Wedge Wire Strainers in the Food Beverage Industries

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Consider that in 2014, North America consumed 51.16 billion liters of carbonated soft drinks – all of which had to go through some type of sanitary strainer at some point. The burden of maintaining these high levels of product purity required by regulatory agencies often rests on the equipment used in their manufacturing process. As such, the use of sanitary strainers for food and beverage production process must be understood.

Why choose wedge wire Strainers?

The need for wedge wire strainers is simple and straightforward: they are used by the food and beverage industry to remove impurities from the liquid stream of their products. This sanitary filtering improves product quality and ensures uniformity. Beverage and food strainers are manufactured from stainless steel mesh (316L), but other corrosion resistant alloys can be used for processing highly corrosive fluids. The mesh is designed in many sizes and shapes, and is either woven or welded together. These screens are tightly woven to provide an adequate straining material.

Types of Wedge wire filter Strainers

Wedge wire Strainers are broken down into three main filtering categories:

Coarse straining – for large particles

Medium straining – for particles 75 to 1905 microns

Filtration – for particles down to 5 microns

Polishing strainers to a very low surface roughness makes them extremely easy to clean, which is important for maintaining product safety. Any corrosion could lead to bacterial growth that causes contamination and potential health issues for consumers. Additionally, legal and regulatory sanctions are also possible as a result of such a breach in production hygiene.

Strained Brews and Other Examples

UBO wedge wire strainers are found across several industries served by UBO wedge wire Strainers, processing a wide range of products. Here are a few examples of their application:

Craft breweries – utilize highly customized strainers to remove hops, pumpkin and fruit pulp based on the flavors developed

Beverage and juice processing plants – juices, sodas are common, however tomatoes and citrus-based products are high in acid content, requiring more resistant alloys in strainer construction

Dairy processing plants – ice cream, cheese, butter, milk, chocolate and yogurt can present challenges depending on their flow rate through the system and tendency to congeal and need industrial food strainers

Food manufacturers – use mesh strainers for foods such as salad dressing, ketchup, mustard, and mayonnaise

Picking the Best Sanitary Strainer

There are five key considerations to remember when deciding on which type of sanitary strainer to use as food and beverage filters:

Which industry is the strainer being used?

How is the strainer being applied?

What is the size of the line and process flow rate?

What percentage of solids must be captured?

What is the particulate size requiring removal?

Product temperature, viscosity and line pressure are also important factors. Clogged strainers reduce throughput and eventually cause production stoppages. Often the use of a dual or duplex strainer unit is required, which permits the cleaning of one strainer while the other continues operation. The right strainer will perfectly maintain product integrity without compromising safety, quality or cost.