UNE EN 558:2022
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves
Válvulas industriales. Dimensiones entre caras opuestas y dimensiones del centro a una cara de válvulas metálicas para utilizar en sistemas de canalizaciones con bridas. Válvulas designadas por PN y por clase.
| Standard number: | UNE EN 558:2022 |
| Pages: | 56 |
| Released: | 2022-11-30 |
| Status: | Standard |
| Pages (Spanish): | 53 |
UNE EN 558:2022
This document specifies the face-to-face (FTF) and centre-to-face (CTF) dimensions for PN and Class designated metal valves used in flanged pipe systems. This document covers valves with the following PN, Class and DN values: PN 2,5; PN 6; PN 10; PN 16; PN 25; PN 40; PN 63; PN 100; PN 160; PN 250; PN 320; PN 400; Class 125; Class 150; Class 250; Class 300; Class 600; Class 900; Class 1 500; Class 2 500; DN 10; DN 15; 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 500; DN 600; DN 700; DN 750; DN 800; DN 900; DN 1 000; DN 1050; DN 1 200; DN 1 400; DN 1 600; DN 1 800; DN 2 000. For valves in other shell materials than metal the same FTF and CTF dimensions can be used. For relationship between DN and NPS, see Annex B.
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