DOLPHIN LA 1157 A

Name: DOLPHIN LA 1157 A
Brand: Busch

Series: DOLPHIN series Manufacturer: Busch Technology: Liquid ring vacuum pumps Industries: Automotive and transport, Battery manufacturing Applications: Anaesthetic gas scavenging, Biogas, landfill and digester gas

The Busch DOLPHIN LA 1157 A is a liquid ring vacuum pump with a nominal pumping speed of 1150 m³/h (50 Hz) or 1380 m³/h (60 Hz) and an ultimate pressure of 130 mbar. Ehrler & Beck advises on selection and service.

Request a quote for this product Read more

Pumping speed 1,150 m³/h 50 Hz 1,380 m³/h 60 Hz
Ultimate pressure 130 mbar
Rated motor power 30 kW 50 Hz 45 kW 60 Hz

Busch DOLPHIN LA 1157 A – liquid ring vacuum pump

The Busch DOLPHIN LA 1157 A is a liquid ring vacuum pump. The nominal pumping speed is 1150 m³/h (50 Hz) or 1380 m³/h (60 Hz), the ultimate pressure 130 mbar. Nominal motor rating 30 kW (50 Hz) or 45 kW (60 Hz).

Features

Robust: proven single-stage design
Reliable: very high vapour and particle tolerance
Flexible: materials from grey cast iron (EN-GJL-200) through various stainless steels to titanium, ATEX version (cat. 1(i)/2(o) IIC T5), various operating liquids, operation as a compressor possible

Typical applications

Busch lists: Biogas handling (circulation); Chemistry (packaging, filtration, degassing, distillation, solvent recovery and others); Confectionery (other coatings, pneumatic conveying, moulding and forming and others); Dairy products (cheese production – vacuum chambers for cheese, cheese production – pneumatic conveying, cheese production – cheese towers and others); Fish farming (holding vacuum for filleting, fish meal impregnation, pneumatic transport of live fish); Oil and gas (crude oil distillation, flare gas recovery, vapour recovery and others); Packaging (liquid packaging); Pharmaceuticals and biotechnology (distillation, solvent recovery, filtration, degassing, evaporation, drying and others); Plastics processing (pyrolysis, profile calibration); Power generation (water box priming); Waste water treatment (aeration process); Woodworking (impregnation, drying).

Accessories and versions

Open or closed liquid circuit
Liquid separator
Cavitation protection
Heat exchanger
Gas ejector
Wide choice of motors
Non-return valves
Vacuum relief valves
ATEX – for safe operation in potentially explosive atmospheres

Advice and service

Ehrler & Beck advises on selection, accessories and service.

Pumping speed 50Hz	1,150
Pumping speed 60Hz	1,380
Ultimate pressure	130
Rated motor power 50Hz	30
Rated motor power 60Hz	45
Weight	575
Length	104.6
Width	48
Height	80
Inlet connection flange	DN 125 PN 10
Outlet connection flange	DN 125 PN 10
Noise level	77 dB(A)
Cooling method	Water cooling
Oil type	Oil-free

Additional technical data

Technical data	Value
Nominal pumping speed	1150 m³/h (50 Hz) / 1380 m³/h (60 Hz)
Ultimate pressure	130 mbar
Max. pressure	2 bar(g)
Rated motor power	30 kW (50 Hz) / 45 kW (60 Hz)
Nominal speed	980 min⁻¹ (50 Hz) / 1150 min⁻¹ (60 Hz)
Sound pressure level (ISO 3744, 1 m, medium load)	77 dB(A)
Dimensions (L × W × H)	1046 × 480 × 800 mm (50 Hz) / 1231 × 480 × 800 mm (60 Hz)
Weight (approx.)	575 kg
Gas inlet	DN 125 PN 10
Gas outlet	DN 125 PN 10