GB12073-1989

Security and sanitary standard for dairy equipment

乳品设备安全卫生

GB 12073-1989 es una norma nacional china obligatoria vigente: Security and sanitary standard for dairy equipment. Sector: Electrónica. Enfoque: Seguridad de productos. Entrada en vigor: 1 jul 1990.

La aplicabilidad depende del alcance del producto, la vía de certificación, los avisos de la autoridad competente y las reglas de transición. Solicite una traducción o verifique la fuente antes de usar esta ficha en una decisión de cumplimiento.

Resumen de cumplimiento

Este resumen está disponible por ahora solo en inglés.

Alcance y aplicabilidad

This standard is specifically applicable to dairy processing equipment, outlining the material, design, and safety requirements for machinery directly involved in the processing of milk and dairy products. It does not apply to power supply equipment such as boilers and motors, nor to laboratory inspection instruments. Engineers must verify if their equipment falls under the specialized categories listed in the standard to ensure compliance.

Requisitos técnicos

The standard rigorously defines the material hygiene requirements for both product contact surfaces and non-product contact surfaces. For metallic materials, it specifies the use of certain grades of stainless steel and cast aluminum alloys, strictly prohibiting materials that may rust after welding. Non-metallic materials like plastics, rubber, and fibers must be non-toxic, non-absorbent, and stable under cleaning and sterilization conditions. Glass fiber materials are explicitly banned from use on dairy equipment. Regarding mechanical design, the standard sets strict limits on surface roughness (Ra values) for various components, ensuring that product contact surfaces are free of pits, cracks, and crevices. It details comprehensive rules for connections, welding, and corner radii (specifically mandating rounded corners for internal angles ≤135°) to prevent liquid retention and facilitate cleaning. Designers must ensure all parts in contact with products are easily cleanable or dismantlable for manual washing. The standard also outlines general mechanical safety requirements, including the installation of protective guards for rotating parts, electrical safety parameters, and pressure vessel safety limits. Furthermore, it establishes specific operational constraints, such as a maximum allowable noise level of 85dB and minimum installation clearances from the ground and walls. Equipment must feature safety interlocks and clear operational labeling on nameplates. Additionally, the document provides special requirements for specific dairy equipment types, including storage tanks, milk pumps, heat exchangers, vacuum evaporators, and butter churns. These sections address unique structural needs, such as insulation efficiency for tanks, tilt angles for drainage, and specific air filtration limits to prevent contamination.

Métodos de ensayo

The standard primarily focuses on design and manufacturing criteria rather than specific laboratory testing protocols. However, it references evaluation procedures for material properties, such as checking the corrosion resistance of metals and verifying the stability of non-metallic parts under working conditions. It also outlines inspection criteria for surface finish, structural dimensions (e.g., corner radii, clearances), and operational safety checks, such as verifying noise levels and the functionality of safety interlocks.

Preguntas frecuentes

What products are regulated under GB 12073-89?

It applies to specialized dairy processing equipment. However, it explicitly excludes power supply equipment such as boilers and motors, as well as laboratory inspection instruments.

What are the key material requirements for product contact surfaces in GB 12073-89?

The standard mandates strict material hygiene (e.g., specific stainless steel and aluminum grades), strict surface roughness limits for product contact areas, and detailed mechanical safety requirements including noise limits and guardrails. It also includes specific structural criteria for equipment like storage tanks and heat exchangers.

How does GB 12073-89 differ from general international food equipment standards?

While it shares the core goal of ensuring food safety through hygienic equipment design, GB 12073-89 is a Chinese national standard that includes specific local material designations (e.g., specific GB steel grades) and precise structural parameters tailored to the domestic dairy industry. Engineers should review the exact parameters rather than assuming direct equivalence to ISO or 3-A standards.

The summary above provides a high-level overview of GB 12073-89. To ensure complete compliance for your dairy processing equipment entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 12073-89 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Seguridad
CCS: Y99
ICS: 67.260
Organismo competente: Ministry of Industry and Information Technology
Comité técnico: Ministry of Industry and Information Technology