... Pressure: ≤2.5MPaSpeed: ≤15m/sMaterials: Stationary Ring: Ceramic (Alumina),Website:http://www.mechanicalsealsenactus.com, ... Pressureless, Ni-binder Tungsten Carbide, Co-binder Tungsten CarbideRotary Ring: Resin Impregnated Carbon Graphite (Furan ... ), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded, Co ...