3-A approvedATEX compliant modelsProfile seals with ID markings that eliminate gaps and facilitate ordering of sparesFlexible design - the shaft and seat can be changed to accommodate changed Kvs values (fully developed modular system)Easy to maintain - the valve insert can be lifted out completelyValve design and testing according to DIN IEC 534All stainless steel product contact parts are made of AISI 316L / DIN EN 1.4404 grade material.Available in nominal dimensions DN 25 – DN 150 and 1” – 4”.In addition, SPX FLOW offers RG4 modulating valves in noise reduced design.Modulating Valve Sizing Request || USDownload the PDF form, complete and submit. A local SPX FLOW agent will be contacted with your valve sizing request.