RTD-4200
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The RTD-4200 Unit High-Pressure Triplex Plunger Pump features a hydraulic end originally imported from the United States, offering advantages such as a rated pressure of 280 MPa, simple structure, easy maintenance, extended service life of wear-prone components, and optimized structural design that ensures seamless integration with the hydraulic end. This pump model delivers stable operation, ultra-high pressure, and minimal maintenance requirements.
It is suitable for ultra-high pressure water jet cleaning, metal cutting, shipyard paint removal and derusting, as well as descaling and cleaning applications in condensers, heat exchangers, evaporation tanks, boilers, and industrial vessels across chemical plants, sugar refineries, power plants, and other sectors. Additional applications include concrete demolition, powder metallurgy, high-pressure water jet-assisted rock and coal fracturing, laboratory testing platforms, pressure testing for hoses, metal pipes, valves, and oilfield drilling wellheads, and other high-pressure water jet scenarios.
The pump is capable of conveying water, emulsion fluids, and other chemically compatible liquids, and supports compatibility with multiple power sources.
Ultra-High Pressure Stability: Precision pressure regulator with ±0.5% accuracy maintains consistent output, critical for industrial descaling and concrete demolition .
Thermal Management System: Oil-cooled crankcase and water-jacketed fluid end keep operating temperature below 65 °C (149 °F) , enabling 24-hour continuous operation .
Wear-Resistant Construction: Hardened stainless steel (SS 316L) components extend service life to 3,000 operating hours , 2x longer than standard high-pressure pumps .

Theoretical Displacement | Pressure MPa | |||||||||
L/min | 110kw | 132 kw | 160 kw | 200 kw | 250kw | 255kw | 25kw | 280 kw | 335kw | 353kw |
25 | 270 | |||||||||
32 | 270 | |||||||||
37 | 230 | |||||||||
44 | 190 | |||||||||
37 | 270 | |||||||||
44 | 240 | |||||||||
53 | 200 | |||||||||
44 | 270 | |||||||||
53 | 250 | |||||||||
53 | 270 | |||||||||
45 | 270 | |||||||||
53 | 270 | |||||||||
83 | 200 | |||||||||
83 | 240 | |||||||||
47 | 270 | |||||||||
56 | 270 | |||||||||
67 | 260 | |||||||||
22 | 270 | |||||||||
The RTD-4200 Unit High-Pressure Triplex Plunger Pump Cleaning Machine is an ultra-high-pressure system engineered for heavy-duty industrial cleaning and surface preparation. As a triplex plunger pump, it features a tungsten carbide-reinforced fluid end and heat-treated alloy steel crankshaft to withstand extreme operating conditions. Its performance sets industry benchmarks: delivering a maximum pressure of 60,900 psi (4,200 bar) and a flow rate of 18 gpm (68 L/min) , with a rotational speed of 950 RPM . Equipped with diamond-lapped plungers and a triple-stage filtration system (10-micron inlet + 5-micron intermediate + 1-micron outlet), it eliminates abrasive wear in high-pressure jetting .
Heavy Industrial Descaling: Removes mill scale from steel plates, rust from large pipelines (DN300-DN1000), and concrete residues from construction equipment .
Surface Preparation: Creates profile (SP4-SP5) on steel surfaces for coating adhesion in shipbuilding and offshore platform construction .
Tank & Vessel Cleaning: Eliminates hardened deposits from chemical reactors, oil storage tanks, and power plant boilers .
Q: What power configuration does the RTD-4200 Unit use?
A: It operates on 3-phase 400V/50Hz or 480V/60Hz power, with a rated motor power of 420 hp (313 kW) for sustained high-pressure output .
Q: Can it handle abrasive cleaning media?
A: Yes, it supports up to 5% solid content (max particle size 50 microns) when paired with the optional abrasive injection kit .
Q: What is the hose length compatibility?
A: It works with high-pressure hoses up to 100 meters in length, with a minimum burst pressure of 180,000 psi .