Archimedes principle was simple, however in today’s market its application can be a challenge. We can fabricate from an extensive range of materials (mild steel, stainless steels, abrasion resistant plates, hard surfacing materials and ceramic coatings). Please use the information provided as a guide only as many alternatives are available.
For assistance in determining the correct equipment for your needs, please contact a Nordstrong technical sales representative for your next project.
Design
Nordstrong screw conveyors are designed and classified according to Conveying Equipment Manufacturers Association (C.E.M.A.) standards for each individual application.
- Helicoid or sectional flights
- Short, variable and long pitch
- Cut or cut and folded
- Mixing paddles and paddle conveyors
- Tapered diameter or cone design
- Single or multiple ribbon
- Double helix
Trough
- Troughs are available in several designs. Gauge of steel used in construction varies depending on size of conveyor and application
- Jig welded with heavy flanges
- Formed or angle flanged ‘U’ trough
- Solid or split tubular construction
- Flared designs
Covers
- Covers are also available in several designs
- Weather tight gasketed construction
- Flat or flanged with butt strap
- Hip roof available
- Hinged designs
- Bolted or clamp type fasteners
- Quick release clamps
Bearings and Seals
- Flange or pillow block
- Ball, roller and heavy duty thrust bearings
- Packing and plate seal housings
- Packed and split gland seals
- High temperature bearings and seals available
Drives
- Standard or customer specified drives available for all sizes
- Screw conveyor or shaft mount; with belt drive
- Gear motor with chain and sprockets
- Direct coupled combinations
Optional Features
- Special Models
- Inclined
- Reversing
- Mixing and blending
- Wear shoes
- Custom designs
- Conventional or expansion types
- Non ferrous or hardened materials
- Lubrication tubes and ball bearing options
- Multiple hole shaft drilling
- External sleeves
- Quick release ends
- Flanged coupling shafts
Inlets and Discharges
- Standard or custom inlets
- Optional feeder (shroud) designs
- Stub or flush end discharges
- Hanger end and special outlets available
Gates
- Flat slide or curved gates
- Drop bottom gates
- Dust tight designs
- All available with a selection of operators: manual, electric gear motor, electric (linear) actuator, hydraulic or pneumatic
Construction Options
- AR Plate construction
- Hard facing
- Stainless steel
- Feed, food and sanitary finishes
- Galvanized
- Epoxy paints
Safety
- Plug switches
- Overflow relief doors
- Under speed detection
- Pressure relief vents