Chart SS - 75 PSI @ 300F NB#18160
NB 18160 U1A.pdf190484-A_specs.pdf
Chart 800 PSIG @ 350F SN #53607-3 NB#9574
Chart 645 PSIG @ 350F SN #53607-2 NB#9573
Chart ACHE SN#45108-B1 NB# 11150