Automatic emergency valve closers on chlorine tonners
Automatic emergency valve closers on chlorine tonners
(OP)
Hi:
I'm looking for a proven product that can do the following with five chlorine tonners.
1.Close automatically in the event of a chlorine leak.
2.Fail in the safe mode, ie valve closed, not open.
3.Be independent of plant line power.
4.Operate every time, or at least keep trying to operate
untill closed.
5.Open or close tonner valves as required.
We have tried out the Halogen system but there are several things that can go wrong, from module failure to a low battery. Hardly what you want to have to deal with with a chlorine leak.
Any help or direction would be appreciated.
I'm looking for a proven product that can do the following with five chlorine tonners.
1.Close automatically in the event of a chlorine leak.
2.Fail in the safe mode, ie valve closed, not open.
3.Be independent of plant line power.
4.Operate every time, or at least keep trying to operate
untill closed.
5.Open or close tonner valves as required.
We have tried out the Halogen system but there are several things that can go wrong, from module failure to a low battery. Hardly what you want to have to deal with with a chlorine leak.
Any help or direction would be appreciated.





RE: Automatic emergency valve closers on chlorine tonners
RE: Automatic emergency valve closers on chlorine tonners
RE: Automatic emergency valve closers on chlorine tonners
Thanks for that suggestion.
RE: Automatic emergency valve closers on chlorine tonners
would allow Cl2 to proceed to the injector?
I'm looking for a device that will close down the existing valve that comes with the toner, as supplied by the vendor. I guess the logic here is that if you can close the valve at the tonner, you stop any chances of Cl2 getting in from other tonners by backfeeding thru the header. This can however take a bit of torque to close. So if this device fails to close the valve in an emergency it is no longer a fail safe device.
What we are presently using has a bit of electronics with a battery power source, etc. The old story, the more complex the more chances of failing.
However I see your idea of using the monitor to trigger the line closed.
Thanks again
RE: Automatic emergency valve closers on chlorine tonners
If you are handling chlorine one major source of information is the Chlorine Institute (www.chlorineisntitute.org). They have an specific document handling this CI Publication "RECOMMENDATIONS FOR EMERGENCY CLOSURE DEVICES FOR CONTAINER VALVES". Perhaps interesting for you: http://w
Regarding the closing devices for ton containers, there are some supplier like: http://www.robo-control.com/Spec-2000C.asp . Search the Internet and you will find more.
rgs
rgs.
RE: Automatic emergency valve closers on chlorine tonners
RE: Automatic emergency valve closers on chlorine tonners
Thanks again.
RE: Automatic emergency valve closers on chlorine tonners
RE: Automatic emergency valve closers on chlorine tonners
Please visit http://www.powellfab.com/products/ValveClosure.asp
you will find all the responses there, please contact me at lfvivas@powellfab.com