KWS Manufacturing

Vertical Screw Conveyor Design Standards



KWS Vertical Screw Conveyor Standard Carbon Steel Construction

Diameter Type Screw (Nominal THK) Inlet & Discharge Intermediate Housing
6" Diameter Industrial Duty 6H308 (3/16") 10 GA 7" OD X 12 GA
downspouting
  Heavy Duty 6H312 (1/4") 3/16" THK 10 GA split
tubular trough
6" common standards: drive shaft – 1 1/2" DIA; stub shaft – 1" DIA; thru shaft – 1 1/2" DIA
9" Diameter Industrial Duty 9H406 (10 GA) 10 GA 10" OD X 12 GA
downspouting
  Heavy Duty 9H414 (3/8") 3/16" THK 10 GA split
tubular trough
9" common standards: drive shaft – 2" DIA; stub shaft – 1 1/2" DIA; thru shaft 2" DIA
12" Diameter Industrial Duty 12H512 (1/4") 10 GA 10 GA non-split
tubular trough
  Heavy Duty 12H614 (3/8") 3/16" THK 3/16" THK non-split
tubular trough
12" ind. duty standards: drive shaft – 2 7/16" DIA; stub shaft – 2" DIA; thru shaft – 2 7/16" DIA
12" heavy duty  standards: drive shaft – 3" DIA; stub shaft – 2 7/16" DIA; thru shaft – 3" DIA
16" Diameter Industrial Duty 16H610 (1/4") 10 GA 10 GA non-split
tubular trough
  Heavy Duty 16H614 (3/8") 3/16" THK 3/16" THK non-split
tubular trough
NOTE: 16H614 has 4" nominal pipe; 16H610 has 3 1/2"nominal pipe
16" common standards: drive shaft – 3" DIA; stub shaft – 2 7/16" DIA; thru shaft – 3" DIA

Common Standards For All Diameters:

  • Drive base thickness to be one (1) thickness above standard end plate thickness
  • Base (pedestal) – 3/8" THK
  • Stub shaft end bushing: industrial duty – UHMW; heavy duty – Nyloil®



KWS Vertical Screw Conveyor Standard Industrial Grade Stainless Steel Construction

Diameter Screw (Nominal THK) Inlet & Discharge Intermediate Housing
6" Diameter SPL Sectional (7 GA) 10 GA 6" SCH 10 pipe
6" standards: drive shaft – 1 1/2" DIA; stub shaft- 1" DIA; thru shaft – 1 1/2" DIA
9" Diameter SPL Sectional (7 GA) 10 GA 10" SCH 10 pipe
9" standards: drive shaft – 2" DIA; stub shaft – 1 1/2" DIA; thru shaft 2" DIA
12" Diameter 12S616 (1/4") 7 GA 7 GA non-split
tubular trough
12" standards: drive shaft – 3" DIA; stub shaft – 2 7/16" DIA; thru shaft – 3" DIA
16" Diameter 16S616 (1/4") 7 GA 7 GA non-split
tubular trough
16" standards: drive shaft – 3" DIA; tail shaft- 2 7/16" DIA

Common Standards For All Diameters:

  • Drive base thickness to be one (1) thickness above standard end plate thickness
  • Base (pedestal) – 3/8" THK
  • Tail end bushing: industrial duty – UHMW; heavy duty – Nyloil®

Get Connected

CEMA Standard Components and Complete Engineered Systems

Contact Us Online Resources
KWS Mfg Captain Conveyor

Ask CaptAIn Conveyor An AI Powered Bulk Material Handling Expert

AI Chatbot Disclaimer

CaptAIn Conveyor AI Chat