Sealing technology manual for the process industry

ABBRE- VIATION FULL NAME DESCRIPTION I IRHD International Rubber Hardness Degree Measure of the hardness of an elastomeric material, especially in case of small cord sizes, German term also “microhardness determination” ISBT International Society for Beverage Technologists United States organization for the beverage industry ISO International Organization for Standardization ISPE International Society for Pharmaceutical Engineering International industry association for the pharmaceutical industry K KIWA Ministerial Expert Committee + Toxicity Sub- committee Directive from the Netherlands KTW Kunststoffe im Trinkwasser Plastics in drinking water: a German norm for the use of plastics and elastomers in drinking water facilities M MB Membran Elastomer diaphragm MBM Elastomermembran mit Metalleinlage Elastomer diaphragm with metal inserts MRO Maintenance, Repair and Operations MS Mass spectrometry Analysis method to separate particles according to their mass and to identify them hereby N NBR Acrylo-Nitrile-Butadiene-Rubber A base elastomer NSF National Sanitation Foundation The NSF defines standards for applications in the food industry (NSF 51) and drinking water applications (NSF 61) O OEM Original Equipment Manufacturer OML Overall Migration Limit Total amount of substances escaping from a sealing material under certain test conditions (EU Reg. 10/2011) OPC Open Plant Cleaning A cleaning method used in the process industry ÖVGW Österreichischer Verein des Gas- und Wasserfaches Austrian Gas and Water Union P PA Polyamide A thermoplastic PE Polyethylene A thermoplastic PEEK Polyetheretherketone A thermoplastic PFA Perfluoralkoxy Copolymer A thermoplastic POM Polyoxymethylene A thermoplastic PTFE Polytetrafluoroethylene A thermoplastic PU Polyurethane A thermoplastic R RFN Reduced Friction by Nanotechnology A patented Freudenberg method for reducing friction in elastomer seals RWDR Radialwellendichtring Rotary shaft seal S safe secure adaptive freudenberg encryption A product marking technology ensuring reliable identification SIP Sterilization In Place A sterilization method used in the process industry SML Specific Migration Limit Migration value of a single substance in tests according to EU Reg. 10/2011, see also OML T TOC Total Organic Carbon Sum parameter for the carbon content in water and wastewater analysis U USP United States Pharmacopeia Collection of recognized pharmaceutical rules originating in the USA V VDMA Verein Deutscher Maschinen- und Anlagenbau German Engineering Federation: a German industrial association VMQ Vinyl-Methyl-Polysiloxane A base elastomer, silicone W W 270 Part of KTW testing W 270 is concerned with the “propagation of microorganisms on materials used in drinking water applications – testing and assessment“ WDR Wellendichtring Shaft seals WIP Washing In Place A cleaning method used in the process industries WOP Washing Out of Place A cleaning method used in the process industries WRAS Water Regulations Advisory Scheme A standard / An organization responsible for the approval of machinery used in drinking water plants (Great Britain) APPENDIX PRODUCT PORTFOLIO MATERIALS RESISTANCE & PURITY ENGINEERING PLASTICS ELASTOMERIC MATERIALS TECHNICAL FUNDAMENTALS INTRODUCTION 93

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