Special cleaning degreased unlubricated - US Application area Wherever special surface cleanliness is required for parts that come into contact with the media, but where the customer wishes to use his own lubricant. Quality Surface cleanliness < 33mg/m2 TOC per ASTM* G93-93 , Level B. Every order is traceable; assembly and testing are done in a special, clean environment. SERTO specifications CSO-OX. *American Society for Testing and materials Scope of supply Individually packaged in weldsealed PE bags, special label, not assembled, i.e. loose nut and compression ferrule Important information The parts are generally not lubricated, however certain points must be lubricated for optimal functioning. Prior to assembly, the nut and the compression ferrule must be lubricated with a suitable lubricant. Product range Unions and valves in - brass - chem. nickel-plated brass - stainless steel. Plastic and other products available on request. Ordering information SERTO products which need to be supplied degreased and unlubricated must be clearly marked with US after the material number or the material description when ordering. e.g: SO 51121-8-1/4 US or 058.1101.170.US