SMS/DIN 11851stainless Steel Sanitary Welded Liner Part

1. Brief Introduction of Products:

A liner ferrule (also called a weld liner) is the smooth, flanged end component in a sanitary threaded union fitting. It welds directly to the stainless steel tubing. When paired with a threaded male ferrule, a gasket, and a union nut, it creates a leak-proof and cleanable seal. . Together with a welding male, a gasket, and a round or hex nut, it forms a secure, leak-proof, and easily disassemblable hygienic connection. 

2. Common Standards of Sanitary Unions: 

Sanitary unions are manufactured according to strict regional and global hygienic standards to ensure compatibility across processing equipment:

•DIN (DIN 11851 / DIN 11864): Widely used in European and global beverage and food processing.

•SMS (SMS 1145): Swedish standard (Swedish Manufacturing Standard) highly common in dairy and brewery applications.

•3-A Sanitary Standards (3A): A major US benchmark that ensures high cleanability and compliance with FDA regulations.

•RJT & IDF: British standards commonly found in older or legacy dairy and pharmaceutical operations. 

3. Technical Specification:

      DIN Standards Type A

       DIN Standards Type B

This product are also available in DIN, ISO/IDF, SMS, BSP standards. Please feel free to contact us if you need it in other standards!

4. Key Applications and Use Cases:

• Food and Beverage: Utilized in dairy processing, breweries, and bottling plants to prevent bacterial growth and safely manage consumable fluids. 

• Pharmaceuticals & Biotech: Deployed in bioprocessing lines, simplifying the maintenance of strict sterility and preventing product contamination.

• Cosmetics & Personal Care: Connects mixing, heating, and transfer equipment to ensure batch purity.