DOLPHIN LR 0210 APumping speed 2,100 m³/hUltimate pressure 33 mbar
DOLPHIN LA 3809 A
The Busch DOLPHIN LA 3809 A is a liquid ring vacuum pump with a nominal pumping speed of 3600 m³/h (50 Hz) or 3800 m³/h (60 Hz) and an ultimate pressure of 130 mbar. Ehrler & Beck advises on selection and service.
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- Pumping speed 3,600 m³/h 50 Hz 3,800 m³/h 60 Hz
- Ultimate pressure 130 mbar
- Rated motor power 75 kW 50 Hz 90 kW 60 Hz
Busch DOLPHIN LA 3809 A – liquid ring vacuum pump
The Busch DOLPHIN LA 3809 A is a liquid ring vacuum pump. The nominal pumping speed is 3600 m³/h (50 Hz) or 3800 m³/h (60 Hz), the ultimate pressure 130 mbar. Nominal motor rating 75 kW (50 Hz) or 90 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); 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, profile calibration); Waste water treatment (aeration process); Woodworking (impregnation).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 | 3,600 |
|---|---|
| Pumping speed 60Hz | 3,800 |
| Ultimate pressure | 130 |
| Rated motor power 50Hz | 75 |
| Rated motor power 60Hz | 90 |
| Weight | 2,030 |
| Length | 166.5 |
| Width | 80 |
| Height | 140 |
| Inlet connection flange | DN 250 PN 10 |
| Outlet connection flange | DN 250 PN 10 |
| Noise level | 85 dB(A) |
| Cooling method | Water cooling |
| Oil type | Oil-free |
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 2600 – 3600 m³/h (50 Hz) / 3400 – 3800 m³/h (60 Hz) |
| Ultimate pressure | 130 mbar |
| Max. pressure | 2 bar(g) |
| Rated motor power | 75 – 110 kW (50 Hz) / 90 – 132 kW (60 Hz) |
| Nominal speed | 465 – 650 min⁻¹ (50 Hz) / 600 – 700 min⁻¹ (60 Hz) |
| Sound pressure level (ISO 3744, 1 m, medium load) | 85 dB(A) |
| Dimensions (L × W × H) | 1665 × 800 × 1400 mm |
| Weight (approx.) | 2030 kg |
| Gas inlet | DN 250 PN 10 |
| Gas outlet | DN 250 PN 10 |
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