... 3)Good performance valve 4)API,CE,ISO9001 Pneumatic Knife Gate Valve Main Performance Parameter: Nominal pressure (MPa)Shell test (Mpa ... clip-on structure, small size, light weight.2, the fully open channel, can prevent the deposition of the medium in the ... , you can ensure good sealing of the valve.4, the gate of the outer seal is embedded in the valve body ...