4K Helium Gas Circulator

Product Description

 

The 4K helium gas circulator is a centrifugal circulator that keeps cold helium gas moving through closed-loop cryogenic cooling systems operating toward the 4 K temperature class, transferring cooling capacity from the refrigeration source to the application. It operates over a working temperature range of 4–350 K with a helium volumetric flow of 45 m³/h, a head of 260 m and an adjustable speed of 9,000–18,000 rpm. Applications include controllable nuclear fusion, superconducting magnets, superconducting cables and cryogenic research equipment, and the same structure has been successfully applied to hydrogen gas circulation. The circulator is sized for the loop's duty point, and the continuous-flow characteristic of the centrifugal design supports stable temperature control in cryogenic systems. The working gas is retained in the closed loop, which protects helium economy over long operating periods. Applications in superconducting systems and fusion cryogenics benefit from the smooth circulation behavior of the machine.

Continuous circulation in helium service places a premium on engineering review and interface discipline: we evaluate the loop flow, head, temperature and connections and confirm the configuration before production, and interfaces are customized rather than assumed. Turbo Energy is developing additional performance models and can provide customized solutions on request. The production base in Hangzhou's Fuyang district, certified to ISO 9001, 14001 and 45001, manufactures the circulator with custom-engineered units delivered typically 32 weeks from technical approval. The configuration is confirmed from the loop requirements, with interfaces customized rather than assumed. Manufacturing is performed in our ISO 9001, 14001 and 45001 certified production base, and each unit is factory-tested with performance data documented for review. Turbo Energy is developing additional performance models, and custom solutions are provided on request. Commissioning support and spare-parts supply are provided according to the contract. Factory performance data is documented for review and acceptance.

Customization

 

Flow, head, working temperature, speed range and connections are customized around the loop. OEM and build-to-spec cooperation supported after engineering review.

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Units ship in dedicated wooden crates with moisture, rust and shock protection and fixed internals. FCA or FOB terms are standard. Custom-engineered units have a typical lead time of 32 weeks from technical approval.

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