... /PN16 3.Standard:ANSI,JIS,DN,BS Cast Iron Ball Check Valve 1) Size: 1-1/ ... or larger 2) Class: PN10, PN16.125LB, 150LB Cast Iron Valves Standard compliance: 1) Design and manufacture: BS5163, DIN ... Class: PN10, PN16.125LB, 150LB 3) Type: Cast iron ball valve, butterfly valve, gate valve, globe valve, ... , y-strainer etc. 4) Material: CAST IRON, DUCTILE IRON 5) Operation: Hand wheel, gear, square head