LPG gas cylinder's expiry date....!!

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

I also didn't know how to find LPG cylinder's expiry date? 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 .