Routine sampling sits at the heart of quality assurance, yet many sampling points introduce the very contamination they are meant to detect. The Alfa Laval SB Micro Sampling Port Type M is a hygienic sampling port built to solve that problem at the source — delivering representative samples directly from tanks and pipework while protecting product integrity and operator safety.

How the weld-in sampling port ensures representative samples

The SB Micro Sampling Port Type M is constructed as a socket for direct welding into the tank wall or pipework. A threaded nipple, a membrane and a perforated disc that holds the membrane in place complete the assembly. Because the membrane forms a seal directly against the product, samples are drawn from the live process stream. This design provides accurate, repeatable results and removes the risk of secondary contamination that typically arises from complex sampling assemblies.

Sterile sampling valve: hygienic materials and construction

Product-wetted steel parts are manufactured in EN 1.4404 (AISI 316L), with 3.1 material certification available for documented traceability. The product-wetted elastomer is an NBR membrane seal selected for hygienic service. With only a handful of components, the port is straightforward to clean during routine plant hygiene routines, supporting consistent microbiological results sample after sample.

Operating envelope and process fit

The SB Micro Sampling Port Type M handles a maximum inlet pressure of 10 bar and operates across a temperature range of 1°C to 90°C, covering the conditions encountered in most hygienic process lines and tank installations. Small sample volumes minimise product loss and process disruption, while the weld-in housing integrates into existing vessels and pipe runs. For plant teams, the result is a sampling point that supports rigorous quality control without slowing production or introducing additional cleaning burden.