FEATURES
DOUBLE 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.