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Part 2: Guidance on task requirements
ensure their safe use
Also available: BS EN 980 on CD-ROM Graphical symbols for use in the labelling of medical devices CD-ROM
surface characteristics
BS EN 4536-2 specifies the characteristics of plain bushes in corrosion resisting steel with self-lubricating liner
Industrial valves. Metallic butterfly valves Ingestion-build-134498 Part 2: Guidance on taskThis 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
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