... high and will cause pulses. Working Principle Rotary lobe pump is a positive displacement pump, which has two rotors in the ... chamber between the rotor and the pump head casing, and is forced out on the outlet side. Applications Rotary lobe pumps ... , beer, soft drinks, fruit juice, pudding, tomato sauce, sesame, peanut butter, condiment, edible oil, cheese blocks, whey, wort, yeast,etc.●Daily chemicals ...