... , 150LBSpecificationsCast Iron Flange Ball Check Valve1) Size: 1-1/2"to 64" or larger 2) Class: PN10, PN16.125LB, 150LB Cast Iron Valves Standard ... valve, wafer butterfly valve, y-strainer etc. 4) Material: CAST IRON, DUCTILE IRON 5) Operation: Hand wheel, gear, square head Cast Iron Flange Ball Check Valve