Butterfly Valve
Be careful of Butterfly Valve Bray S30/31 (Normal Service) and S40/41
(Fire/Deluge/Foam Service, Side Shell/Sea Chest/OVBD Valve), the
face to face dimension is different. So do not mix use. Further more
Machines FLG needed for some size of S40/41 to match minimum ID
require by valve disc to be open. (Refer construction standard Part 2
Sheet 16)
这才是正规的说法!
Butterfly Valve
Be careful of Butterfly Valve Bray S30/31 (Normal Service) and S40/41
(Fire/Deluge/Foam Service, Side Shell/Sea Chest/OVBD Valve), the
face to face dimension is different. So do not ...
小妹 发表于 2010-4-21 21:28