Edwards LR1A700Pumping speed 601.2 m³/hUltimate pressure 33 mbar
Edwards LR1A500 Bareshaft (without motor), material: grey cast iron with stainless steel impeller (“SS fitted”)
The Edwards LR1A500 is a single-stage liquid ring vacuum pump in bareshaft design. Ehrler & Beck advises on selection and service.
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- Ultimate pressure 33 mbar
- Rated motor power 15 kW 50 Hz 22 kW 60 Hz
| Variant | Part number |
|---|---|
| Bareshaft (without motor), material: grey cast iron with stainless steel impeller (“SS fitted”) (selected) | LR1A0500BA50 |
| Bareshaft (without motor), material: stainless steel (“SS”) | LR1A0500BA70 |
Edwards LR1A500 – single-stage liquid ring vacuum pump
Edwards gives the pumping speed of the LR1A500 on request. Liquid ring pumps compress the gas in a rotating liquid ring; the operating liquid carries away the heat of compression. They tolerate vapours, moisture and entrained liquid.Features
- Single-stage design with valve plate
- Bareshaft version for drive via coupling or belt
- Materials: grey cast iron, grey cast iron with stainless steel impeller or stainless steel
- Mechanical seals flushed via internal channels – only operating liquid required
Versions of the Edwards LR1A500
The 2 versions differ in material.Advice and service
Ehrler & Beck supports you in selecting material, drive and operating liquid and carries out maintenance and repair.| Ultimate pressure | 33 |
|---|---|
| Rated motor power 50Hz | 15 |
| Rated motor power 60Hz | 22 |
| Weight | 225 |
| Length | 84 |
| Width | 48 |
| Height | 61 |
| Inlet connection flange | DN100 |
| Outlet connection flange | DN100 |
| Noise level | 82 dB(A) |
| Cooling method | Water cooling |
| Oil type | Oil-free |
Additional technical data
| Technical data | Value |
|---|---|
| Design | Single-stage liquid ring vacuum pump, bareshaft version for drive via coupling or belt |
| Ultimate pressure (Edwards shop) | 33 mbar |
| Max. differential pressure | 1.3 bar |
| Drive power (Edwards shop) | 15 kW (50 Hz), 22 kW (60 Hz) |
| Sound pressure level | ≤ 82 dB(A) ± 3 dB (1 m, free field) |
| Vibration | 4.5 mm/s |
| Connections (Edwards shop) | Inlet and outlet ports DN100 |
| Dimensions L × W × H (Edwards shop) | 840 × 480 × 610 mm |
| Weight (Edwards shop) | 225 kg |
| Operating liquid | Water or another non-flammable liquid compatible with the process gas and materials |
| Materials | Grey cast iron with stainless steel impeller or stainless steel; mechanical seals silicon carbide against carbon, FKM; valve plate PTFE |
| Bearings | Grease to DIN 51825 K2K-30 |
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