Read more Knife Gate Valve Design Feature Heavy gate with wide spaced clevis PTFE or NBR or EPDM resilient seat Full port one piece cast body with resilient seat Drip tight shut-off in both directions Water pattern drill and tapped to suit ANSI class, PN 10, PN 16 and JIS 10k flanges Easy bolt-on conversion to actuator or bevel gear operator or pneumatic cylinder actuator or electric actuator