Butterfly valves and control valves in the design wafer and lug in nominal pressure PN 10 from DN 25 – DN 1000 lined with mPTFE/PFA or in combination with optimized use of metallic materials. Body materials alternatively: cast iron, stainless steel or composite plastic. For use accessories can next manual operations also external actuation types (pneumatic and electric) incl. the measurement and control technology be installed. All versions meet diverse normative bases and of further technical codes.