Hi.

I have read this mark on GLORIA capsules.

"MES 06/09".

what does it mean?

thanks alot.

I assume you mean the Gloria brand of fire extinguishers? What type and size is it as the markings vary.

It's likely to be the manufacture month and year, although as you are supposed to be having them serviced every year it shouldn't be an issue if being done properly...however....it would be unusual to see an extinguisher this old (if not CO2) still in service if being correctly serviced unless you have a traditional fire protection firm that is taking the extinguishers out of the building every 5 years to discharge, internally inspect and refill rather than just replace with new.