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Model VMF-28™Volumetric Screw Feeder
Standard Features
Ÿ Automatic metering screw feeder for dispensing
powdered or pelletized material into a secondary
process
Ÿ Ideal for water, wastewater and chemical processing
applications
Ÿ Heavy-duty, gear driven auger for metering
mechanism
Ÿ Built-in hopper capacity of 5.0 cu. ft.
Ÿ Feed rate 0.2 to 35.4 cu. ft. per hour
Ÿ Accuracy of within 2% of volume
Ÿ Optional “Loss in Weight” measurement system
Ÿ Rugged steel frame protected by corrosionresistant finish
Ÿ Built-in stainless steel gravity fed hopper
Ÿ Concentric helical overwind auger
Ÿ Stainless steel 0.75" to 3.25" diameter solidauger or 1.5" to 3.25" diameter open helix auger
Ÿ Water and dust proof variable speed controlcapable of remote operation housed in NEMA 4Xenclosure
Ÿ 90 VDC parallel shaft, wash down gear motor
Ÿ Integrated vibration mounts
Tel: (+1) 215-766-2670 (International)Tel: (+1) 800-257-5911 (USA & Canada)Fax: (+1) 215-766-2672
Email: [email protected]: www.scaletronscales.com
Scaletron Industries Ltd.Bedminster Industrial Park53 Apple Tree Lane • P.O. Box 365Plumsteadville, PA 18949 • USA
Shown withGlove Box Bag Loader
(Optional)
Ÿ Integrated "Loss in Weight" measurement system with 4 load cells and scale controller
Ÿ SCADA programmable motor controller
Ÿ Vibratory agitators and particle crushers
Ÿ Lift-off, hinged or fixed lids for hopper
Ÿ Hopper extensions for additional capacity
Ÿ Glove box or tilt bag loaders for 50 lb. bags
Ÿ Bulk bag unloaders - hoist or fork lift style
Ÿ Mixing tanks and wetting cones
Ÿ Base stands and elevated loading platforms
Options
Scaletron™Sets The StandardIn CorrosionResistance
22ON ALL FEEDERS
Typical SpecificationsThe Volumetric Screw Feeder must have rugged steel frame that is zinc oxide primed and dry powder epoxy coated. The feeder shall include a heavy-duty, gear driven auger metering mechanism with a stainless steel concentric helical overwind auger and built-in stainless steel gravity fed hopper. All hardware shall be stainless steel. A water and dust proof variable speed control must be capable of remote operation and housed in NEMA 4X, UL approved enclosure. Auger shall be powered by a 1/8 or 1/4 HP DC motor and have integrated vibration mounts.
Scale shall be a Model VMF-28™ as manufactured by Scaletron Industries Ltd., Plumsteadville, PA.
OPTIONS FOR "LOSS OF WEIGHT SYSTEM":The optional “Loss in Weight” measurement system shall include four (4) NTEP approved stainless steel shear beam cells and stainless steel leveling bolts. A variety of scale indicators and controllers are available.
2 year FULL warrantyon ALL feeders!
Model VMF-28™Volumetric Screw FeederGeneral Specifications
© Scaletron Industries Ltd., FEBRUARY 2017
Hopper Capacity: 5.0 cu. ft. — custom sizes available
0.2 to 35.4 cu. ft. per hour
2% of volume
0.75" to 3.25" diameter solid auger or 1.5" to 3.25" diameter open helix auger
Manual and signal start / stop
10º C - 40º C
Explosion proof - 1/3 HP, 1/2 HP or 3/4 HP motor and gearing; Washguard - 1/3 HP, 1/2 HP, 3/4 HP or 1 HP motor and gearing
Contact Factory
Parallel shaft, TENV 90 VDC, wash down gearmotor - 1/8 HP, 14 RPM; 1/4 HP, 42 RPM; or 1/4 HP, 83 RPM
115 VAC, 50-60 Hz, 4 Amps
Feed Rate:
Accuracy:
Controls:
Overwind Helix Diameter:
Control Input:
Control Configurations:
Ambient Temperature Limit:
Motor Type:
Power:
Available Motors:
Shipping Weight:
Feed Screw:
Variable speed DC NEMA 4X SCR motor control (SCADA controller available)
3.63”
4-20 mA
NOTES: UNLESS OTHERWISE SPECIFIED1. DIMENSION WILL
CHANGE DEPENDINGUPON APPLICATION
Electric or pneumatic stylesVibratory Agitator (Optional):
