1FB OBE are available in 4 sizes:
D31FB OBE - NG10 (CETOP 05)
D41FB OBE - NG16 (CETOP 07)
D91FB OBE - NG25 (CETOP 08)
D111FB OBE - NG32 (CETOP 10)
-Progressive flow characteristics 
-High flow capacity
-Centre position monitoring optional
-Energy saving A-regeneration optional 
-Switchable hybrid version optional 
-Sensitive adjustment of flow rate
-Excellent price-performance ratio
-Short delivery times, no storage necessary
Technical specifications
The pilot operated proportional directional control valves series D*1FB OBE work with barometric feedback of the main stage to the pressure reducing pilot valve. The pilot control pressure of 25 bar allows high flow rates at maximum stability. 
The digital onboard electronics is situated in a robust metal housing, which allows the usage under rough environmental conditions. The nominal values are factory set. The cable connection to a serial RS232 interface is available as accessory. The valve parameters can be edited with the common ProPxD software.
The innovative integrated regenerative function into the A-line (optional) allows energy saving circuits for differential cylinders. The hybrid version can be switched between regenerative mode and standard mode at any time.
Hot keywords:Parker D111FB, Parker D91FB, Parker D41FB
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