Centrifugal and positive displacement pumps are the most common pumps used in food, beverage and pharmaceutical processes.
Centrifugal Pumps
These pumps feature a rotating impeller and a stationary casing. Centrifugal pumps are well suited to applications involving variable flow rates. Flow capacity is regulated by throttling and varying impeller speed.
Products typically handled by centrifugal pumps*:
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Batter
Fats & Oils
Flavorings
Sweeteners
Slurries
Beer
Wort
Yeast
Fruit drinks
Soft drinks
Wine |
Alcohol
Syrups
Milk
Cream
Whey
Sweetened condensed milk
Liquid fat
Frying oil
Cleaning solutions |
Positive Displacement Pumps
Positive displacement pumps have an expanding cavity on the suction side of the pump and a decreasing cavity on the discharge side. Unlike a centrifugal pump, a positive displacement pump will produce the same flow at a given speed, regardless of discharge pressure.
Products typically handled by positive displacement pumps*:
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Batters
Flavorings
Frostings
Yeast slurry
Liquid sponge systems
Dough
Fruit fillings
Frying oil
Sweeteners
Flavor syrups
Citrus processing
Fruit drinks
Fruit concentrates
Fruit puree
Crushed fruit
Emulsions
Meat products
Deboned meat
Rendering operations
Prepared meat products
Ground meat |
Fat
Baby foods
Soups
Cream style vegetables
Diced vegetables
Tomato paste, sauce
Ketchup
Puddings
Jellies
Salad dressings
Mayonnaise
Potato salad
Gravy
Chocolate
Chocolate liquor
Milk chocolate
Cocoa butter
Fondant
Cream fillings
Cleaning solutions |
*Several factors influence pump selection and sizing. Contact your account manager or our customer service department to have a centrifugal or positive displacement pump quoted for your specific application.
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Related: Sanitary Tube, Fitting Guide, Gasket Guide