DRV - Pneumatic & Hydraulic Rack and Pinion Actuator ( Female Shaft )


FEATURES

ROTEX DRVDOUBLE ACTING :
  • Unique rack and pinion construction for constant torque output.
  • Cylinder bore hard chrome plated, pinion Electro less Nickel Plated, external  surface epoxy painted for high corrosion resistance.
  • The pinion is supported on ball bearings.
  • Unique rack supporting system, pre-load on pinion can be adjusted.
  • Maximum working pressure 8 bar.
  • Additional lubrication is not necessary.
  • Temperature range    NBR      - 20 °C   to    80 °C
                               Viton     - 25 °C   to   125 °C
                   Flouro Silicon    - 40 °C   to   110 °C
                               HNBR     - 40 °C   to   80 °C
  • Life tested to more than 1 million cycles.
  • Easily convertible from single to double acting and vice versa.
HEAVY DUTY PISTON ROD BEARING
  • Bronze guide bush bearing.
  • Life time lubricated by special greas.
PINION BEARINGS
  • Pinion Mounted on rigid ball bearings.
  • Very low friction improves stick slip resistance.
  • Stem of the valve is protected with side thrust.
FLEXI ARM CONNECTION
  • The Rack & pinion rod are connected through the flexible coupling.
  • No slide thrust is transferred to the piston rod.
  • Ensured long life of piston rod seals.
GUIDED SPRING CARTRIDGE
  • Unique spring retaining system.
  • Pre - assembled catridge.
  • Spring can be inspected periodically without dismantling it from the Actuator.
  • Spring torque can be easily changed by interchanging the cartridge.
ISO PAD
  • Customer interface as per ISO 5211.
  • An optional customized solution is possible.
  • One piece pinion provides playless operation.
  • Dual keyway allows easy conversion from NO to NC and vice versa.
ZERO BACKLASH RACK GUIDE
  • Rack Guiding system installed with ball bearings.
  • Eccentric pin provides adjustment to rack backlash.
  • Can achieve up to zero backlash.
  • Long life adjustments can be made.
SPRING RETURN :
  • Unique spring retaining system.
  • The spring can be removed from the Actuator for periodic inspection.
  • The springs are epoxy painted and life time lubricated.
  • Guaranteed to operate more than 1 million cycles.
STANDARD PAINT FINISH
  • ROTEX provides, a high quality corrosion protection system, on all DRV Actuators. The Actuators are painted usin a two coat system, an epoxy base primer of 15- 20 µ thickness and multiple top coat of RAL5015 of total 60 µ. The paint can withstand 200 hrs of salt spary test.
  • Optional 1000 hrs of salt spary withstanding paintings can be provided.

 

 

Click link to download PDF document.
Click link to download PDF document.
Click link to download PDF document.

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