Engineered for high performance, maximum safety, and long service life across diverse industrial sectors.
Foshan Dulles Equipment Co., Ltd. is a globally recognized pioneer with over 30 years of specialized experience in the research, development, and high-precision manufacturing of professional cleaning systems. Founded as one of China’s first manufacturers to design and produce high-pressure washing machinery, we have constantly pushed the boundaries of fluid dynamics and thermodynamic engineering.
Our evolutionary milestone began in 1995 with the introduction of our first general household pressure washer. Recognizing the rapid transition towards automated, efficient, and environmentally sustainable cleaning systems, we expanded our focus. Today, Dulles manufactures an extensive catalog ranging from commercial steam washers to heavy-duty industrial explosion-proof water blasters, sewer jetters, dust suppression systems, and custom hydraulic stations.
Every product we supply is certified to meet 3C, CE, and ISO guidelines. Our custom engineering department holds numerous design patterns for high-pressure pumps and dynamic spray systems, allowing us to supply tailored machinery to clients in Europe, North America, the Middle East, and Southeast Asia.
How strict regulations, automation, and alternative energy are shaping the modern cleaning solutions landscape.
Environmental standards like European Union's Reach regulations and China's Green Factory directives have forced operators to optimize water footprints. Traditional, high-volume, low-pressure systems are being replaced by high-pressure, low-flow water jetting and thermodynamic steam cleaning units.
Modern steam cleaners use up to 90% less water than traditional wash setups, transforming water into high-pressure vapor that cuts through heavy industrial grease without necessitating chemical additives or producing massive wastewater volumes.
Automated cleaning units have transitioned from standard mechanical configurations to smart systems with PLC interfaces. Robotic inspection crawlers equipped with sonar telemetry systems inspect internal surfaces of industrial pipelines and sewer networks prior to high-pressure flushing.
This automated approach minimizes human exposure to toxic atmospheres and hazardous environments, while precisely targeting cleaning action only where scale, rust, or blockages exist, dramatically reducing operational costs.
For applications where liquid contact must be avoided entirely—such as micro-assembly components, aerospace materials, or heavy grease pipelines—fiber laser technology is taking center stage. Lightweight 300W and 200W handheld laser removal systems safely strip oxides, oil, paints, and surface rust.
By delivering high-energy laser pulses, these systems vaporize contaminants without affecting the underlying substrate, bypassing the cost of solvent disposal and consumables altogether.
Our manufacturing complex in Foshan leverages the deep mechanical supply chain networks of the Pearl River Delta, giving us access to premium metallurgy, high-strength seals, and precision electric motors. We combine this material foundation with advanced automation and rigid in-house engineering protocols.
Our self-built testing laboratory conducts prolonged thermal stress evaluations, high-frequency vibration testing, and precise volumetric efficiency inspections on every batch of high-pressure pumps. By utilizing automated assembly lines and computerized testing benches, we keep production tolerances to micron levels, ensuring safety and long service lives.
Furthermore, our geographic position and integrated raw material network provide unparalleled supply chain resilience. Even during periods of global supply disruption, Dulles guarantees stable lead times and cost-effective execution for complex custom builds, such as our 2000L Steel Plant Hydraulic Station Power Units or combined CIP systems.
Dulles systems are engineered to withstand the harshest environments across multiple critical industries.
Urban sewer systems suffer from heavy mineral deposits, root intrusions, and structural blockages. Dulles provides comprehensive solutions including diesel-driven high-pressure water blasting equipment that flushes up to 10 M³ of water per hour to quickly clear pipelines.
When combined with our specialized screw-type sonar inspection robots, municipal crews can map blockages inside wastewater systems without risking human entry into confined toxic zones.
Saltwater exposure causes severe marine fouling and rust on ship hulls, reducing hydrodynamic efficiency. Our 2800bar ultra-high pressure waterjet cleaning systems strip away marine growth and oxidized paint layers down to bare metal, preparing hulls for recoating.
In the heavy processing sector, similar high-pressure cold water jetting machines (up to 15,000 PSI) are utilized to clean complex sugar mill heat exchangers, ensuring rapid heat transfer and preventing costly processing downtime.
Hygiene is paramount in food, dairy, and beverage production. Dulles designs and manufactures semi-automatic and fully automatic 1000L all-in-one combined CIP (Clean-In-Place) systems. These modular units feature dedicated acid, alkali, and hot water tanks.
By using automated dosage valves and temperature sensors, our CIP systems sanitize process loops, tanks, and piping systems, ensuring full biological sanitation without dismantling complex process lines.
Direct technical answers from our engineering team regarding high-pressure and automated cleaning units.
A: Selecting the correct parameters depends on the target surface and type of contaminant. For paint stripping, marine rust removal, and chemical descaling, pressures between 1000bar (15,000psi) and 2800bar are recommended with moderate flow rates. For municipal pipe dredging and dust suppression, higher flow rates (10m³/h and above) at moderate pressures (100bar to 250bar) are ideal to physically push residues and wash away mud or aggregate.
A: Hot water cleaning systems are essential when dealing with grease, oils, and heavy lipids. The thermal energy from the heated water reduces the viscosity of oils and greases, allowing them to be emulsified and washed away much faster. Cold water systems, on the other hand, rely purely on mechanical kinetic force. They are highly effective for mineral scaling, mud, rust, and paint stripping but require chemical additives to dissolve heavy oil deposits.
A: Our 1000L all-in-one CIP system automates the sanitizing loop by cycling specific sequences of acid washes (to remove inorganic mineral scale), alkali washes (to dissolve organic fats and proteins), and hot water rinses. Sensors track conductivity, pH, and temperature in real-time, feeding data to a central controller to ensure target cleanliness thresholds are met consistently and with minimal waste.
A: Yes, Dulles specializes in manufacturing explosion-proof high-pressure cleaning machines designed specifically for chemical plants, petrochemical refineries, and mining operations. These units are configured with spark-proof enclosures, explosion-proof motors, and static-conductive hoses to prevent accidental ignition in volatile gas or dust atmospheres.
Premium specialized cleaning machinery and diagnostic equipment for global buyers.
Behind the scenes at Foshan Dulles: high-precision instrumentation, assembly, and quality verification.
Dulles Equipment