Standard Process Pump, covers major Duty Points for a Chemical Process Industry applications. PFA/FEP Lining offers highest corrosion registance. Minimum lining thickness of 6 mm, lining locked by multiple locking grooves. Casing and Back Plate ingraded cast iron as per ASTM Standard, other meterials like cast steel / stainless steel available on request . Impeller PFA / FEP solid Injection Moulded.