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DOLPHIN LR 0420/0580 A

Liquid Ring Vacuum Pumps and Compressors

Robust
Proven technology, reliable operation, extremely high vapor and particle tolerance, specially designed for challenging environments like mining, power plants, sugar production, pulp and paper industry, steel production etc.
High performance
High-capacity, high pumping speeds
Flexible
Modular design, choice of cast iron (EN-GJL-200) housing with ductile cast iron impeller or all 304 grade, or 316L grade corrosion-free stainless steel material, operating fluids other than water possible, operation as compressor possible

Technical Specifications

Dimensional drawing DOLPHIN LR 0420/0580 A
DOLPHIN LR 0420/0580 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 LR 0420 A LR 0580 A
Nominal pumping speed 2250 – 3830 m³/h 2900 – 5300 m³/h
Ultimate pressure 33 hPa (mbar) 33 hPa (mbar)
Nominal motor rating 55 – 132 kW 75 – 185 kW
Nominal motor speed 472 – 790 min-1 372 – 660 min-1
Noise level (ISO 2151) ≤ 85 dB(A) ≤ 85 dB(A)
Weight approx. 1572 kg 2233 kg
Dimensions (L x W x H) 1670 x 1030 x 1360 mm 1819 x 1160 x 1570 mm
Gas inlet / outlet DN 200 PN 10 DN 250 PN 10
Order now or get more information

DOLPHIN LR 0420/0580 A

Liquid Ring Vacuum Pumps and Compressors

Robust
Proven technology, reliable operation, extremely high vapor and particle tolerance, specially designed for challenging environments like mining, power plants, sugar production, pulp and paper industry, steel production etc.
High performance
High-capacity, high pumping speeds
Flexible
Modular design, choice of cast iron (EN-GJL-200) housing with ductile cast iron impeller or all 304 grade, or 316L grade corrosion-free stainless steel material, operating fluids other than water possible, operation as compressor possible

Technical Specifications

Dimensional drawing
DOLPHIN LR 0420/0580 A
DOLPHIN LR 0420/0580 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 LR 0420 A LR 0580 A
Nominal pumping speed 2250 – 3830 m³/h 2900 – 5300 m³/h
Ultimate pressure 33 hPa (mbar) 33 hPa (mbar)
Nominal motor rating 55 – 132 kW 75 – 185 kW
Nominal motor speed 472 – 790 min-1 372 – 660 min-1
Noise level (ISO 2151) ≤ 85 dB(A) ≤ 85 dB(A)
Weight approx. 1572 kg 2233 kg
Dimensions (L x W x H) 1670 x 1030 x 1360 mm 1819 x 1160 x 1570 mm
Gas inlet / outlet DN 200 PN 10 DN 250 PN 10

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