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DOLPHIN LG 0890/1200 A

The Dolphin LG 0890 / 1200 A belongs 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 LG series type page


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

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

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Tekniske spesifikasjoner

Dolphin LG 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.

Tegning DOLPHIN LG 0890 / 1200 A
DOLPHIN LG 0890 / 1200 A
Pumping speed

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

50 Hz 60 Hz
Pumping speed
Tekniske data DOLPHIN LG 0890 A DOLPHIN LG 1200 A
Nominell pumpekapasitet 6000 – 8900 m³/h 7650 – 12000 m³/h
Sluttrykk 160 hPa (mbar) 160 hPa (mbar)
Nominell motoreffekt 132 / 160 / 185 / 200 / 220 kW 160 / 185 / 220 / 250 / 280 kW
Nominell motorhastighet 330 / 372 / 420 / 472 / 490 min-1 266 / 298 / 330 / 372 / 420 min-1
Lydnivå (ISO 2151) < 85 dB(A) < 85 dB(A)
Vekt ca. 3880 kg 5760 kg
Mål (L × B × H) 2370 x 1330 x 1865 mm 2500 x 1550 x 2160 mm
Gassinnløp/-utløp DN 300 PN 10 / DN 300 PN 10 DN 350 PN 10 / DN 350 PN 10

Tekniske spesifikasjoner

Dolphin LG 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.

Tegning
DOLPHIN LG 0890 / 1200 A
DOLPHIN LG 0890 / 1200 A
Pumping speed

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

50 Hz
60 Hz
Pumping speed
Tekniske data DOLPHIN LG 0890 A DOLPHIN LG 1200 A
Nominell pumpekapasitet 6000 – 8900 m³/h 7650 – 12000 m³/h
Sluttrykk 160 hPa (mbar) 160 hPa (mbar)
Nominell motoreffekt 132 / 160 / 185 / 200 / 220 kW 160 / 185 / 220 / 250 / 280 kW
Nominell motorhastighet 330 / 372 / 420 / 472 / 490 min-1 266 / 298 / 330 / 372 / 420 min-1
Lydnivå (ISO 2151) < 85 dB(A) < 85 dB(A)
Vekt ca. 3880 kg 5760 kg
Mål (L × B × H) 2370 x 1330 x 1865 mm 2500 x 1550 x 2160 mm
Gassinnløp/-utløp DN 300 PN 10 / DN 300 PN 10 DN 350 PN 10 / DN 350 PN 10

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