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1.7 Hygiene levels
Areas at the ma-
chine
Definitions Product contact surface
Machinery surfaces that are exposed to the product and from which the other ma-
terials can drain, drip, diffuse or be drawn into (self-returned) the product or prod-
uct container. Indicated as red.
Splash area
Area composed of surfaces where product may come into contact and does not
return to the product. Indicated as yellow.
Non-product contact surface
All other exposed machinery surfaces including, where applicable, the splash ar-
ea. Indicated as green.
Special hygiene
rules
– Observe the hygiene, i.e. no condensation, foreign bodies, lubricants and the
like above or near the product contact surface (sealing, piping, air-condition-
ing, motors etc.);
– Take care that no products fall where they do not belong, outside of the prod-
uct contact surface.
Non-product
contact surface.
(Green)
Splash area.
(Yellow)
Product contact
surface. (Red)
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