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!
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,
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 .
This second example of D13 allows the cylinder to be in use until December 2013.