Re: Car Sealed Valves

From: Christopher Wright <chrisw@skypoint.com>

       Date:  Wed May 29, 1991  10:59 am
       Subject:  Re: [PipingDesign] CSO - Trivia



       Does anyone know where the term "car seal" comes from?
       I'll take a pretty good guess. Car seals are thin metal bands that fit
in
       the door latch on a freight car. The door can't be opened without
       breaking the seal. One end of the metal strip fits into a capturing
slot
       fitted to the other end like a cable tie. I think they have some sort
of
       identification marking on them as well, so you know whether it's been
       re-sealed. I've seen lock-out boxes that were sealed with something
like
       a freight car seal, so the switch couldn't be returned to the closed
       position without actually destroying the seal.


========================================

> It's the same. A "car seal" is a locking device. The term comes from a
> railroad car seal.
>
> Don Splawn
> Piping Design
> ZAP Engr & Construction Services, Inc.
> 7304 S. Alton Way
> Englewood, CO 80112
> ph 720-529-4430 x-115
> email - <a href="/group/PipingDesign/post?postID=lLAH0hShfxkRUyIw2C1LsDt4y62D-RIQec8gPYy2DknWo2yQIfAdxyyStU2fBPG8-buDfhTNjcJ6rauQ">splawn@zapecs.com</a>
>
> -----Original Message-----
> From: NIRMAL MURARKA [mailto:Nirmal-Murarka@enc.ltindia.com]
> Sent: Wednesday, September 04, 2002 3:53 AM
> To: <a href="/group/PipingDesign/post?postID=_QEyoYu3-rq9cDKlHa7icyCmObeneu-FqPIHcselkpS7Y5VWXgugSSg622Rt-egrbPeYvXifIXb_VraUCJJ3DXadzA">PipingDesign@yahoogroups.com</a>
> Subject: [PipingDesign] Car Sealed Valves
>
>
> Can any body tell me if the "Car Sealed Open/Closed" valve is diffrent
> than
> "Lock Open/Closed" valves" ?
Received on Wed Sep 04 13:14:00 2002