... 64" or larger 2) Class: PN10, PN16.125LB, 150LBSpecificationsCast Iron Flange Ball Check Valve1) Size: 1-1/2"to 64" or ... : BS6755, DIN 3230, JIS B2003, API598 3) Face to face dimensions: BS5163: 1986, DIN 3202 F4-F5, JIS B2002, ANSI B16 ... IRON 5) Operation: Hand wheel, gear, square head Cast Iron Flange Ball Check Valve