Explore our primary line of high-efficiency shell-and-tube exchangers, detachable plate exchangers, intelligent sensor systems, and membrane processing stations built to withstand grueling operating conditions.
Originating from Flotte Thermal Engineering founded in 1995 and formalizing as Flotte Energy Saving Company in 2013 with a robust registered capital of 101 million yuan, we represent a flagship of elite engineering in HVAC, water equipment, and water treatment systems. Guided by the philosophy of "quality first" and "winning by quality", we design, manufacture, and export leading-edge heat transfer equipment globally.
Our infrastructure holds a leading market share across utility, domestic heating, and heavy chemical processing applications. Backed by dedicated R&D laboratories and advanced testing platforms, Flotte combines sophisticated thermodynamic modeling with rigorous structural mechanical integrity to pioneer solutions like the Shell and Plate Heat Exchanger—the apex of modern industrial heat exchange technology.
As industries transition toward absolute carbon neutrality, heat exchange efficiency determines operational viability. We align our structural engineering with future-proof pathways.
Our upcoming generation of Shell and Plate exchangers focuses heavily on sub-zero cooling media and ammonia-based refrigeration systems. By tweaking the chevron corrugation angle, we achieve optimized film coefficient values for low-temperature vaporizing cycles, crucial for modern data center cooling and green LNG vaporization processes.
Leveraging high-end alloys including Titanium (Grades 1 & 2), Hastelloy C276, and Duplex Stainless Steel (2507), our R&D roadmap targets aggressive fluid applications. These metallurgy solutions prevent localized pitting and chloride stress corrosion cracking, offering a lifecycle extension of over 40% compared to standard shell-and-tube units.
By integrating micro-sensors directly within the peripheral distribution chambers, we collect real-time pressure drop delta values and thermal gradient shifts. This data feeds into predictive AI models, alerting engineers of initial scaling processes and triggering clean-in-place (CIP) regimens long before thermal resistance spikes occur.
Every thermal system we build is manufactured within ISO 9001:2015 frameworks under strict quality control. Explore the core process stages that ensure our outstanding operational safety and lifetime value.









Flotte thermal systems are deployed globally to streamline energetic usage in power grids, municipal networks, and pharmaceutical plants.
In massive urban utility setups, our intelligent heat exchange units operate as the thermal link between municipal primary boiling pipelines and residential ends. These systems accurately regulate flow volume based on external weather shifts, significantly lowering network-wide energy losses and maximizing fuel utilization during cold periods.
With aggressive media, high fluid temperatures, and variable pressures, standard units degrade rapidly. Flotte's custom shell and plate configuration delivers an extremely rigid shell outer structure with a highly turbulent internal plate pack, facilitating maximum fluid safety, low maintenance downtime, and massive heat transfer coefficient values.
We supply high-efficiency detachable and sanitary plate heat exchangers constructed to prevent cross-contamination. Featuring precise gaskets and mirror-polished contact surfaces, these systems ensure high sterilization safety, meeting strict hygienic standards for injection water and active drug manufacturing operations.
How our localized integration, massive purchasing leverage, and automated production pipelines benefit global industrial buyers.
Operational efficiency is anchored in Flotte's state-of-the-art production base in China. With a sprawling 70,000 square meter factory layout, we host heavy-duty hydraulic plate forming presses (up to 20,000 tons pressure capacity), automated laser welding arrays, and non-destructive ultrasonic testing lines. By vertically integrating raw material procurement (securing premium SS304, SS316L, and Titanium coils directly from prime mills), we shield our clients from localized supply chain shocks and pricing volatility.
Additionally, our massive annual output of 4,500 integrated heat exchange units provides substantial manufacturing cost advantages. These operational savings are directly translated to our international wholesale partners as competitive pricing models, without compromising structural thickness, gasket purity, or engineering tolerances. For global EPC contractors and distributors, this structural setup yields faster production cycles, shortened lead times, and predictable container shipments.
Detachable Exchangers
Intelligent Units
Pressure Stations
HVAC Systems
Operating across international borders demands uncompromising certification validity and dynamic technical support networks.
Our production facilities maintain active, verified compliance records under global standards. Flotte holds ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System certifications. Crucially, our thermal products meet the strict safety registrations issued by the National Boiler and Pressure Vessel Standardization Technical Committee, guaranteeing structural design safety across high-pressure environments.
