... 64" or larger 2) Class: PN10, PN16.125LB, 150LBSpecificationsCast Iron Flange Ball Check Valve1) Size: 1-1/2"to 64" or ... , JIS B2002, ANSI B16.10 4) Flanged end: BS4504, DIN 2532, JIS B2212, ANSI B16.10/ANSI B16.50 Specifications: 1 ... IRON 5) Operation: Hand wheel, gear, square head Cast Iron Flange Ball Check Valve