Engineered configurations meeting rigorous industrial operational envelopes, combining fluid power with advanced water purification pathways.
Established as a vanguard in the cleaning engineering sector, Foshan Dulles Equipment Co., Ltd. has spent more than 30 years spearheading mechanical innovation. Originating in 1995 with the release of the first generation consumer pressure washer, our organization has systematically evolved alongside the shifting regulatory and ecological landscape. We recognize that the global industrial market no longer views cleaning and water disposal as discrete mechanical actions. Instead, modern production facilities demand highly integrated, closed-loop systems that seamlessly bridge the gap between high-pressure hydro-blasting and resource conservation.
To satisfy this critical paradigm, we have pivoted our research and development pipelines toward advanced water recycling systems, combining physical separation, chemical conditioning, and electrochemical demineralization (EDI) technologies. By merging high-flow pump kinetics with selective membrane filtration and real-time electronic monitoring, our equipment actively reduces utility overheads, achieves strict Zero Liquid Discharge (ZLD) criteria, and mitigates industrial discharge litigation risks.
Understanding why enterprise purchasing directors across the EU, North America, and APAC regions are shifting to integrated water recycling systems.
Environmental agencies globally are enforcing stringent regulatory frameworks, such as the EU Water Framework Directive and the US Clean Water Act. Industrial facilities face massive financial penalties for discharging untreated wastewater containing dissolved metals, hydrocarbons, or complex detergent loads. Procuring a reliable closed-loop recycling installation bypasses discharge channel licensing and secures regulatory continuity.
In water-stressed regions, municipal water prices have surged by up to 200% over the last decade. Large-scale operations—such as heavy machinery wash complexes, food processing plants, and power stations—run the risk of output curtailment during seasonal drought limits. On-site recycling systems offset local water draw by recirculating up to 98% of municipal input water.
Raw water contains scale-forming dissolved solids, hard minerals, and biological matter that degrade expensive industrial machinery, high-pressure pumps, and steam boilers. Integrating a specialized treatment plant, particularly one employing advanced Electrodeionization (EDI) and Reverse Osmosis (RO), guarantees highly purified feed streams, prolonging machine lifecycle and reducing process downtime.
A detailed mechanical mapping of Dulles' multi-stage filtration and purification systems, highlighting our closed-loop technology.
The influent stream passes through high-capacity gravity separators and coalescing oil media plates. Free oils, floating particulate matter, grease, and coarse debris are systematically isolated, preventing fouling of subsequent membrane blocks.
Utilizing hollow-fiber PVDF membranes with nominal pore sizes of 0.01 to 0.1 microns, this step extracts colloidal matter, bacteria, organic macromolecules, and emulsified petroleum hydrocarbons with absolute mechanical reliability.
Water is forced under high osmotic pressure through semi-permeable polyamide thin-film composite membranes. This stage rejects up to 99.5% of dissolved inorganic salts, heavy metals, and low-molecular-weight organic species.
For specialized applications requiring ultra-pure water, the flow enters our 500 LPH Electrodeionization (EDI) block. Continuous electrical regeneration yields high-resistivity water (exceeding 15 MΩ·cm) without hazardous chemical usage.
How Dulles integrates cleaning technologies and reclamation infrastructure to address sector-specific logistical and hydraulic demands.
In modern dairy and beverage processing plants, system sanitation is paramount. Our 1000L All-in-One Combined CIP (Clean-in-Place) Cleaning System utilizes a multi-tank architecture (acid, alkali, and hot water recovery loops). This automation setup allows factories to recover wash water and wash chemicals, drastically reducing thermal energy waste and effluent toxicity levels during sanitization runs.
Commercial and industrial vehicle fleet washing requires high volumes of detergent-laden runoff. Integrating our Touchless Car Wash Equipment alongside a closed-loop recycling system ensures that wastewater containing mud, detergents, waxes, and fuel residues is directed through high-rate sand filtration, oil separators, and active carbon filters, yielding crystal-clear wash water suitable for continuous reuse.
Scale accumulation inside power plant condenser tubes severely degrades heat exchange efficiency. Dulles' specialized 48lpm High Pressure Water Cleaning Equipment uses ultra-high pressure water jetting to clear scale deposits. By integrating a mobile recycling skid at the drainage sump, the wash water can be continuously run through coarse particulate screens and particulate cartridge filters for reuse on-site.
Urban maintenance systems, such as our 240bar Large Sewer Drain Pipe Cleaning Machine and diesel jetting units, consume massive volumes of water. Because mobilizing clean water to remote urban points is highly inefficient, Dulles equips its heavy-duty trucks with onboard physical recycling units. These systems separate heavy gravel and sludge dynamically, allowing the operator to reuse the siphoned sewer water for continuous jetting.
Every mechanical component is subjected to rigorous electrical, hydraulic, and structural verification protocols.
Quality at Foshan Dulles Equipment Co., Ltd. is not merely a final inspection checklist—it is an intrinsic engineering process. Our facility maintains a fully automated assembly line and an in-house, self-built laboratory housing high-precision diagnostic instruments. These systems analyze volumetric efficiency, pump pressure stability, thermal endurance, membrane flux recovery, and electrical safety profiles under simulated field stresses.
Our products conform strictly to international industrial regulations, backed by 3C, CE, and ISO certificates. We hold proprietary design pattern certificates for our high-pressure reciprocating pumps, multi-stage filtration valves, fog-making nozzles, and advanced water treatment enclosures. Because we manage manufacturing from raw casting to final electronic calibration, we guarantee a prolonged operational service life and minimal field failures for all export shipments.
Seamless mechanical integration into any regional manufacturing grid or chemical disposal infrastructure.
Global deployment requires adapting to different regional electrical grids. We construct our control panels, high-pressure pump motors, and PLC systems to meet local voltages: 380V/415V/480V at 50Hz/60Hz configurations. Control systems are fully compliant with UL, CSA, and CE electrical standards, minimizing field wiring complications.
For maritime, chemical, and mining facilities, standard materials quickly corrode. We offer upgraded construction options utilizing Duplex Stainless Steel (SAF 2205/2507), high-grade Titanium, or Hastelloy components for all wetted parts, ensuring complete resistance to saltwater and low-pH industrial cleaning chemicals.
Recognizing that industrial system downtime equates to direct financial loss, our global support teams are available 24/7. We offer real-time telemetry diagnostics, remote PLC updates, and maintain localized spare parts hubs in Europe and North America to ensure rapid component replacement.
Explore our versatile high-pressure pumps, mobile units, demineralization skids, and recovery sub-systems.
Technical details regarding design life, membrane configurations, and system integration options.
Dulles Equipment
