... Seated Gate Valve. 1) Size: Soft seat: 1-1/2" to 12";2) Class: PN10, PN16.125LB, 150LB 3) Type: Bolted ... , NBR/EPDM/brass/bronze/stainless steel seat ring. 4) Material: CAST IRON, DUCTILE IRON 5) Operation: Hand wheel, gear, square head.Standard compliance ... and inspection: BS6755, DIN 3230, JIS B2003, API598 3) Face to face dimensions: BS5163: 1986, DIN 3202 F4-F5, JIS B2002 ...