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RDA CR300-S NA Turning Roll Set

RDA CR300-S NA Turning Roll Set

Top Features

  • 300 Ton Drive/Idler Roll Set Load-Carrying Capacity
  • 450 Ton Drive Roll Load-Turning Capacity
  • 32" to 295" Vessel Diameter Capacity

Red-D-Arc’s RDA CR300-S NA turning roll sets feature all-fabricated-steel base construction with wheel brackets that can be manually positioned to accommodate vessels of varying diameters around a constant center-line. Vessel rotation is via a two-motor, two-wheel-drive system which eliminates the need for torque tubes.

Product Details


Model:RDA CR300-S NA turning roll set (drive and idler)
Load Carrying Capacity: Drive: 150 ton maximum
Idler: 150 ton maximum
Set: 300 ton maximum
Rotation Capacity: Drive Roll: 300 ton maximum
Wheel Centre Distance: 38.2, 57.9, 77.6, 97.2, 116.9, 136.6 in
Vessel Diameter Capacity: 31.5 in to 295.3 in
Rotation Speed Range: 3.9 to 41.3 in/min
Tire Type: Steel
Wheel Size: 27.6 in diameter x 9.1 in wide
Five Function Control: Push Button Pendant, 100 ft cable (forward/stop/reverse/speed control/emergency stop)
Rotation Drive Motors: 2 x 5.5 kW with fan cooling
Primary Input Power: 380 to 480 V, 3 phase, 50/60 Hz (optional 600 V, 3 phase, 60 Hz available)
Input Current at Rated Load: 29.9 A
Weight: Drive: 9921 lb
Idler: 7055 lb
Control Box Ingress Protection Rating: IP65
Control Box Electrical Certification: UL508
Loading Capacity Certification: UL2011

Additional Features

Drive motors are inverter-controlled variable-frequency AC-type with fan cooling and are fully enclosed for trouble-free operation. Double reduction worm and wheel gearboxes are used for enhanced durability and extended overhaul intervals. Drive and idler wheel shafts are housed in deep-groove-type roller bearings and gearboxes are of aluminum/bronze construction. Both the drive roll and idler roll have forklift slots built into the frames for easy maneuverability. Control boxes have IP65-rated enclosures and utilize variable-frequency AC-control electrical systems with full UL and CE certification. In addition, all our conventional turning rolls have been tested and certified by UL to establish safe working loads - a first in the weld automation industry.

Options, Accessories and Related Equipment

Rotation Speed Foot Control: FT-1VAR-100 (single pedal) with 100 ft control cable
Directional Foot Control: FT-2DIR-100 (double pedal) with 100 ft control cable

Related Equipment

RDA CR300-S NA Turning Roll Set

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Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading supplier of ammonia products and process chemicals.