Proper ingredient transfer tools are vital to maintain optimal effectiveness and high product quality whilst balancing working expenses. Food and beverage processor chips use a difficult job making purchasing decisions when installing new gear or upgrading outdated gear. A 4-component formula is present to choose the right pump technology for food and beverage applications.

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Meals and beverage processing has an abundance of alternatives for material pumping. The choices can seem overwhelming for users, from the industry’s new twin screw pumping systems, the reliable rotary lobe pumps, the flexible electric and air-run diaphragm pumps, the powerful piston pumps, etc. There is a settings available in the market to meet a user’s requirements. These considerations will steer customers within the right direction.

1. Stream Price

The volume flow rate is determined by multiplying materials velocity and tubing dimension to find out gallons/liters per minute.

Determining flow rate is critical when deciding on the ideal pump. A water pump that is certainly not big enough for that application will operate as well hard or as well hot, which may cause pump failure. A pump which is too big will incur larger purchase and operating costs. As being a general principle, pumping systems ought to run at 30 % to 60 % of optimum capacity. This reduces unneeded wear due to high speeds and enables future growth or process capabilities if required. This holds real for rotary lobe, diaphragm, dual attach, sine pumps, and just about any other pump that may be set up in an application.

2. Product Qualities


Fluid viscosity is the most concerning feature to water pump operators. The above flow price performance rating for pumps will reduce with material viscosity. Most pumping systems are ranked for maximum stream price with water at 1 centipoise (cP). Most food ingredients are thicker than water, decreasing optimum productivity between 5 percent to over 25 % performance reduction. Typically, centrifugal pumps can be used as lower viscosity liquids and pumps like piston, lobe, diaphragm as well as others are used for higher viscosity fluids.

Materials viscosity will affect how well the water pump can load material into the inlet of the pump as well as output. Lobe pumps usually do not create significant inlet suction and also a difficult time priming greater viscosity fluids. Electric or pneumatic diaphragm pumping systems and peristaltic pumps have the ability to load high viscosity components into the water pump with all the suction power they produce. If the material’s viscosity exceeds 100,000 cP, a ram unit will be asked to use downwards stress to materials to the water pump when unloading from storage containers.


Materials abrasiveness can degrade pump components effortlessly, specially when using centrifugal-style pumping systems, which causes higher repair costs. Materials with high sugars content will quickly break down elements in comparison to other materials. Lobe pumps will sometimes use specialty components and films to correctly handle this improved abrasion but can still have a problem with leaking rotary seals and rotor put on as time passes. Diaphragm pumps, which tend not to employ a rotary seal or rotating components, handle abrasive components much easier compared to the tight tolerances required in lobe pumps.

Material shear

In applications like tomatoes, pie fillings, ricotta cheese, meat and poultry, customers should know about materials shear. Diaphragm, peristaltic and sine pumps are mild on components and can not shear the fabric being motivated like a centrifugal, lobe, twin attach or other rotary-style pump. This is very important for users whose items suffer from shear and heat where it can alter the last product made by the machine.

Particle dimension

Users should be aware of any solids or contaminants in the materials becoming transmitted. Meals ingredients such as salsa, fresh fruit fillings and others have large-sized pieces of food inside the fluid. Diaphragm pumping systems with flapper inspections and peristaltic pumps are made to handle solids upwards of 4-plus in . in size. Rotary pumping systems can handle some solids, however, not of the significant dimension and quite often damage particles and degrade the content due to the pump style and operating speed.

3. Construction Components

Ensuring the pump components are suitable for the ingredient being transmitted will keep the pumps operating for any long time. Most hygienic pumps are built with stainless-steel, but all use some sort of elastomer seals that are much more vunerable to compatibility problems. Inside the meat and chicken company, many elastomers do not hold up well to animal fats and oils within the material.

Water pump building and elastomers also need to be compatible with the facility cleaning options and clean-in-place (CIP)/clear-out-of-place (COP) specifications. Numerous problems happen when a water pump elastomer or seal is atazyc with the food component but are not able to handle the caustics used to clear the equipment.

Water pump clear-ability and plant cleaning methods should be thought to select the right pump. Does the facility require a pump that is capable of becoming cleaned in place rather than eliminated? This may immediate users toward rotary lobe or any other rotary pumping systems designed for CIP ability. Diaphragm pumping systems can be washed in position but are material centered. Many plants are using vapor-in-place cleaning-which means all pump elements should withstand the extreme vapor temperatures run through the pumping systems.

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