Industrial valves. Metallic butterfly valves Ingestion-build-109673 specifies nominal aperture sizes and

specifies nominal aperture sizes and shapes for woven wire cloth and perforated plate in test sieves used for test methods for aggregates

convenient

This standard shall be read in conjunction with EN 1363-1

4 Purpose of application profiles

Industrial valves. Metallic butterfly valves Ingestion-build-109673 specifies nominal aperture sizes andThis European Standard specifies requirements for butterfly valves having metallic bodies for use in flanged or butt welding piping systems and used for isolating, regulating or control applications. The PN and Class ranges are as follows: PN 2,5; PN 6; PN 10; PN 16; PN 25; PN 40; Class 150; Class 300. The DN range is as follows: DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN 100; DN 125; DN 150; DN 200; DN 250; DN 300; DN 350; DN 400; DN 450; DN