... : PN10, PN16.125LB, 150LB 3.Structure: Gate Resilient Seated Gate Valve. Size: Soft seat: 1-1/2" to 24"; Metal seat: 1-1/2 ... IRON, DUCTILE IRON 5) Operation: Hand wheel, gear, square head.Standard compliance: 1) Design and manufacture: BS5163, DIN 3352, JIS B2043 ... , DIN 2532, JIS B2212, ANSI B16.10/ANSI B16.50 Flange Check Valve