This reduces the likelihood of contamination that can occur during reassembly of valves that have to be removed for cleaning.
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Extended Shelf-Life (ESL) valves from Filler Specialties (Zeeland, MI) are for bottlers looking for accurate fills and easier cleaning. These valves have tri-clamp connections in place of slip joints, which means cleaning can be done in place.
This reduces the likelihood of contamination that can occur during reassembly of valves that have to be removed for cleaning.