Sanitary-Connected Thermowells are offered in 304 and 316 stainless steel. The DW and DR series are welded constructions, and they are available in a variety of lengths, cap styles, cap sizes, and optional lagging extensions. Thermowells are supplied with a surface finish that meets or exceeds 32 µin Ra. Surface finishes of 15 µin Ra or better are available upon request. They are designed with a standard 0.260\" bore diameter to accommodate sensing elements with a 0.252\" maximum diameter. These wells are available as separate components or as part of complete sensor assemblies.