Component Style
Bearings and Take-up Bearings Split, self aligning, and peak capped. Water Lubricated.
1. Babbitted, or
2. UHMW lined.
3. Manual and Automatic Take-ups available.  
Chain Tighteners UHMW-PE or Nylon Sprocket on NRG style 2 nylon assembly.
  
*Also available in other configurations and materials.
Collector Chain NRG NM720-CS glass reinforced polyester.  
Collector Sprockets 720 Series, Hunting Tooth:
1. 100% UHMW-PE, split.
2. 100% Nylon, split.
3. UHMW Rim on Cast Iron Body.
4. 100% Cast Iron, split or solid
  
*All available with Standard or Chain-Saver Rim.
Drive Chain NRG NM-H78 Glass Reinforced Nylon with Stainless Steel Pins.
Drive Sprockets H78 Series:  
1. UHMW-PE on Cast Nylon Body.
2. All Nylon Sprockets and Body
3. UHMW-PE on Cast Iron Body
4. All Cast Iron.

*All are available with tripcams, jaw clutches w/handwheel,and/or mechanical/electrical torque limiting devices.

Driven Sprockets





H78 Series:   
1. UHMW-PE on Cast Iron Body.
2. ALL NYLON
3. All UHMW-PE
4. UHMW-PE on steel body.

*Available in Offsets up to 6 ¾".

Drive Units



Helical, Worm, and Cycloidal.
1. Single, Double, and Triple Drive Output.
2. Torque Limitors:
   • Mechanical Limit Switch
   • Electronic Motor Monitoring
   • Ball Detent Clutches

Flights NRG Fiberglass, C-channel, non-buoyant, 3"x 6", 3"x 8", 2" x 4" nominal sizes
Floor Rails (Tee-rails) Not Required on New NRG Systems but if required 25#/yd 
Hardware All sizes, type 304ss or 316ss. Expansion/Epoxy Anchors available.
Return Tracks and Flight Guides

3" x 3" x 3/8" FRP Track with UHMW-PE Brackets.

*All Metallic Track System Available.

Scum Skimmers








1. Rotating Scum Pipes ranging from 6" dia. to 20" dia.
   A. Manual lever operated.
   B. Manual handwheel operated.
   C. Manual Rack and Pinion.
   D. Automatic actuator driven.
   E. Automatic chain/motor driven
2. Helical Skimmers.
3. DAF Skimmers

*Other designs available.

Set Collars Available in Cast Iron, UHMW, and Nylon for all common bore sizes.
Shafting C1018 or C1045 cold-rolled finished.
  
*Other grades of steel available.
Static Shaft Sleeve Bushings

1. All lubricated Nylon
2. All UHMW-PE

Stub Shafts 1. Stainless Steel
2. Ductile Iron tripod
3. Nylon
Wear Shoes

1. UHMW-PE
2. Polyurethane
3. Nylon
4. Metal
Wear Strips 1. UHMW-PE in 10' sections.
2. Custom fabricated for installation.
3. Fastened with 304 or 316 stainless hardware.
Note: Also available, screw conveyers, weirs, baffles, controls, flight monitoring, and all other
equipment for use with non-metallic rectangular clarifiers.