KNS SERIES   This model is commonly used for Discharge Heads in excess of 3.5 kg/cm2, very popular for vacuum Ejector applications. PFA / FEP Lining offers highest corrosion resistance. Minimum lining thickness of 6 mm, lining locked by multiple locking grooves. Casing and back Plate in graded cast iron as per ASTM Standard, other materials like cast steel / stainless steel available on request. Impeller PFA / FEP solid Injection Moulded.   Size: 50 mm X 32 mm   Impeller Diameter Range: 200 – 170 mm Best Efficiency Point: 30 m3/hr @ 50 m. RPM: 2900 Nominal Pressure: 16 bar Flange Connection: ANSI B 16.5 Class 150 RF