Features and Benefits Wider EPDM seat design, replaceable, its suit for different type of flanges. ISO5211 standard top flange, suit for different operations. Eccentric pin on the stem, not destroy structure of the stem, make sure the safety and strongth. Lever operation BWLX: DN50~DN150. Applicable Standards Design standard: BS5155, EN593, API609 Flange standard: BS EN1092-2 Top flange standard: ISO5211 Face to face standard: BS EN558-1 Pressure test standard: BS EN12266-1, API598 Technical Data Nominal diameter:DN50~DN150(2"~6") Nominal pressure: PN16 Working temperature: -5C ~ +85C Sealing test:1.1PN Shell test:1.5PN Suitable for: Water, ethylene glycol, non correction medium, etc.