... /PN16 3.Standard:ANSI,JIS,DN,BS Cast Iron Ball Check Valve 1) Size: 1-1/ ... larger 2) Class: PN10, PN16.125LB, 150LBSpecificationsCast Iron Flange Ball Check Valve1) Size: 1-1/2"to ... larger 2) Class: PN10, PN16.125LB, 150LB Cast Iron Valves Standard compliance: 1) Design and manufacture: BS5163, ... valve, y-strainer etc. 4) Material: CAST IRON, DUCTILE IRON 5) Operation: Hand wheel, gear, square head Cast ...