Cast iron filter press ok or frowned on nowdays?

[markct]

I was just wondering what the concensus was on cast iron filter presses, i know bascoms uses two that are huge in there operation so i would guess if it were a big issue they wouldnt use them but just curious what anyoneelse knew as far as inspectors or standards etc

[NH Maplemaker]

I hope there ok , I have one that we have been useing for 20 years. It works as good now as it ever did! Maple inspector shows up here at least once and sometime twice a year and has never even said one word about cast iron press !!

[markct]

so whats the ups and downs of cast iron in a filter press asside from being heavy

[wiam]

On my 7" the hollow plates are thinner than the new aluminum ones. Thicker plates mean higher filter capacity.