Martin wrote: > Ron Jones wrote... >> Martin wrote: >>> >>> There is usually (/often?) a red button saying emergency stop. But >>> the question is: how do you close all the paddles quickly in an >>> emergency? > > So - do the paddles close instantly or do they trickle down at the > speed they go up?
They go down at the rate they always go down when the gates open, which is quite fast - I would guess about 3-4 secs, and is probably a lot faster then someone could close two paddles manually Ron Jones Process Safety & Development Specialist Don't repeat history, unreported chemical lab/plant near missesa at http://www.crhf.org.uk Only two things are certain: The universe and human stupidity; and I'm not certain about the universe. ~ Albert Einstein Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/canals-list/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/canals-list/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
