... ring Offer:sandblastering nozzle,pump parts,wearing parts,shaft bush,mechanical sealing bush We are specialized in sintered reaction bonded silicon carbide ... WB2...standard parts2.Mechanical Seal faces,shaft bush/sleeve,wearing bush, and other nonstandard parts for pumps3.Sandblaster nozzle, refractory tile, valve ... soon as I received it next day. SIC special configuration bush for mechanical sealing