Engineered suction design for optimized submergence
• Suction inducer for very low NPSHr • All the impellers and bowls are provided with draining holes • Efficient heat shield to limit the heat loss • Shaft fans/radiators to reduce temperature, protect and increase lifetime of the pump bearings • Nitrogen/air quench connection to allow tank blanketing • Thrust bearing located in the pump
First stage impeller
• Inducer or high Suction Specific Speed (Nss) impeller for reduced NPSHr
Engineered bearing bushings
• Better shaft alignment and adaptation to the thermal expansion
Main shaft sealing by throttle bushing
• Permanent leak-off recirculation to the molten salt tank
Auxiliary shaft sealing deflector
• Prevents leakage of molten salt to the atmosphere
Efficient thermal barrier
• Heat barrier between hot/cold sections
Muff coupling
• For ease of dismantling
Special design to allow thermal expansions
• Extended wear ring zone • Clearances calculated considering all the relative expansions
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