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FDA

U.S. Food and Drug Administration

FFKM

Perfluoroelastomer rubber

Filter or Strainer

In Line strainer used to remove solid material from the liquid stream. Positioned usually after the CIP feed pump or on the return leg. The strainer pore size is chosen to provide a trap for material that could block a spray device.

Filtration

Is a mechanical or physical process to separate solid particulates from fluids.

FKM

Fluorine rubber (Viton®)

Flow Plate

A mechanical selection panel that allows a number of different connection options.

Flow Rate

The flow of a liquid measured as a volume over a period of time e.g. (m³/s).

Flow Switch

A device that switches if a flow of liquid in a pipe is detected.

Fluid

A liquid or a gas

Flux

The rate of extraction of permeate measured in litres per square metre of membrane surface area per hour (l/m²/h). Relevance to membrane filtration.

Foam Cleaning

Foam cleaning refers to the cleaning process where the main detergent is applied as foam. Foam cleaning was introduced during the last 30 years and has proven to be a very effective, efficient and popular method for cleaning factories and equipment.  Along with the improvement in foam technology, such as long cling foams and quick break foams and the introduction of different types of foam detergents, it has become possible to apply foam cleaning to almost all types of environments and materials of construction. Foam is created by mixing water, detergent and air together and applying it via a hose with a special nozzle or lance onto the surfaces and equipment. 

Fogging

Device that acts like a giant aerosol for adding a mist of fine droplets of disinfectant or odour neutralizer to the air.

Food hygiene

All conditions and measures necessary to ensure the safety and suitability of food at all stages of the food chain.

Food safety

Assurance that food will not cause harm to the consumer when it is prepared and/or eaten according to its intended use.

Food suitability

Assurance that food is acceptable for human consumption according to its intended use, this word is now more and more preferred to ‘wholesomeness’.

Fungi

Advanced multicellular organisms, examples are mould and mildew.

Fungicide

Chemical agent that destroys fungi