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EN 20898 8.8 bolting (for ped valves)

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Johnwoo1991

Johnwoo1991

Materials
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Nov 21, 2023
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Is it possible in ball valves destined for Europe, to use 8.8 (EN 20898/ISO 898) bolts for the cover and trunnion? Many valve manufacturers use L7/B7 for ped valves, but I never understood why they avoid 8.8. Is it just to avoid doing the PMA for the 2014/68 EU?
 
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