DOLPHIN LB 0425 A

Name: DOLPHIN LB 0425 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 LB 0425 A is a liquid ring vacuum pump with a nominal pumping speed of 420 m³/h (50 Hz) or 500 m³/h (60 Hz) and an ultimate pressure of 33 mbar. Ehrler & Beck advises on selection and service.

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Pumping speed 420 m³/h 50 Hz 500 m³/h 60 Hz
Ultimate pressure 33 mbar
Rated motor power 15 kW 50 Hz 15 kW 60 Hz

Busch DOLPHIN LB 0425 A – liquid ring vacuum pump

The Busch DOLPHIN LB 0425 A is a liquid ring vacuum pump. The nominal pumping speed is 420 m³/h (50 Hz) or 500 m³/h (60 Hz), the ultimate pressure 33 mbar. Nominal motor rating 15 kW.

Features

Robust: proven two-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), operating liquids other than water, operation as a compressor possible

Typical applications

Busch lists: Biogas handling (circulation); Carbon capture (membrane separation); 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); Food processing (pneumatic conveying of wet food waste, meat tumblers and marinators, powder processing and others); Medical (ETO and steam sterilisation); 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, extruder and melt degassing); Power generation (condenser air extraction); 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	420
Pumping speed 60Hz	500
Ultimate pressure	33
Rated motor power 50Hz	15
Rated motor power 60Hz	15
Weight	194
Length	80.7
Width	30
Height	47.2
Inlet connection flange	DN 50 PN 10
Outlet connection flange	DN 50 PN 10
Noise level	75 dB(A)
Cooling method	Water cooling
Oil type	Oil-free

Convert units: vacuum and pressure units · Nm³/h to m³/h

Additional technical data

Technical data	Value
Nominal pumping speed	420 m³/h (50 Hz) / 500 m³/h (60 Hz)
Ultimate pressure	33 mbar
Max. pressure	2 bar(g)
Rated motor power	15 kW
Nominal speed	1450 min⁻¹ (50 Hz) / 1750 min⁻¹ (60 Hz)
Sound pressure level (ISO 3744, 1 m, medium load)	75 dB(A)
Dimensions (L × W × H)	807 × 300 × 472 mm (50 Hz) / 998 × 300 × 472 mm (60 Hz)
Weight (approx.)	194 kg
Gas inlet	DN 50 PN 10
Gas outlet	DN 50 PN 10