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Expiry date of LPG Gas Cylinder Myth

I bet some of you would have receive a message from your friends and family members about Expiry date of LPG Gas Cylinder, well turn out to be a hoax started out from someone who has malicious intent to deceive and cause panic in the Wild West World (hence WWW.domain.com, hehe) of internet world.

The message said goes something like:
You may want to let your wife, friends or maids know as well when they receive the gas cylinder from the vendor next time. This is really very good information for all of us to remember.

Please check your household gas tank cylinder as soon as possible. Knowing the uncouth characters we have to deal with, you should never be surprised that they will continue to use old tanks, though they will also tell you that they get their supplies in the tanks now sold to us. Insist on newer tanks!

Do you know that LPG gas cylinders have expiry dates?

Expired LPG cylinders are not safe for use and may cause accidents. In this regard,
please be cautious at the time of accepting any LPG cylinder from your vendor.

Here is how we can check on the expiry of LPG cylinders:

On one of three side stems of the cylinder, the expiry date is coded alpha numerically as follows:
A or B or C or D and some two digit number following this, e.g. D06.

The alphabets stand for quarters -
1. A for March (first quarter),
2. B for June (second quarter),
3. C for September (third quarter), &
4. D for December (fourth quarter).

The digits stand for the year till it is valid. Hence D06 would mean December quarter of 2006. Please return back the cylinder that you get with an expired date. They are prone to leaks and other hazards .


Took me awhile to search as almost everybody repost the message in their blog but I found this info from Indian Oil Corporation which explains the exact meaning of those dates. So after reading this, there is no need to get miffed and terrified about such chain mail myths and hoax circulating in the wild!

Q.Is it possible to know when a particular cylinder is scheduled for testing?

Ans: On one of three vertical stay plates (side stems) of the LPG cylinder, the date is coded alpha numerically as A or B or C or D and a two-digit number following this e.g. D10. The alphabets stand for quarters - A for Qtr. ending March (First Qtr), B - Qtr. ending June (Second Qtr), C-Qtr. ending Sept (Third Qtr), & D for Qtr. ending December (Fourth Qtr). The digits stand for the year when the cylinder is due for Statutory testing as explained above. Hence D10 would mean that the particular cylinder is to be taken for the next Statutory Testing by December 2010.

In any case, this is not the date of EXPIRY of PHYSICAL LIFE of the CYLINDER

It is further clarified that, during service, every empty LPG cylinder when it comes from the Distributor to the Bottling Plant for filling, is checked for its condition including the marked date for Statutory Testing due. Cylinders due for testing are segregated and sent for testing.

Every cylinder after its filling with LPG is checked for correctness of its weight and soundness, before despatch to the Distributors. Every care is taken to ensure that cylinders which are safe for use are only sent to our Distributors for further distribution. It means if a customer gets a cylinder in June 2010 with marking as B10, it does not indicate that the physical life of the cylinder has expired. It only means that this cylinder is due for Statutory testing by end June 2010.

source: http://www.iocl.com/Products/LiquefiedPetroleumGasFAQ.aspx

Expiry date of LPG Gas Cylinder Myth

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