These standards cover the sanitary aspects of compression-type valves (reference 3-A drawings, number 3-A-100-24 and 3-A-100-25) used on processing equipment and on equipment and lines which hold or convey milk or milk products.
In order to conform to these 3-A Sanitary Standards, compression-type valves shall comply with the following in design, material and fabrication criteria and the applicable documents referenced herein.'