NF EN 558+A1

Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves

Le présent document prescrit les dimensions face-à-face (FAF) et face-à-axe (FAA) des appareils de robinetterie métalliques désignés PN et désignés Class utilisés dans les réseaux de tuyauteries à brides.

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