... +RBSIC Offers sic nozzle,plate,mechanical seal ring/shaft seal sleeve/bush,gasket ring,pump parts We are specialized in sintered reaction bonded silicon carbide ... /RBSIC1.M7N,59U WB2...standard parts2.Mechanical Seal faces,shaft bush/sleeve,wearing bush, and other nonstandard parts for pumps3.Sandblaster nozzle, refractory ...