Metal flat valves for the regulation and restriction of a flow of fluid resulting in a constant flow of fluid independent of the pressure, other than parts of machines

Mechanical valves being parts of machines for the regulation and restriction of a flow of fluid resulting in a constant flow of fluid independent of the pressure; apparatus and instruments for the regulation and restriction of the flow of liquid resulting in a constant volume flow independent of the pressure as machine parts, namely, volume flow limiters and cases specially adapted therefor; machine parts, namely, aerators, seal rings, volume flow limiters for the regulation and restriction of the flow of liquid in pipes resulting in a constant volume flow independent of the pressure; parts specifically adapted to be used as components of pumps for machines, namely, volume flow limiters for the regulation and restriction of the flow of liquid resulting in a constant volume flow independent of the pressure; parts specifically adapted to be used as components of pumps for machines, namely, volume flow limiters and cases therefor for the regulation and restriction of the flow of liquid in pipes, resulting in a constant volume flow independent of the pressure; cartridges being parts of machines specifically adapted for use on machines consisting of modular regulation or limiting systems for the regulation and restriction of the flow of liquid in pipes, resulting in a constant volume flow independent of the pressure; cartridges being parts of machines specifically adapted for use on pumps for machines consisting of modular regulation or limiting systems for the regulation and restriction of the flow of liquid in pipes, resulting in a constant volume flow independent of the pressure

Regulating accessories, namely, metered valves for water pipes for the regulation and restriction of the water flow with water taps, resulting in a constant volume flow independent of the pressure; regulating accessories, namely, metered valves for water apparatus and pipes for the regulation and restriction of the water flow, resulting in a constant volume flow independent of the pressure; regulating accessories, namely, metered valves for water pipes, irrigation systems, and sanitary installations for the regulation and restriction of the water flow resulting in a constant volume flow independent of the pressure; liquid flow regulation and restriction apparatus, namely, volume flow limiters for regulating and restricting the flow of liquid resulting in a constant volume flow independent of the pressure; liquid flow regulation and restriction apparatus, namely, volume flow limiters for regulating and restricting the flow of liquid in pipes, resulting in a constant volume flow independent of the pressure; cartridges in the nature of metered valves specifically adapted for use in/on water pipes, irrigation systems, and sanitary installations consisting of modular regulation or limiting systems for the regulation and restriction of the water flow resulting in a constant volume flow independent of the pressure; cartridges in the nature of metered valves specifically adapted for use on/in liquid pipes consisting of modular regulation and limiting systems for the regulation and restriction of the flow of liquid resulting in a constant volume flow independent of the pressure

Flat valves of plastic being other than machine parts for the regulation and restriction of a flow of fluid in pipelines resulting in a constant flow of fluid independent of the pressure