DOLPHIN LA 0053 APumping speed 50 m³/hUltimate pressure 130 mbarDOLPHIN LA 0103 A
The Busch DOLPHIN LA 0103 A is a liquid ring vacuum pump with a nominal pumping speed of 100 m³/h (50 Hz) or 135 m³/h (60 Hz) and an ultimate pressure of 130 mbar. Ehrler & Beck advises on selection and service.
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- Pumping speed 100 m³/h 50 Hz 135 m³/h 60 Hz
- Ultimate pressure 130 mbar
- Rated motor power 4 kW 50 Hz 4 kW 60 Hz
Busch DOLPHIN LA 0103 A – liquid ring vacuum pump
The Busch DOLPHIN LA 0103 A is a liquid ring vacuum pump. The nominal pumping speed is 100 m³/h (50 Hz) or 135 m³/h (60 Hz), the ultimate pressure 130 mbar. Nominal motor rating 4 kW.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); Carbon capture (amine scrubbing, pressure swing adsorption, moving bed method); 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 and others); 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 | 100 |
|---|---|
| Pumping speed 60Hz | 135 |
| Ultimate pressure | 130 |
| Rated motor power 50Hz | 4 |
| Rated motor power 60Hz | 4 |
| Weight | 52 |
| Length | 43.9 |
| Width | 25 |
| Height | 32 |
| Inlet connection flange | DN 40 PN 10 |
| Outlet connection flange | DN 40 PN 10 |
| Noise level | 72 dB(A) |
| Cooling method | Water cooling |
| Oil type | Oil-free |
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 100 m³/h (50 Hz) / 135 m³/h (60 Hz) |
| Ultimate pressure | 130 mbar |
| Max. pressure | 2 bar(g) |
| Rated motor power | 4 kW |
| Nominal speed | 1450 min⁻¹ (50 Hz) / 1750 min⁻¹ (60 Hz) |
| Sound pressure level (ISO 3744, 1 m, medium load) | 72 dB(A) |
| Dimensions (L × W × H) | 439 × 250 × 320 mm (50 Hz) / 614 × 250 × 320 mm (60 Hz) |
| Weight (approx.) | 52 kg |
| Gas inlet | DN 40 PN 10 |
| Gas outlet | DN 40 PN 10 |














