Apr 16, 2002 1 #2 TD2K Chemical Jan 11, 2002 2,629 Do a search for Anderson Greenwood, they have lots of on-line information on safety valves, Farris would be another good site to look at. Upvote 0 Downvote
Do a search for Anderson Greenwood, they have lots of on-line information on safety valves, Farris would be another good site to look at.
Apr 22, 2002 Thread starter #3 Guest blowdown rings accomplish two basic purposes; 1. along with the disc holder they form a "huddling " chamber that will provides the "pop" action necessary for the safety valves. 2. adjustment of the blowdown ring(s) varies the diffence between the set pressure and reseating pressure of the valve. Upvote 0 Downvote
blowdown rings accomplish two basic purposes; 1. along with the disc holder they form a "huddling " chamber that will provides the "pop" action necessary for the safety valves. 2. adjustment of the blowdown ring(s) varies the diffence between the set pressure and reseating pressure of the valve.
Apr 23, 2002 #4 MortenA Petroleum Aug 20, 2001 2,996 If you have problems with the max 3% dP on the PSV header then the blowdown ring could be your solution. The manuf. should always confirm that its OK and of course so should good engineering judgement. Best Regards Morten Upvote 0 Downvote
If you have problems with the max 3% dP on the PSV header then the blowdown ring could be your solution. The manuf. should always confirm that its OK and of course so should good engineering judgement. Best Regards Morten
