轴封

轴封

EQUIPMENTS AND SOLUTIONS FOR LNG AND LBG EXTERNAL PUMP with SHAFT SEAL Type CS, CBSD, CSH, GBS, CBS, CBSH, MCP Volute separated from electrical motor - H Front opening of housing offers by an open intermediate piece with easier maintenance four hollow arms. This intermediate ] piece only presents four contacts points for low thermal conductivity % Cryostar shaft seal Hollow shaft to reduce thermal con- | 一 - | 一 ductivity to minimum and slinger ring I Helical inducer allowing low forimproved safety required NPSH Thick insulation plate provides low \ High hydraulic efficiency closed Cryostar sha 代 seal thermal conductivity impeller with composite ring EXTERNAL PUMP with SUBMERGED MOTOR Type VS Motor bearings lubricated by the process fluid resulting in a zero-main- tenance design Hermetically encapsulated pump 一一 eliminating the need for a shaft seal Special submerged electric motor cooled by the pumped fluid High hydraulic efficiency closed impeller Helical inducer allowing low required NPSH