RTD-250
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RTD-250 High-Pressure Plunger Pump manufactured by introducing advanced technologies. The power end features an export-type housing with forced lubrication. The high-speed shaft and crankshaft are driven by herringbone gears, ensuring stable and reliable transmission, reducing friction coefficient, enhancing lubrication performance, minimizing noise, lowering power end temperature rise, and enabling long-term continuous operation.
The hydraulic end adopts imported technology, suitable for descaling and cleaning of condensers, heat exchangers, evaporators, boilers, and other vessels in chemical plants, sugar refineries, power plants, as well as water jet cleaning for ship maintenance and various industrial applications. It serves as a pressure testing pump for powder metallurgy, high-pressure water jet-assisted rock breaking and coal extraction, test benches, various rubber hoses, metal pipes, valves, oilfield drilling wellheads, and all scenarios requiring high-pressure water jets. Capable of pumping clean water, emulsion, and other chemically active liquids, it is compatible with multiple power sources.
Optimized Pressure Control: Integrated pressure relief valve with ±1% accuracy maintains stable output, suitable for both delicate surface cleaning and heavy rust removal .
Energy Efficiency: Mechanical efficiency of 88% reduces power consumption, paired with an optional variable frequency drive (VFD) that cuts energy use by 25% during low-load operations .
Durable Sealing System: Teflon-reinforced packing rings with automatic lubrication extend service life to 1,500 operating hours , 40% longer than standard packing .




The RTD-250 Unit High-Pressure Pump Water Blasting Machine is a professional-grade cleaning system engineered for medium-to-heavy industrial debris removal. As a triplex plunger pump, it features a forged carbon steel fluid end and nitrided stainless steel crankshaft for enhanced durability under continuous operation. Its performance is calibrated for versatility: delivering a maximum pressure of 3,625 psi (250 bar) and a steady flow rate of 45 gpm (170 L/min) , with an adjustable speed range of 800-1,200 RPM . Equipped with solid ceramic plungers and a dual-stage filtration system (20-micron inlet filter + 5-micron outlet filter), it prevents abrasive particle damage during water blasting tasks .
Manufacturing Plant Maintenance: Removes oil residues from machine tools, paint overspray from production lines, and scale from heat exchangers .
Marine Industry Cleaning: Eliminates barnacles from ship hulls, rust from dock pilings, and grease from offshore platform equipment .
Construction Site Restoration: Cleans concrete formwork, removes construction debris from pipelines, and strips old coatings from steel structures .
Q: What power source does the RTD-250 Unit require?
A: It operates on 3-phase 380V/50Hz or 460V/60Hz power, with a rated motor power of 250 hp (186 kW) for consistent performance .
Q: Can it handle hot water applications?
A: Yes, it supports fluid temperatures up to 80 °C (176 °F) , making it ideal for degreasing tasks in food processing facilities .
Q: How long does routine maintenance take?
A: Basic maintenance (filter replacement, oil check) takes less than 30 minutes, while plunger packing replacement requires 90 minutes with the quick-access service panel .