Chart CS - 75 PSIG @ 300F NB# 18161
NB 18161 U1A.pdf190484_B_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