Every industrial project comes with unique site boundaries and localized piping configurations. Our technical team works alongside international engineering offices to construct custom CAD layouts, thermal stress evaluations, and 3D modeling files. Whether matching flange dimensions to DIN, ANSI, or JIS standards, we ensure seamless drop-in placement for retrofits and new capital projects.
To assure our global client base, we operate dedicated logistical pipelines and multilingual technical support centers. From specifying spare gasket arrays and replacement plate packs to supplying on-site commissioning guides, Flotte provides continuous post-sales security, reducing long-term lifecycle risks for key operations.







Take a virtual walk inside our highly automated heavy-machinery production floor and assembly bays.
Access authoritative answers regarding the thermodynamic behavior, sizing criteria, structural limits, and optimization vectors of Shell and Plate thermal units.
A Shell and Plate Heat Exchanger (SPHE) combines the high thermal efficiency of a plate exchanger with the high-pressure and high-temperature tolerance of a shell-and-tube design. The primary benefit lies in its compact footprint (requiring up to 70% less floor area than a comparable shell-and-tube unit for equivalent heat load) and its remarkably high overall heat transfer coefficient (U-value). The internal corrugated plate pack induces turbulent flow even at low Reynolds numbers, drastically reducing the boundary layer thickness and enhancing heat transmission. Furthermore, the absence of gaskets in the fully-welded core variants removes the main potential failure point found in classic plate-and-frame models, letting the SPHE operate securely under extreme operating limits.
Flotte employs dynamic finite element analysis (FEA) to simulate localized mechanical stress concentrations occurring under transient operating cycles. The circular plate design uniformly distributes internal pressures, eliminating the stress concentration areas common in rectangular designs. Additionally, our manufacturing floor integrates advanced micro-forging and automated, high-precision laser-welding arrays. This creates deeply consistent weld penetrations between the adjacent pressed plates. Post-assembly, every shell-and-plate assembly is subjected to strict hydraulic pressure and helium-leak tests exceeding the nominal design values by at least 1.3 to 1.5 times, ensuring exceptional structural integrity over millions of thermal load cycles.
Due to the highly turbulent flow profile generated by the corrugated pattern, the self-cleaning effect inside our plate corridors is high, resulting in a significantly lower fouling factor than shell-and-tube models. For systems handling media prone to calcification or organic buildup, we recommend standard Clean-in-Place (CIP) procedures. By circulating chemical neutralizers or solvent flushes directly through the plate packs without disassembly, scaling can be dissolved. For applications with extremely high fouling risks, Flotte also designs custom detachable shell variants, allowing mechanical cleaning access to the shell-side fluid paths.
Yes, they are highly suited for phase-change duties, including evaporation and condensation processes. The plate gaps can be optimized independently for vapor and liquid velocities. Our shell-side distribution manifolds ensure uniform vapor introduction, preventing uneven boiling zones and vapor bypass. For toxic refrigerants (such as anhydrous ammonia or carbon dioxide), the fully-welded plate pack provides a leak-free containment zone, satisfying the strict requirements of international safety standards.
We offer custom material selection tailored to the specific chemical properties of your media. Beyond standard AISI 304 and 316L stainless steel, our factory processes Titanium (Grades 1 and 2 for seawater applications), Hastelloy C-276, and Nickel Alloys for highly acidic or caustic fluids. Connection types can be customized, offering options for weld neck flanges, slip-on flanges, threaded couplings, or sanitary tri-clamp connections in compliance with ANSI, DIN, JIS, or ISO standards.
Explore our specialized secondary products including intelligent balancing units, room temperature collectors, and multi-effect evaporation columns designed for integrated systems.
Beyond isolated heat exchangers, we fabricate integrated setups including the Secondary Network Intelligent Unit Balance Valve, Room Temperature Collector, and the comprehensive Intelligent Regulation and Balance System. These tools collect precise room parameters and flow distribution matrices, automatically balancing thermal loads to prevent localized overheating. This saves significant operational energy for regional utility administrators.
For chemical refinement and liquid purifying, we manufacture custom Multi-Effect Evaporation Systems and Membrane Concentration Systems. Optimized for maximum steam utility and energy efficiency, these systems help plants lower treatment costs and achieve sustainable waste-fluid handling processes.
Box-Type Units
Balance Valves
Room Collectors
Regulation Systems
Shell & Tube Units
Evaporators
Membrane Systems