Danfoss Aluminum Multiple Stage Shhark Low Noise Gear Pump

Danfoss has developed the compact multiple pump in standard and shhark version in order to meet the requirements of compactness and low noise emission in one solution.
This configuration also has 120 Nm as maximum torque by stages, so that it is possible to work concurrently at high pressure with large displacements.

Variations

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Displacement: 6.2 cm3 /rev

6.2 cm3 /rev

8.6 cm3 /rev

11.1 cm3 /rev

14.8 cm3 /rev

17.2 cm3 /rev

19.7 cm3 /rev

23.4 cm3 /rev

25.8 cm3 /rev

28.9 cm3 /rev

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Displacement: 6.2 cm3 /rev

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6.2 cm3 /rev

8.6 cm3 /rev

11.1 cm3 /rev

14.8 cm3 /rev

17.2 cm3 /rev

19.7 cm3 /rev

23.4 cm3 /rev

25.8 cm3 /rev

28.9 cm3 /rev

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Description

FEATURES AND BENEFITS

Easy installation and machine design flexibility due to compact dimensions.

High torque transmission and working performance.

No need for secondary noise reduction measures.

Almost twice the number of teeth of a standard gear pump of the same frame size.

Reduced flow pulsation and vibration, which improves operator comfort.

Reduced noise emissions by up to 10 dB(A) on average compared with standard gear pumps.

Helps meet legal NVH (noise, vibration, harshness) requirements.

ADVANTAGES

Thanks to compact design: easy installation and machine design flexibility — compact dimensions of the pump.

High working performance — higher torque transmission compared to other standard multiple pumps.

Thanks to shhark design: cost saving — secondary noise reduction measures eliminated.

Improved operator comfort — better sound quality compared to other low noise technologies on the market.

Noise regulation compliance — helps meet legal NVH (noise, vibration, harshness) requirements.

Recommended for electric machines

TECHNICAL DATAS

Frame Size	Displacement cm³ [in³]	Rated pressure bar [psi]	Min. speed at 0–100 bar rpm	Max. speed rpm	Theoretical flow at max. speed l/min [US gal/min]
6.0	6.2 [0.37]	250 [3,625]	600	4,000	24.72 [6.4]
8.0	8.6 [0.53]	250 [3,625]	600	4,000	34.8 [9.2]
011	11.1 [0.68]	250 [3,625]	500	4,000	44.4 [11.7]
014	14.8 [0.90]	250 [3,625]	500	3,500	51.8 [13.7]
017	17.2 [1.06]	250 [3,625]	500	3,000	51.9 [13.7]
019	19.7 [1.21]	240 [3,480]	500	3,000	59.4 [15.7]
022	23.4 [1.43]	210 [3,045]	500	3,000	70.5 [18.6]
025	25.8 [1.58]	190 [2,755]	500	3,000	77.8 [20.6]
028	28.9 [1.75]	180 [2,610]	500	2,500	72.5 [19.1]

APPLICATIONS

Tractors and wheel loaders

Telehandlers

Sweepers and rollers

Combines and harvesters

Excavators

Cab-equipped mobile machines

Forklifts and lift trucks

Aerial work platforms

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