EN 1672-2:1997 is a European Standard that specifies hygiene requirements for food processing machinery. Specifically, it covers the design, construction, and cleaning of machinery used in the processing of food, beverages, and pharmaceutical products. The standard aims to ensure that such machinery is designed and built in a way that prevents contamination, facilitates thorough cleaning, and maintains food safety standards.

Key aspects covered by EN 1672-2:1997 include:

1. Materials and Surfaces: The standard sets guidelines for selecting materials that are safe for contact with food and that can withstand the cleaning and sanitizing processes without deteriorating or contaminating the food products.

2. Design and Construction: The standard provides recommendations for the design of machinery to prevent the accumulation of debris, dirt, and microbial growth. It addresses factors like smooth surfaces, avoiding sharp edges and corners, and minimizing crevices where contaminants can collect.

3. Accessibility for Cleaning: The standard emphasizes that machinery should be designed to allow easy access for cleaning and maintenance. This includes features like removable parts, dismantling, and reassembly procedures to ensure that all parts of the machinery can be properly cleaned and sanitized.

4. Cleaning Procedures: EN 1672-2:1997 outlines cleaning procedures and methods that manufacturers should consider during the design phase. This includes considerations for using appropriate cleaning agents, ensuring effective drainage, and providing adequate access points for cleaning equipment.

5. Validation of Cleaning Processes: The standard also highlights the importance of validating the effectiveness of cleaning procedures to ensure that all potential sources of contamination have been adequately addressed.

6. Documentation and Instructions: Manufacturers are encouraged to provide clear and comprehensive documentation and instructions for the proper cleaning and maintenance of their machinery. This assists operators in maintaining hygiene standards throughout the machinery’s lifecycle.