Data Sheet
D1 High Power Open Circuit Pumps
65/130/145/193/260 cm³
The new D1 pump is a high-pressure, highperformance variable axial piston pump, developed specifically for open-circuit systems in the most extreme application environments. Its robust design makes it an ideal solution for concrete machinery, mining machinery, cranes, drilling machinery, offshore, marine, and oil and gas equipment.
The D1 expands the Danfoss open circuit pump portfolio to include higher hydraulic power product options for customers. It’s designed to work seamlessly with the new PVG 128/256 high flow valves, providing OEMs a full hydraulic system portfolio.
The D1 pump is offered with five displacement options (65cc-260cc), a wide range of control options (pressure, load sense, power limiting and displacement controls), output pressure up to 350bar [5000psi] continuously, 400bar [5802psi] intermittently, and an integral charge pump allows the D1 pump to run at speeds up to 2500rpm.
The D1 pump was developed and designed with global expertise, and customers will benefit from the strong local service provided by Danfoss. Danfoss offers technical support through its wide network of local distributors in more than 100 countries.
Features
•Proven and optimized 9 piston rotating group
•Angled bore cylinderblock design improves self-priming capability
•The spherical valve plate and cylinderblock surface provide stable rotation, thus achieving high efficiency
•Mainstream installation
•Standardized connector interface
•High power density
•Integral charge pump option allows the pump to run at higher speed
•PLUS+1® compliant control
•Full power through drive capability
•The electric displacement control features manual override function for diagnosis
Control options
•NPE0: PC + EDC (without pilot pressure)
•NPE2: PC + EDC (with pilot pressure)
•NPNN: PC
•NPSN: PC + LS
•NPNR: PC + RPC
•NNES: EDC + LS
•TPSN: MTC + PC + LS
•TPE2/TPE5: MTC + PC + EDC
© Danfoss | October 2020 |
AI152986485542en-CN0303 | 1 |
Data Sheet
D1 High Power Open Circuit Pumps
Technical Specifications
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65 |
130 |
145 |
193 |
260 |
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Features |
Unit |
W/O Charge |
W/O Charge |
W/ Charge |
W/O Charge |
W/ Charge |
W/Charge |
W/Charge |
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Pump |
Pump |
Pump |
Pump |
Pump |
Pump |
Pump |
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Displacement |
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cm3 [in3] |
65 [3.84] |
130 [7.93] |
130 [7.93] |
145 [8.85] |
145 [8.85] |
193 [11.78] |
260 [15.87] |
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Available Rotation1 |
CCW [L] |
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CW [R] |
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Weight (approx.) |
kg [lbs] |
47 [104] |
68 [150] |
74 [163] |
68 [150] |
74 [163] |
106 [234] |
141 [311] |
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Min. |
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500 |
500 |
500 |
500 |
500 |
500 |
500 |
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Input Speed |
Rated |
rpm |
2550 |
2200 |
2500 |
2200 |
2500 |
2500 |
2300 |
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Max. |
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3000 |
2500 |
2500 |
2200 |
2500 |
2500 |
2300 |
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Theoretical Flow |
l/min |
165 [44] |
286 [76] |
325 [86] |
319 [84] |
363 [96] |
483 [128] |
598 [158] |
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[US gal/min] |
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Max. |
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System |
Working |
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350 [5076] |
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Pressure2 |
bar [psi] |
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Pressure |
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Max. |
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400 [5802] |
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Pressure |
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Inlet Pressure |
Min. |
bar [psi] |
0.8 [11.6] |
0.8 [11.6] |
0.6 [8.7] |
0.8 [11.6] |
0.6 [8.7] |
0.6 [8.7] |
0.6 [8.7] |
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(Abs) |
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Max. |
30 [435] |
30 [435] |
2 [29] |
30 [435] |
2 [29] |
2 [29] |
2 [29] |
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Case |
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Pressure |
Max. |
bar [psi] |
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2 [29] |
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(Abs) |
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1Rotation: Counterclockwise (CCW) & Clockwise (CW) directions as viewed from the shaft end of the pump.
2Applied pressures above maximum working pressure requires Danfoss application approval. Maximum (peak) pressure is the highest intermittent (t<1s) outlet pressure allowed.
2 | © Danfoss | October 2020 |
AI152986485542en-CN0303 |
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