Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations pierreick on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

EN 20898 8.8 bolting (for ped valves)

Status
Not open for further replies.

Johnwoo1991

Materials
Nov 21, 2023
11
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?
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor