Pulleys, Idlers, Magnets
Pulleys
Standard Heavy Duty Drum Pulleys
Benefits:
- Meets or exceeds CEMA/ANSI specifications
- Exclusive One Piece Rolled in Crown in all sizes help to ensure consistent, proper belt tracking h3er pulley with tighter tolerances
Construction:
- Full depth weld with reinforcing bar on single longitudinal seam featured on each Douglas Heavy Duty Drum Style Conveyor Pulley
- Crown face pulleys are furnished standard, flat face must be specified
- Douglas hubs feature full depth welds on the inside and outside of pulley end disk decreasing the likelihood
- of end disk failure due to shaft deflection and shock loads
- Douglas hubs and bushings are interchangeable with QD® or XT® style
- For approximate shipping weights please consult Factory
Options:
- Hot Vulcanized Pulley Lagging
- Shafting
- Bearing Assemblies
- Take-Up Systems
- Stainless steel construction available
- Machined face pulleys for close tolerance and better belt tracking
- Optional Douglas Keyless Locking Assemblies available
Mine Duty/Mill Duty Drum Pulleys
Benefits:
- Exclusive One Piece Rolled-in Crown ensures consistent, proper belt tracking and tighter tolerances
Construction:
- Engineered for the roughest applications, rugged Douglas Mine/Mill Duty Drum Pulleys are intended for use in critical applications where down time must be minimized
- Heavy construction reduces the likelihood of metal fatigue and pulley failure in severe applications minimizing down-time and maintenance
- Full depth weld with reinforcing bar on single longitudinal seam featured on each Douglas Mine Duty/Mill Duty Drum Style Conveyor Pulley
- Crown face pulleys are furnished standard, flat face must be specified
- Douglas hubs feature full depth welds on the inside and outside of the pulley end disk decreasing the likelihood of end disk failure due to shaft deflection and shock loads
- Douglas hubs and bushings are interchangeable with QD® or XT® style
Options:
- Hot Vulcanized Pulley Lagging
- Shafting
- Bearing Assemblies
- Take-Up Systems
- QD® or XT® Hubs & Bushings
- Machined face pulleys for close T.I.R. tolerance and better belt tracking
- Optional Douglas Keyless Locking Assemblies available.
Spiral Drum Pulley
Benefits:
- Promotes self-cleaning, helps move material to outside the pulley
- Helps smooth vibrating belt movement
Construction:
- Basic drum pulley in standard duty, Heavy Duty, Mine Duty or Extreme Duty with helically wound bar flights welded to drum pulley O.D.
Quarry Duty Drum Pulley
Benefits:
- Exclusive One Piece Rolled-in Crown ensures consistent, proper belt tracking and tighter tolerances
Construction:
- Engineered for the roughest applications, rugged Douglas Quarry Duty Drum Pulleys are intended for use in applications where down time must be minimized
- Heavy construction reduces the likelihood of metal fatigue and pulley failure in severe applications minimizing downtime and maintenance
- Full depth weld with reinforcing bar on single longitudinal seam featured on each Douglas Quarry Duty Drum Style Conveyor Pulley
- Crown face pulleys are furnished standard, flat face must be specified
- Douglas hubs feature full depth welds on the inside and outside of the pulley end disk decreasing the likelihood of end disk failure due to shaft deflection and shock loads
- Douglas hubs and bushings are interchange-able with QD®, XT® style, HE, or Taper Lock Bushings
- 1/2" to 1" rim thickness; 3/4" - 2" end disk thickness
Options:
- Hot Vulcanized Pulley Lagging
- Shafting
- Bearing Assemblies
- Take-Up Systems
- QD®, XT®, HE, Taper Lock Hubs & Bushings
- Stainless Steel Construction
- Galvanized Construction
- Shaft Mount Reducers
- Optional Douglas Keyless Locking Assemblies available
Standard Heavy Duty Wing Self-Cleaning Pulleys
- Douglas Solid 3/4" Steel round bar wing tips wear longer and retain roundness.
- Wears twice as long as other manufacturers formed flat bar or 1/4 round
- Protects underside of belt from cuts, smoother running
- Large pulleys are fitted with 1" solid steel bars for long life
Benefits:
- Meets or exceeds CEMA/ANSI specifications
- Douglas Heavy Duty Wing Style Pulleys feature exclusive minimum 3/4" solid steel round bars Increases service life
- Helps prevent wing folding damage
- Wears twice as long as other manufacturers' formed flat bar or 1/4 half-moon bar
- Protects belt bottom cover from cuts and tears
- Less belt vibration from smoother belt contact
- Special self-cleaning angle formed by gussets discharges material away from the belt and the pulley face helping to prevent material build up and belt damage from conveyed material
- Unique design creates a refined motion that helps to dislodge materials from the belt top cover
Construction:
- Crown face pulleys are furnished standard, flat face must be specified
- For approximate shipping weights please consult Factory
- Douglas hubs and bushings are interchangeable with QD® and XT® style
Options:
- Hot Vulcanized Pulley Lagging
- Shafting
- Bearing Assemblies
- Take-Up Systems
- Stainless steel construction available
- Optional Douglas Keyless Locking Assemblies available
- Stabilizing Rings
Spiral Wing Pulleys
Benefits:
- Promotes self-cleaning, helps move material to outside edges of tail pulley
- Helps smooth out vibrating belt movement
Construction:
- Flat steel bars helically wound around wing fins.
