NSF ANSI 7 pdf free download
NSF ANSI 7 pdf free download.Commercial Refrigerators and Freezers.
4 Materials
This Section contains general requirements that apply to all equipment covered under the scope of this Standard.
The requirements contained in this Section are intended to protect food from contamination and ensure that the materials used in the manufacture of refrigerators and freezers resist wear; penetration by vermin; and the effects of foods, cleaning compounds, sanitizers, refrigerants, and other substances that may contact the materials in the intended use environment.
4.1 Conformance to NSF/ANSI 51
Materials shall conform to the requirements in NSF/ANSI 51 applicable to the zone in which the material is used.
4.2 Zinc-coated materials
4.2.1 Galvanized and other zinc alloy-coated materials shall not be used inside refrigerated food storage compartments, except compartments intended exclusively for the storage and/or display of packaged foods only or the material is protected by an additional coating conforming to NSF/ANSI 51.
4.2.2 Zinc-coated fasteners may be used in food zones but shall not be used in areas having direct food contact.
4.3 Solder
Solder containing lead as an intentional ingredient shall not be used in a food zone or splash zone.
4.4 Gaskets
Gaskets shall be made of resilient rubber, rubber-like materials, plastics, or a combination thereof.
4.5 Canopies and awnings
Canopies, awnings, and similar overhead decorative items located at least 36 in (91 cm) above all working surfaces shall be exempt from the material smoothness and cleanability requirements of this Standard. These items shall conform to applicable design and construction requirements of this Standard.
4.6 Storage shelving
Storage shelving that is manufactured, in whole or in part, of metallic materials and is intended for use in
refrigerator or freezer interiors shall meet the corrosion resistance requirements in NSF/ANSI 51,
Section 8.
4.6.1 Shelving manufactured of stainless steel in the AlSI 200 or 300 series, or of aluminum of the alloy series / designations listed in NSF/ANSI 51, Sections 4.2.2.1 and 4.2.2.2, is exempt from corrosion resistance requirements.
4.6.2 The coating requirements in Section 6 of NSF/ANSI 51 shall also apply to storage shelving.
5.24.2 Counter-mounted equipment shall be designed and manufactured to be:
— portable; or
— sealed to the counter; or
— elevated on legs that provide a minimum unobstructed clearance of 4.0 in (102 mm) beneath the unit; or
— elevated on legs that provide a minimum unobstructed clearance beneath the unit of 3.0 in (76 mm)
provided that no part of the counter top under the footprint of the equipment is more than 16 in (41 cm)
from the point of cleaning access; or
— elevated on legs that provide a minimum unobstructed clearance beneath the unit of 2.0 in (51 mm)
provided that no part of the counter top under the footprint of the equipment is more than 3.0 in
(76 mm) from the point of cleaning access.
5.24.3 Portable equipment shall not weigh more than 80 lb (36 kg) and shall not exceed 36 in (91 cm) in any plane.
5.24.4 Utility connections on portable equipment and mobile equipment shall be designed to be disconnected without the use of tools or shall be of sufficient length to permit the equipment to be moved for cleaning.
5.24.5 Equipment intended to be sealed to the floor or counter shall not create inaccessible cavities or areas that may be subject to soiling or vermin harborage.
5.24.6 Kick plates on floor-mounted equipment shall be removable.
5.25 Legs and feet
5.25.1 Legs and feet shall be fastened to the body of the machine and shaped at their floor or counter contacts to minimize the accumulation of dirt and the harborage of vermin.NSF ANSI 7 pdf download.
