API610 10th and API682 Mechanical Seal. Vertical Chemical Pump like Friatec Pumps for acids Material:PVDF,PPH,FEP Capacity: ... Standard:DIN24250Vertical Chemical Pump in PP,PVDF Thermoplastic vertical centrifugal pumps conceived for industrial applications, production lines and ecological ... with the standards in force. The adoption of pumps with these characteristics eliminates, even in case of breaks ...