Idlers
Troughed Idler with Permanent Sealed Bearings
Douglas® manufactured Idlers are engineered for demanding CEMA B, C or D applications with interference fit between the shaft and the bearing for improved sealing, better stability and longer life. Douglas® idlers are available in a wide variety of configurations including: troughing, return, impact, rubber disc return, self-aligning trough, self-aligning return, scale Quality and live shaft. Douglas® idlers meet or exceed CEMA standard NO. 502-2004.
Return Idlers 4", 5" & 6" Diameter
Heavy 20mm (.787") Precision, Permanent Sealed Bearings
Self-Aligning Return Idlers 4", 5" & 6" Diameter
4" and 5" diameter Heavy 20mm (.787") Precision, Permanent Sealed Bearings
- 6" diameter Heavy 25mm (.984") Precision, Permanent Sealed Bearings
Magnetic Separators & Magnetic Pulleys
Permanent Magnetic Conveyor Pulleys
Benefits:
- Meets or exceeds CEMA/ANSI specifications
- Exclusive One Piece Rolled in Crown ensures consistent, proper belt tracking and tighter tolerances
- Automatically turns any conveyor into a magnetic separator
- Reduce operating expenses:
- Remove potentially harmful tramp ferrous metal before it damages expensive processing equipment
- Discharges tramp metal away from the normal product flow, improves product purity
- Permanent magnets operate without electric power supply
- Lifetime warranty on the performance of the
Constructions:
- Heavy construction reduces the likelihood of metal fatigue and pulley failure in severe applications minimizing down-time and maintenance requirements
- Full depth weld with reinforcing bar on single longitudinal seam featured on each Douglas Permanent Magnetic Conveyor Pulley
- Crown face pulleys are furnished standard, flat face must be specified
- Douglas hubs feature full depth welds on the inside and outside of the pulley end disk decreasing the likelihood of end disk failure due to shaft deflection and shock loads
- Douglas hubs and bushings are interchangeable with QD®* or XT®** style, maintain tighter holding power to the shaft and eliminate shaft damage caused by set screws or welded in shafts
- Stainless Steel Rim standard on all permanent magnetic pulleys
Options:
- Hot Vulcanized Pulley Lagging (may decrease magnetic field strength up to 30%)
- Shafting
- Bearing Assemblies
- Optional Douglas Keyless Locking Assemblies available
Self-Cleaning Permanent Magnetic Conveyor Pulleys
Benefits:
- Reduce operating expenses:
- Remove potentially harmful tramp ferrous metal before it damages expensive processing equipment
- Automatically discharge tramp metal away from the main conveyor
- Improve product purity
- Permanent magnets operate without electrical hook-ups
- Made in the U.S.A. with standard power transmission components for simple maintenance operation
Constructions:
- Heavy grade structural steel frame complete with crown face heavy duty lagged head pulley, crown face heavy duty tail pulley and slide tube belt take-ups
- Heavy duty rubber cover belt standard with hot vulcanized cleats
- Head and tail pulley guards
- Shipped complete, factory test run and ready for installation
- CLASS II shaft mount gear drive with TEFC motor for long trouble free service life
Options:
- Heavy duty rubber cover belt with hot vulcanized cleats standard
- Stainless steel or armor clad belts optional
- Two mounting options: across the belt or in-line at the discharge point of the conveyor
- Hydraulic Drive
Manual Cleaning Permanent Magnetic Separators
Benefits:
- Reduce operating expenses:
- Remove potentially harmful tramp ferrous metal before it damages expensive processing equipment
- Performs similar to Cross Belt Magnet except manual cleaning of ferrous metal is required
- Improve product purity
- Permanent magnets operate without electrical hook-ups
- Lifetime warranty on the performance of the magnetic field strength
- No exposed or moving parts to wear or damage gives trouble-free service and longer life
Constructions:
- Magnetic box constructed of heavy grade first quality structural grade steel with permanent ceramic magnets
- Shipped complete and ready for installation
Options:
- Pivot arm available for easy cleaning
- Two mounting options: across the belt or in-line at the discharge point of the conveyor
Super Duty Cross Belt Separator
Benefits:
- Reduce operating expenses:
- Remove potentially harmful tramp ferrous metal before it damages expensive processing equipment
- Automatically discharge tramp metal away from the main conveyor
- Improve product purity
- Permanent magnets operate without electrical hook-ups
- Made in the U.S.A. with standard power transmission components for simple maintenance operation
- Up to 30% more powerful than other permanent magnetic separators
- Permanent magnets operate without electrical hook-ups
- Lifetime warranty on the performance of the magnetic field strength
- No exposed or moving parts to wear or damage gives trouble-free service and longer life
Constructions:
- Heavy grade structural steel frame complete with crown face heavy duty lagged head pulley, crown face heavy duty tail pulley and slide tube belt take-ups
- Heavy duty rubber cover belt standard with stainless steel cleats
- Head and tail pulley guards
- Shipped complete, factory test run and ready for installation
- CLASS II shaft mount gear drive with TEFC motor for long trouble free service life
Options:
- Heavy duty rubber cover belt with hot vulcanized cleats standard
- Stainless steel or armor clad belts optional
- Two mounting options: across the belt or in-line at the discharge point of the conveyor
- Hydraulic Drive
