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EQUIPMENTS AND SOLUTIONS FOR LNG AND LBG EXTERNAL PUMP with SHAFT SEALType CS, CBSD, CSH, GBS, CBS, CBSH, MCPVolute separated from electrical motor - H Front opening of housing offersby an open intermediate piece with ‘ easier maintenancefour hollow arms. This intermediate ]piece only presents four contactspoints 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 lowforimproved safety required NPSHThick insulation plate provides low \ High hydraulic efficiency closed Cryostar sha 代 sealthermal conductivity impeller with composite ring EXTERNAL PUMP with SUBMERGED MOTORType VSMotor bearings lubricated by theprocess fluid resulting in a “zero-main-tenance” design Hermetically encapsulated pump一一 eliminating the need for a shaft sealSpecial submerged electric motorcooled by the pumped fluidHigh hydraulic efficiency closedimpellerHelical inducer allowing low requiredNPSH