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Telltale For Rupture Disks
Started by Guest_rammohan_*, Feb 02 2004 08:28 PM
1 reply to this topic
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#1 Guest_rammohan_*
Posted 02 February 2004 - 08:28 PM
Dear Philip,
I have a problem with a typical case of Rupture disks.
We had used RCS type disks (24") of Continental Disks with a Telltale indiactor (pressure switch by Custom Control Sensors model 646GZE1-7023). The service is LP Flare KO drum discharge. The discharge side of the PSE (rupture disk) is connected to the the line itself downstream. The normal D/P is 0.4 bar and the Rupture disk is set for 1.04 bar d/p bursting pressure.
The client says this will not work and so unsafe and poor enginering. The supplier says it is OK and I too believe it is OK. The client believes an alarm strip only will workof the type continental supplies as BDI strip.
I will appreciate if you can you give me an advise based on your thoughts.
Truely
rammohan
#2
Posted 05 February 2004 - 08:01 PM
Rammohan,
As long as what the client wants will work, then I tend to give it to them. If I strongly disagree, I will try to change their minds. If they still won't see it my way, then I will give them what they want anyways but I will document my objections.
In your case, their request is very reasonable as this is the preferred means to detect a bursting rupture disk. You mention in your post that the "supplier" agrees with you. Is this the manufacturer? Often, the manufacturer and the supplier are two different entities.
I don't like a switch since switches can, and do, fail. This is probably what has your client is concerned about. Just give them the BDI strip and sleep easy.
As long as what the client wants will work, then I tend to give it to them. If I strongly disagree, I will try to change their minds. If they still won't see it my way, then I will give them what they want anyways but I will document my objections.
In your case, their request is very reasonable as this is the preferred means to detect a bursting rupture disk. You mention in your post that the "supplier" agrees with you. Is this the manufacturer? Often, the manufacturer and the supplier are two different entities.
I don't like a switch since switches can, and do, fail. This is probably what has your client is concerned about. Just give them the BDI strip and sleep easy.
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