Rohr Corp

ROHR Corporation is pleased to announce the commissioning of the most technologically advanced tool for the extraction of sand and gravel.

Designed and built for J.P. Sand and Gravel, located in Columbus, Ohio, this new dredge is the first in the U.S. to be equipped with a STATE-OF-THE-ART four quadrant AC frequency controlled hoist drive system for smooth, efficient operation.

The dredge also features the newest Allen Bradley PANEL VIEW operator interface. This touch screen system integrates all dredge functions onto a single video panel, allowing the operator to more closely monitor the dredge processing and maintenance programs.

Model: RS 4.5/170 B
Type: Floating Clamshell Dredge
Bucket: 7 cu/yd - four cylinder electrohydraulic
Capacity: 450 Tons per hour at 60 feet
Voltage: 480 volt/60Hz

Onboard Equipment:

ABB/SAMI STAR four quadrant AC inverter/drive system

Fully automatic controls
Counterweight system for bucket power cable (patented)
Allen Bradley 1200 operator interface
Hydraulic oversize grizzly
Fully automatic material feed gate (hydraulic)
6'x16' double deck, high frequency dewatering screen

Fine sand recovery system
Waste pump for removal of ultra-fine material
Wash down pump
Extended gantry for easy bucket exchange and service

Conveying Equipment:

(3) 100'x30" Series I floating conveyors
(1) 300'x30" Series I catamaran floating conveyor

Options

Round nosed buckets for increased digging capacity
Counter weight systems (Patented) for energy savings and smoother operation
Technically advanced rake grizzlies (Patented) for feeding a crusher or barge

ROHR Corporation, 6295 Dry Fork Road, Cleves, OH 45002
Tel: 513-202-0800 Fax: 513-202-0888 Email: info@rohrcorp.com