DOLPHIN LB 3809 A

Name: DOLPHIN LB 3809 A
Brand: Busch

Series: DOLPHIN series Manufacturer: Busch Technology: Liquid ring vacuum pumps Industries: Waste management and recycling, Automotive and transport, Battery manufacturing, Mining, Chemicals, Carbon capture (CCUS), Energy, Fish farming and aquaculture, Research, laboratory and analytics, Woodworking, Refrigeration and air conditioning, Power generation, Plastics and recycling, Food and beverage, Medical and healthcare, Metallurgy and heat treatment, Dairy, Oil and gas, Pharmaceuticals and biotechnology, Confectionery and bakery, Industrial gases, Environmental and wastewater, Packaging, Hydrogen and fuel cells Applications: Filling and sealing, Extraction of chips, dust and liquids, Centrifugal pump priming, Biogas, landfill and digester gas, Carbon capture processes, Distillation and solvent recovery, Degassing, Evacuation and charging (refrigeration, air conditioning, brakes), Evacuation of chambers and vessels, Extruder degassing and extrusion, Gas and vapour recovery, Gas liquefaction, storage and industrial gases, Freeze drying, Glycol regeneration (MEG, TEG), Vacuum cooking and extraction, Condenser air extraction, Seawater deaeration, Anaesthetic gas scavenging, Pneumatic conveying, Recycling (plastics and batteries), Steel degassing, Sterilisation, Parts cleaning and vacuum cleaning, Thermoforming, Transformers, capacitors and insulating oil, Tumbling, cutting and filling (meat), Vacuum filtration, Vacuum impregnation, Vacuum cooling, Vacuum drying, Vacuum packaging, Evaporation and concentration

The Busch DOLPHIN LB 3809 A is a liquid ring vacuum pump with a nominal pumping speed of 3800 m³/h and an ultimate pressure of 33 mbar. Ehrler & Beck advises on selection and service.

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Pumping speed 3,800 m³/h 50 Hz 3,800 m³/h 60 Hz
Ultimate pressure 33 mbar
Rated motor power 90 kW 50 Hz 90 kW 60 Hz

Busch DOLPHIN LB 3809 A – liquid ring vacuum pump

The Busch DOLPHIN LB 3809 A is a liquid ring vacuum pump. The nominal pumping speed is 3800 m³/h, the ultimate pressure 33 mbar. Nominal motor rating 90 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); 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 (fish meal impregnation); Food processing (pneumatic conveying of wet food waste, meat tumblers and marinators, powder processing and others); Metallurgy (steel degassing); 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); 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	3,800
Pumping speed 60Hz	3,800
Ultimate pressure	33
Rated motor power 50Hz	90
Rated motor power 60Hz	90
Weight	2,200
Length	202.5
Width	95
Height	141
Inlet connection flange	DN 200 PN 10
Outlet connection flange	DN 200 PN 10
Noise level	85 dB(A)
Cooling method	Water cooling
Oil type	Oil-free

Additional technical data

Technical data	Value
Nominal pumping speed	2500 – 3800 m³/h
Ultimate pressure	33 mbar
Max. pressure	2 bar(g)
Rated motor power	90 – 150 kW
Nominal speed	465 – 700 min⁻¹
Sound pressure level (ISO 3744, 1 m, medium load)	85 dB(A)
Dimensions (L × W × H)	2025 × 950 × 1410 mm
Weight (approx.)	2200 kg
Gas inlet	DN 200 PN 10
Gas outlet	DN 200 PN 10