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DOLPHIN LR 1560 / 2200 A

Dolphin LR – robust and high capacity. Ideal for demanding applications, including saturated vapour loads.

Dolphin LR – robust and high capacity. Ideal for demanding applications, including saturated vapour loads.

The Dolphin LR 1560 / 2200 A belong to the Busch product family of proven Dolphin liquid ring vacuum pumps. You will find more information on advantages, technology, accessories and spare parts, applications as well as a complete product overview on our Dolphin LR series type page.

Series Type Page DOLPHIN LG / LR
Want to know more?
Contact us directly (Busch Turkey):
Get in contact or +90 (0)216 3100573

Dolphin LR – robust and high capacity. Ideal for demanding applications, including saturated vapour loads.

Dolphin LR – robust and high capacity. Ideal for demanding applications, including saturated vapour loads.


Technical Specifications

Dolphin LR is a series of single-stage liquid ring vacuum pumps. An eccentrically mounted impeller rotates in a housing partially filled with operating fluid. The impeller blades dip into the fluid, and the centrifugal force exerted by their rotation forms a so-called liquid ring within the housing.


The pumped medium is transported in the spaces between the blades and the liquid ring. The eccentric rotation of the impeller alters the volume of these spaces, causing gas to be drawn in, compressed and expelled.

Dimensional Drawing DOLPHIN LR 1560 / 2200 A
DOLPHIN LR 1560 / 2200 A
Pumping speed

Dry air at 20 °C. Tolerance: - 5%, in accordance with HEI and Pneurop 6612

50 Hz 60 Hz
Pumping speed
Technical data DOLPHIN LR 1560 A DOLPHIN LR 2200 A
Nominal pumping speed 9500 – 15600 m³/h 14100 – 22000 m³/h
Ultimate pressure 33 hPa (mbar) 33 hPa (mbar)
Nominal motor rating 220 / 250 / 280 / 315 / 400 / 450 kW 355 / 400 / 400 / 500 / 600 kW
Nominal motor speed 236 / 266 / 298 / 330 / 372 / 398 min-1 210 / 236 / 266 / 298 / 330 min-1
Noise level (ISO 2151) < 85 dB(A) < 85 dB(A)
Weight approx. 8340 kg 12000 kg
Dimensions (L x W x H) 2512 x 1785 x 2560 mm 2891 x 2065 x 2965 mm
Gas inlet / outlet DN 400 PN 10 / DN 400 PN 10 DN 500 PN 10 / DN 500 PN 10

Technical Specifications

Dolphin LR is a series of single-stage liquid ring vacuum pumps. An eccentrically mounted impeller rotates in a housing partially filled with operating fluid. The impeller blades dip into the fluid, and the centrifugal force exerted by their rotation forms a so-called liquid ring within the housing.


The pumped medium is transported in the spaces between the blades and the liquid ring. The eccentric rotation of the impeller alters the volume of these spaces, causing gas to be drawn in, compressed and expelled.

Dimensional Drawing
DOLPHIN LR 1560 / 2200 A
DOLPHIN LR 1560 / 2200 A
Pumping speed

Dry air at 20 °C. Tolerance: - 5%, in accordance with HEI and Pneurop 6612

50 Hz
60 Hz
Pumping speed
Technical data DOLPHIN LR 1560 A DOLPHIN LR 2200 A
Nominal pumping speed 9500 – 15600 m³/h 14100 – 22000 m³/h
Ultimate pressure 33 hPa (mbar) 33 hPa (mbar)
Nominal motor rating 220 / 250 / 280 / 315 / 400 / 450 kW 355 / 400 / 400 / 500 / 600 kW
Nominal motor speed 236 / 266 / 298 / 330 / 372 / 398 min-1 210 / 236 / 266 / 298 / 330 min-1
Noise level (ISO 2151) < 85 dB(A) < 85 dB(A)
Weight approx. 8340 kg 12000 kg
Dimensions (L x W x H) 2512 x 1785 x 2560 mm 2891 x 2065 x 2965 mm
Gas inlet / outlet DN 400 PN 10 / DN 400 PN 10 DN 500 PN 10 / DN 500 PN 10

Accessories and Spare Parts

  • Motorized pumpsets with gearbox
  • Partial or total recirculation systems
  • Cavitation protection
  • Gas ejector
  • Non-return valves
  • Vacuum relief valves

Want to know more?
Contact us directly (Busch Turkey):
+90 (0)216 3100573 Get in contact

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