The document discusses LESER's Series 48X clean service safety valves. It provides three key points:
1) The valves are designed for clean service applications in industries like food, beverage, and pharmaceutical. They have features for maximum cleanability like low dead space, gap-free internals, and sanitary connections.
2) The valves come in different types suited for small to large capacities. They have options for hygienic designs, materials, and surface finishes appropriate for the application.
3) LESER valves meet international standards for hygienic design like DIN 11866 and ASME BPE. Their surfaces are precisely defined and finished to levels that ensure effective cleaning without