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[Hoax Mail] LPG Cylinder Expiry Date

UPDATE: This article played a small but significant role in removal of a false information from Wikipedia.


Most of you must have received an e-mail regarding “LPG Cylinder Expiry Date”. For those who didn’t, here is a copy of one such mail:

Have U ever heard about LPG gas cylinder’s expiry date….!!

Do you know that there is an expiry date (physical life) for LPG cylinders? Expired 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 the vendor.

Here is how we can check 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 Qtr),

2. B for June (Second Qtr),

3. C for Sept (Third Qtr),

4. D for December (Fourth Qtr).

The digits stand for the year till it is valid. Hence D06 would mean December qtr of 2006.

Please Return Back the Cylinder that you get with a Expiry Date, they are prone to Leak and other Hazardous accidents.

The second example with D13 allows the cylinder to be in use until Dec 2013.

Kindly pass this to everyone, and create awareness among the public.

While I totally agree that whoever forwarded you this mail sent it in good faith, the fact is that this is just another hoax mail.

The first part of the mail which speaks about the presence of an alphabet code is absolutely correct. Every cylinder has an alpha numeric code in one of the three stems as shown below.

lpg cylinder alphanumeric code But this code does not denote the expiry date of the cylinder. Instead it denotes the year and month when the cylinder is due for Statutory testing- in which it is checked for any defects. If a defect is found it is repaired and after getting a certification from BIS (Bureau of Indian Standards) the cylinder is again put into circulation. However if an already repaired cylinder is again found to be damaged during subsequent statuary test, the cylinder is scrapped.

Hence if you get 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 next statutory testing by the end of June 2010.

Why should you believe me and not the mail?

You have every right to ask this question. All I have to say is if you are reading an article at Knowledge Hub rest assured that it has been duly verified and the information provided is from authenticate sources. As for the present article, I’ll suggest you to refer Indian Oil Corporation’s FAQ section and scroll towards the end of the page. Last two questions there will remove any doubt from your mind. In the last answer, it is clearly stated that:

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

Attached is the screen shot from the page I’m referring to.

IOCL screen shot

So next time when you get such mail, instead of forwarding it to your friends, pass the link to this post to the sender 🙂 Also read about other common hoax mails-Dial #90 and Reverse ATM PIN.

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22 Responses to [Hoax Mail] LPG Cylinder Expiry Date

  1. Vinayak April 19, 2010 at 7:12 pm #

    this is really good
    would love to see more posts on this topic

  2. Chandrashekhar April 21, 2010 at 11:02 pm #

    Nice precautions for LPG Cylinder users.Thanks for sharing.

  3. dissertation guide blog April 22, 2010 at 11:28 am #

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  4. Anshul April 22, 2010 at 12:45 pm #

    @ Vinayak:
    Thanks Vinayak.. I am planning to post some more posts related to hoax mail.

    @ Chandrashekhar:
    Thanks man.

  5. Anshul April 22, 2010 at 12:47 pm #

    @ dissertion guide blog:
    Thanks :). That means a lot to me. Will do my best to come up with such unique contents. Thanks to all my readers for their support.

  6. Online Casino April 24, 2010 at 4:15 am #

    Wonderful Article! I have bookmarked this page and I love to share this with my friends and circle of influence.

  7. Anshul April 24, 2010 at 5:27 pm #

    @ Above:
    Thanks a lot. I'll be grateful for this.

  8. VPS Hosting April 26, 2010 at 9:56 pm #

    Thanks for sharing the email. Well, i don't receive that email but atleast it provides some important information, and we really should not ignore the facts too. Anyway thanks for the right information. Nice blog I am subscribing your blog.

  9. Anshul April 26, 2010 at 11:33 pm #

    Yeah I agree that though the mail is not entirely correct, it did provide some useful information.

    Thanks for subscribing. Hope I'll be able to do justice to your expectations in future too.

  10. Jasper April 28, 2010 at 11:47 am #

    I'm just dropping by! thanks for your site! I read a lot of post on this site!

  11. ozeeya April 28, 2010 at 12:13 pm #

    I agree. Before read this post i didn't hear this LPG cylinder expiry date. But we are using that, Thanks alot for shaing this useful information with us.

  12. Anshul April 28, 2010 at 12:57 pm #

    @ Jasper:
    Thanks for visiting. Hope you liked what you read.

    @ Ozeeya:
    My pleasure :). Like I said, cylinders don't have an expiry date, the date tells when a cylinder is due for next statuary tests.
    Hope to see you here more often.

  13. cancer rectum April 28, 2010 at 11:00 pm #

    I agree !
    Thanks for this interessant post!

  14. Acai April 29, 2010 at 5:32 pm #

    wow.. acha hua bata diya warna phat jata =))

  15. Kishore March 31, 2011 at 4:12 pm #

    today i have received this email….and i have updated this link to all 🙂

  16. Ashish October 11, 2011 at 10:40 am #

    I have recivied a cylinder on 10 Oct 2011. The alphanumeric code is B-11 which was written on it.
    I come to know about this expiry date now so I request you to suggest me what to do with that cylinder. I contacted my service provider he told that it is not a danger cylinder is shafe.

  17. chandresh mishra December 21, 2011 at 5:41 pm #

    very useful knowledge about lpg

  18. Hardik Soni December 22, 2011 at 10:04 am #

    It has been written on the IOC site that, the quarter and date displayed on the cylinder is not the expiry date.

    ‘In any case, this is not the date of EXPIRY of PHYSICAL LIFE of the CYLINDER’ please check on this link.


  19. rajneesh December 22, 2011 at 11:39 am #

    i too got the same email and many friednds are sharing the same thing on facebook. will update them thanks 🙂

  20. kiran January 8, 2012 at 1:00 pm #

    And if the due for next statutory testing is crossed means we can suspect the cylinder as a faulty one??,as agents while transporting these cylinders,they throw,roll it like anything…..if the testing is done means,again the date will change right-the next due date…

  21. Sunil February 2, 2012 at 12:00 am #

    This is good stuff! I really appreciate the time and effort to banish the hoax mails which we keep getting. Even I had fallen for this one. Thanks for sharing! 🙂

  22. Banlam May 6, 2013 at 12:41 pm #

    Thanks for the info. I don’t know if i missed this on the IOC website (its not really user friendly is it?), but it doesn’t mention what happens after the Statutory Testing. Do the cylinders get new markings regarding the next Statutory Testing? I’d be very grateful to know, thank you.

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