PFA STORAGE VESSEL - A TYPE
Used as a drain storage container in chemical supply equipment
(Aspirator is installed to forcibly discharge the chemical by DIW pressure)
1) Buffer role when there is a lot of drain chemical in the equipment
2) Prevent backflow when replacing filter or draining
3) Acts as a safety device for external drain in case of equipment failure
PFA STORAGE VESSEL - B TYPE
Ultra high-purity chemical storage container (applied design that can drain naturally)