what the heck is it?

[gnominic]

In this image, is the AEH a manufacturer's mark? If so, who? This is a filter housing.

 

[rddvet]

In this image, is the AEH a manufacturer's mark? If so, who? This is a filter housing.

View attachment 148648

Idk if that's the manufacturer's mark or not, but to me it looks like a hydro mark, showing it's test and working pressures.

 

[gnominic]

Maybe, but I was thinking the AH would be the hydro mark - next to the hydro date.

I'm wondering if I should just replace these. They lack any of the normal marks they showed us in VIP training, no alloy, no DOT. These marks on the top are the only marks anywhere.

They are expensive though, so if I can find a way around replacement I need to.

 

[frogman62]

Looks like an American Bristol Filter but the serial #0041 indicates it was made in the early 70's, I don't know who manufactured them for ABI but several companies purchased them after ABI was sold and put their own labels on them -- Pressure Systems Inc was one of the companies. Aero Environment (AEH) may have bought some also but that is just a guess. IF you need to replace it I sell the 6000PSI 1 pound commercial chambers with the LF cartridge for $515.00
Jim Shelden