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The comminutor consists of a housing, inlet trough, right-angle gear-motor, drive shaft, double-sealed and shielded bearings, revolving sewage drum with four (4) rotating cutter bars, and one stationary cutter comb. The cutter bars and cutter comb are made of A2 chromecarbon tool steel.
The cutter bars are mounted at 90 degree intervals on the drum. The entire drum assembly revolves as a single integral unit. The teeth on the cutter bars pass through the stationary comb as the drum revolves, creating a cutting and shearing action between the ends of the comb and the top surface of the cutter bars which are recessed into the drum.
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P-5
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P-8
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P-12
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Capacity
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0-175 GPM
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0-300 GPM
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0-850 GPM
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Power Requirements
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Single Phase 115/208/230
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Three Phase 208/230/460
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Service Factor
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1.00
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1.00
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1.00
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Drum RPM
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35
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35
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12
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Horsepower
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1/2
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1/2
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1/2
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Gearbox Radio
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50:1
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50:1
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150:1
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Slot Width
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1/4 inch
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1/4 inch
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1/4 inch
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Cutting Teeth
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12
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16
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24
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Approx. Shipping Weight
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175 lbs.
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180 lbs.
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300 lbs.
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The drive unit is a right-angle gear-motor integral type with reduction type worm gearing Class No. 3. This unit is designed and applied in complete accordance with applicable practices of the American Gear Manufacturers Association. The worm gear materials shall comply with all mechanical ratings allowed by the AGMA Rating Standard. The motor size is 1/2 hp for operation on all volt, phase and cycle service. All equipment is designed for outdoor service. The flow-through of the comminutor is as follows: the sewage enters the comminutor through an open-top inlet trough, passes through the 1/4" slots in the revolving sewage drum, and discharges out the bottom of the comminutor. In the event of prolonged power outages and subsequent plugging of the drum, sewage can overflow the open-top inlet trough into the flow chamber, thereby preventing plugging of the inlet line.
ELECTRICAL CONTROL PANEL
Automatic Reversing (Type "C")
The control circuitry for this unit includes all necessary electrical and electronic control equipment to automatically reverse the cutting drum of the comminutor in a jam situation, and restart it in forward position. The unit will continue this mode until it either unclogs itself or until the overload protection device in the motor stops the above sequence. The controls are mounted in a JIC enclosure. (Add "-C" to model number when the automatic reversing electical control panel is required. Example: P-5-C.) OPTIONAL ACCESSORIES
Shaft Extension
Automatic Reversing Control Panel
Explosion Proof Motor
Pressure Relief Valve |