Liquid Ammonia Pump

Specialized Pumping at -269°C

 

The liquid helium pump is a specialized piece of equipment designed for one of the most challenging environments in fluid handling: moving liquid helium at -269°C-just a few degrees above absolute zero. Helium has an extremely low boiling point, very low latent heat of vaporization, and high permeability, making it one of the most difficult cryogenic liquids to pump reliably. This pump serves demanding applications including superconducting magnet cooling, MRI system maintenance, large-scale scientific cryogenic facilities, and aerospace engine ground testing.

Every component that contacts the helium is made from materials specifically validated for liquid helium compatibility. The pump incorporates advanced thermal isolation and cavitation-suppression features to maintain stable operation at the extreme temperature. The magnetic-drive or submersible configuration eliminates dynamic shaft seals, addressing the high permeability of helium and preventing any external leakage.

Flow rates range from 0.5 m³/h to 100 m³/h, with heads up to 2,600 meters. The specific performance point is matched to each application through customized hydraulic design and stage selection. Each pump is performance-tested on the company's cryogenic test bench using liquid nitrogen as a surrogate medium, and additional test protocols can be developed for specific project requirements.

A Highly Customized Product with Strong Engineering Backing

 

The liquid helium pump is a fully custom-engineered product. The company's engineering team holds multiple core patents in ultra-low-temperature pump technology, and its members have long-term experience in cryogenic equipment for aerospace and large-scale scientific facilities. The lead time from technical approval to delivery is typically 32 weeks, depending on technical requirements, certification needs, and test scope. Pre-sales engineering support covers operating condition assessment, material selection, structural design, and validation planning.

one-stop solution

professional team

high quality

After delivery, the company provides installation guidance, commissioning support, spare parts supply, and technical consultation as specified in the contract. Assistance with classification society certification is available upon request. Export packaging uses dedicated wooden crates with appropriate moisture and shock protection for international shipment.

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