... Knife Gate Valve 1)Reasonable structure valve 2)Reliable seal valve 3)Good performance valve 4)API,CE,ISO9001 Pneumatic Knife Gate Valve Main ... clinker1.62.41.8≤100°CMain Parts Material: Body, coverFlashboardValve handle Sealing faceStainless steel; Carbon steel; Gray cast steelCarbon steel; ... , can prevent the deposition of the medium in the valve.3, the newly developed U-shaped seal ring, you ...