- Alumina
- Ascorbic Acid
- Asphalt Backing Material
- Baby Foods
- Baking Soda
- Bakery Mixes
- Bentonite
- Bone Meal
- Borax
- Bran
- Cake Mix
- Cake, Powdered
- Calcium Carbonate
- Candy Moulding Starch
- Carbon Black
- Casein
- Chalk
- Cheese Powder
- Chemicals
- Chili Powder
- Chrome Oxide
- Coal, Powdered
- Cocoa Powder
- Corn Meal
- Dehydrated Vegetables
- Detergent
- Dextrose
- Diatomaceous Earth
- Donut Mix
- Eggs, Powdered
- Epoxy Powder Coatings
- Epoxy Resin
- Feed Ingredients
- Fertilizer, Chemical
- Fibers
- Fire Extinguisher Powder
- Fish Meal
- Flour, Various
- Fluorescent Tube Powder
- Fungicide
- Fused Silica
- Grit
- Gypsum
- Herbicide
- Hulls, Ground
- Instant Coffee
- Iron Oxide
- Lead Oxide
- Limestone
- Meal, Soybean
- Metallic Powders
- Mild Powder
- Paint Pigments
- Penicillin
- Phenolic Resin
- Pigments, Various
- Plastic Powders
- Powder Coatings
- Protein
- Rice Hulls
- Salt
- Silica
- Soap
- Sodium Bicarbonate
- Soya Meal
- Spices
- Starch, Various
- Sugar
- Talcum
- Titanium Dioxide
- Tobacco, Ground
- Urea
- Vitamins
- Welding Rod Powder
- Whey, Powdered
- Yeast Bread Mi
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Rotormill
Features Eight models are available, ranging from 15 to 750 horsepowerLong gap design eliminates the need for screens that can choke or wear Compact, heavy-duty construction with carbon or stainless steel fabrication No…
Mini-Split Air Classifier
Features: Operating range of 1 to 75 MicronsFeed rate for 1 to 75 kilograms/hourNarrow size distributionsStainless steel contact partsVersatile, heavy-duty design, and vibration-freeAir purged bearings, easy disassembly,…
MAC Air Classifier
Prater MAC Air Classifiers process dry materials to exceptional fineness and uniformity over a wide range of feed variations. Offering separations from 3 to 150 micron, they are ideal for use in closed-circuit with a con…
10-Bar Fine Grinder
The 10-Bar fine grinder is for processing materials in explosive environments such as sugar grinding from (4X to 12X) with a single pass mill. These mills are designed for explosion pressure shock resistance up to 10 bar…
M Series Fine Grinder
FEATURES Final product size 60 – 400 mesh External bearing assembly Dynamically balanced reversible rotor assembly Tight clearances between rotor & fixed grinding elements Dual O-ring door seal with floating door h…
Full-Screen Hammer Mill
FEATURES Full-width top feed utilizes 100% of the usable screen area Wider rotors accommodate a variety of hammer arrangements Electronically balanced, top feed, reversible rotors Fast wear parts change 60 & 50 cycle…
Mega Mill Hammer Mill
KEY BENEFITS The Prater Mega Hammer Mill is designed to fill the gap between our standard hammer mills and our fine grinders. The Mega Mill provides uniform grinding with minimal heat build-up. A unique cantilevered grin…
Lump Breaker
Prater’s Lump Breaker product line is designed to provide a simple, more economical means of reducing compacted materials into smaller, granulated product required for most processing or packaging lines. The Lump Break…
Quick-Clean Lump Breaker
Prater engineers have designed and manufactured a Quick Clean Lump Breaker that is easier and safer to maintain than traditional lump breakers. The Quick Clean Lump Breaker is inspired by the design of our Quick…
Abrasion Resistant Rotary Airlock Valves
FEATURES: Cast Iron Rotary valve Construction Ceramic Lined rotary valve body and end plates Square inlet & round outlet Universal flanges allow for custom drilled flanges to your pattern (2) Sealed outboard bearings…
Blow-Thru Rotary Airlock Valve
FEATURES: Cast Iron Rotary valve Construction Universal flanges allows for custom drilled flanges to your pattern (2) Sealed outboard bearings – lubricated for life (2) Prater exclusive, Self-adjusting packing gland as…
Dust Collector Series Rotary Airlock Valve
FEATURES: Ultra close rotor/housing clearances for best seal Cast iron construction Heavy cast housing & end plates for maximum rigidity Maintenance-free inboard bearings Direct drive gear-motors (29 RPM) Sizes: 6, 8…
Heavy Duty PAV Series Rotary Airlock Valves
Our Heavy-Duty PAV Series rotary airlock is an ideal choice for handling many dry, free-flowing powders where a pressure differential exists, such as when feeding pneumatic conveying lines. Constructed from either stainl…
Quick Take Apart Rotary Airlock Valve On Rai…
Whether you are interested in our QTA Series or another one of our popular rotary airlocks, Prater has the solutions that you need for the smooth processing operation that you want. Contact our airlock team tod…
Quick Take Apart Series Rotary Airlock Valve
FEATURES & BENEFITS: Temperatures up to 500°F Up to +/- 12 PSI pressure differential Cast iron or stainless construction Direct drive gear-motors (9, 15, 23 RPM) Eight-blade rotors Tool-less removal of rotor Sizes 6…
Centrifugal Sifter
Centrifugal (Rotary) Sifters (RS-91, RS-151, RS-301, RS-700, RS-1500) are designed to meet high-capacity scalping and sifting for both large and small process applications, the Prater Rota-Sieve® proves its cost efficie…
Air Classifying Mill
Features Product grinding to a final size of 50 mesh to sub-micronTwo-stage closed circuit grindingInterstage air classification/air classifyingLarge access door for quick inspection/cleaningStandard door interlock Benef…
Not sure what size airlock you need?
Try our Airlock Size Recommendation Tool: answer a few simple questions and we'll provide a recommendation on what size airlock to use.
