PP PVDF -series pumps are specially design for highly corrosive chemicals in which metal pumps are not recommended or in its cost is higher. The PP- series pumps design are single piece molded polypropylene volute casing with semi-open impeller and casing cover to ensure a smooth running performance against corrosion. The high allumina ceramic sleeve protects shaft to any corrosion and abrasion. The GFT or Sic Vs. Ceramic PTFE below Mechanical seal prevents the leakage from the pumps. The Cast Iron heavy duty oil lubricated bearing housing provide maximum strength to pump. The pumps are also available in Mon-block version with compact design. The PVDF series pump thick walled casing liner & back plate is made of PVDF. A large metal insert in PVDF impeller increased mechanical strength.