Locke open/cloesed vs car seal open/closed
Locke open/cloesed vs car seal open/closed
(OP)
Dear friends,
What is the difference between locked open/closed valves and car seal open/closed valves? Is there any difference in appearance of these valves?
I tried to find the answer in the net but I couldn't. Could u mind share ur knowledge and photos, if any.
Best Regards,
B.Smith
What is the difference between locked open/closed valves and car seal open/closed valves? Is there any difference in appearance of these valves?
I tried to find the answer in the net but I couldn't. Could u mind share ur knowledge and photos, if any.
Best Regards,
B.Smith





RE: Locke open/cloesed vs car seal open/closed
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RE: Locke open/cloesed vs car seal open/closed
Any standard valve (Gate, Globe, Ball, Plug, Needle, Diaphram, Orbit, Butterfly, etc) can have a locking device or Car-Seal added to it. Conversely any valve that had these devices on them, can have them removed and then they are just valves.
prognosis: Lead or Lag
RE: Locke open/cloesed vs car seal open/closed
http://www.americanseals.com/meter-seals/spin-wire...
http://www.seton.com/wire-with-crimping-seal-js255...
Locked open / closed means exactly that, i.e. you need a key to open a padlock which is kept secure and only released against work permits etc. Tends to be for safety critical valves - isolation valves for Pressure relief valves for example - to keep them open or closed and stop someone changing the position without authorisation.
The valve looks the same - some hole or other mechanism which prevents opening without breaking the seal / removing the lock. Often seen on valve data sheets as a Y/N option.
My motto: Learn something new every day
Also: There's usually a good reason why everyone does it that way
RE: Locke open/cloesed vs car seal open/closed