GB/T 46125-2025Materials, design, manufacture, construction, and performance of commercial refrigerators and freezers (English PDF)

National Standard of the People's Republic of China

ICS

27.200

Classification

J 73

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• PrefaceV
• 1 Scope1
• 2 Normative References1
• 3 Terms and Definitions2
• 4 Materials2
• 4.1 General Rules2
• 4.2 Zinc-plated materials2
• 4.3 Solder2
• 4.4 Sealing gasket2
• 4.5 Canopies and Awnings2
• 4.6 Storage shelves3
• 5 Design and Structure3
• 5.1 General Requirements3
• 5.2 Exterior corners and bends3
• 5.3 Fasteners3
• 5.4 Interfaces and Seams4
• 5.5 Edges and Folds4
• 5.6 Reinforcing components and frame4
• 5.7 Inspection and Maintenance Control Panel5
• 5.8 Veneer5
• 5.9 doors5
• 5.10 Hinges6
• 5.11 Door Seal6
• 5.12 Door rails and guide rails6
• 5.13 Lid6
• 5.14 Openings in the food area7
• 5.15 Entrance7
• 5.16 Drainage outlet7
• 5.17 Hardware7
• 5.18 Handles and levers7
• 5.19 Door locks and latches7
• 5.20 Thermal Insulation Strip8
• 5.21 Shelf8
• 5.22 Ventilation opening8
• 5.23 Venetian blinds8
• 5.24 Equipment Installation9
• 5.25 Support legs and feet9
• 5.26 Casters, rollers, and pulleys10
• 5.27 Insulation11
• 5.28 Wood-cut boards and wood tabletops11
• 5.29 Temperature Controller11
• 5.30 Fragile Components11
• 5.31 Food drawer11
• 5.32 Food protective cover11
• 6 Other requirements for refrigerated boxes, freezers, and refrigerated food transport boxes13
• 6.1 General Requirements13
• 6.2 Zinc-plated materials13
• 6.3 Interior Angles and Corners13
• 6.4 Joints and seams13
• 6.5 Hinges13
• 6.6 Casters, rollers, and tracks13
• 6.7 Refrigeration and cooling elements13
• 6.8 Temperature display device (thermometer)14
• 6.9 Drainage14
• 6.10 Equipment Identification and Instruction Requirements14
• 6.11 Performance of Refrigerated Boxes and Refrigerated Food Transport Cabinets15
• 6.12 Freezer Performance15
• 7 Refrigerated display cases and refrigerated food preparation cabinets for buffets (16 units)16
• 7.1 General Requirements16
• 7.2 Interior Angles and Corners16
• 7.3 Equipment Identification and Instruction Requirements16
• 7.4 Refrigeration and Cooling Components16
• 7.5 Temperature display device (thermometer)17
• 7.6 Performance17
• 8 On-site assembled walk-in and push-in refrigerators and freezers18
• 8.1 General Requirements18
• 8.2 On-site assembled walk-in and push-in refrigerators and freezers18
• 8.3 Pre-fabricated walk-in and push-in refrigerators and freezers for storing unpackaged food20
• 8.4 Equipment Identification and Instruction Requirements21
• 8.5 Properties of polyvinyl chloride (PVC) laminated steel sheets or laminated aluminum sheets21
• 9 Freezer and refrigerated display cases22
• 9.1 General Requirements22
• 9.2 Material22
• 9.3 Design and Structure22
• 9.4 General hygiene requirements22
• 9.5 Fasteners22
• 9.6 Joints and seams22
• 9.7 Reinforcement and Frame22
• 9.8 Doors22
• 9.9 Drain hole23
• 9.10 Shelf23
• 9.11 Equipment Installation23
• 9.12 Refrigeration and cooling elements23
• 9.13 Temperature display device (thermometer)24
• 9.14 Equipment Identification and Instruction Requirements24
• 9.15 Performance25
• 9.16 Performance - Temperature Recovery Test25
• 9.17 Performance --- Auto Lock26
• 10 Rapid cooling cabinets and rapid freezing cabinets27
• 10.1 General Requirements27
• 10.2 Interior angles and corners27
• 10.3 Refrigeration and Cooling Components27
• 10.4 Temperature display device (thermometer)27
• 10.5 Equipment Identification and Instruction Requirements27
• 10.6 Performance28
• Appendix A (Normative) Preparation of Test Media for Performance of Buffet Refrigerated Display Cases29