C-VLU 301Pumping speed 265 m³/hUltimate pressure 30 mbar
C-VLU 501
The Elmo Rietschle C-VLU 501 is a dry-running, contact-free compressing claw vacuum pump of the new generation: 495 m³/h at 50 Hz, continuous operation down to 60 mbar (abs.). Ehrler & Beck advises on selection and service.
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- Pumping speed 495 m³/h 50 Hz
- Ultimate pressure 60 mbar
Elmo Rietschle C-VLU 501 – dry-running claw vacuum pump
The C-VLU 501 is a twin-shaft claw vacuum pump whose claws roll against each other without contact. According to the operating instructions, the pumping speed with free intake is 495 m³/h at 50 Hz; the pump can be operated continuously at any inlet pressure between 700 mbar (abs.) and 60 mbar (abs.). The pump is enclosed in an insulating hood; a drum fan guides the cooling air. It is driven via a coupling by a flange-mounted standard three-phase motor. Only the gearbox contains oil (filling 1.8 l).Versions
CD and XD; the XD version has an anti-corrosion coating and is suitable for gases containing water vapour. Motor power and voltage according to the nameplate or on request.Dimensions
Dimensions 1175 × 635 × 965 mm (L × W × H; length depending on the motor make), weight 475.5 kg (depending on the motor make), vacuum connection and exhaust outlet G 3, silencer condensate drain G 1/2.Advice and service
Ehrler & Beck supports you in sizing, supplies accessories and spare parts and carries out maintenance and repair.| Pumping speed 50Hz | 495 |
|---|---|
| Ultimate pressure | 60 |
| Weight | 475.5 |
| Length | 117.5 |
| Width | 63.5 |
| Height | 96.5 |
| Inlet connection flange | G 3 |
| Outlet connection flange | G 3 |
| Noise level | 79 dB(A) |
| Cooling method | Air cooling |
| Oil type | Oil-free |
Convert units: vacuum and pressure units · Nm³/h to m³/h
Additional technical data
| Technical data | Value |
|---|---|
| Design | Claw vacuum pump, dry and contact-free compression, air-cooled (insulating hood, drum fan) |
| Pumping speed with free intake | 495 m³/h (50 Hz) |
| Operating range (continuous operation) | 700 to 60 mbar (abs.) |
| Sound pressure level (max.) 50 Hz / 60 Hz | 79 / 81 dB(A) (EN ISO 3744, ±3 dB(A)) |
| Weight | 475.5 kg (depending on the motor make) |
| Dimensions L × W × H | 1175 × 635 × 965 mm |
| Vacuum connection / exhaust outlet | G 3 / G 3 |
| Silencer condensate drain | G 1/2 |
| Oil filling (gearbox) | 1.8 l |
| Versions | CD; XD with anti-corrosion coating for gases containing water vapour |
| Source | Operating instructions BA893 (2025) |
| Product name | Part number |
|---|---|
| Filter element | 7320770000 |
| Strainer filter | ZS1114498 |
| Cover plate | ZS1250977 |
| Drain fitting, oil cooler | 6407220000 |
| B-side cover | 5303220000 |
| B-side cover | ZS1248754 |
| Sheet metal set | ZS1250401 |
| Sealing ring | 7040170000 |
| Sealing ring | 7040620000 |
| Sealing ring | 7045650000 |
| Gasket | 5271170000 |
| Spacer ring | 5298140000 |
| Grommet | 8175690000 |
| Vented oil filler plug | 6407040000 |
| Spring washer | 6220260000 |
| Filter | 7320760000 |
| Pan head screw M8 x 16 | ZS1100323 |
| Pan head screw M8 x 8 | ZS1086733 |
| Foot | ZS1245344 |
| Housing | ZS1112211 |
| Threaded pin | 6160200000 |
| Sleeve | ZS1245321 |
| Interior ring | 6000670000 |
| Hex socket screw M12 x 145 | 6107480000 |
| Hex socket screw M12 x 30 | 6104730000 |
| Hex socket screw M12 x 35 | 6107500000 |
| Hex socket screw M16 x 40 | 6121190000 |
| Hex socket screw M16 x 50 | 6107490000 |
| Hex socket screw M5 x 12 | 6105290000 |
| Hex socket screw M6 x 16 | 6107470000 |
| Hex socket screw M6 x 90 | 6107210000 |
| Hex socket screw M8 x 16 | 6510060000 |
| Piston ring | 7318820000 |
| Conical clamping element | ZS1132383 |
| Coupling | ZS1183378 |
| Coupling | ZS1183379 |
| Push-in elbow connector | 6423560000 |
| Bearing cover | ZS1112284 |
| Reducing socket | 6401000000 |
| Nut M12 | 6180090000 |
| Nut M16 | 6180500000 |
| O-ring | 7062680000 |
| O-ring | 7062800000 |
| O-ring | ZS1141653 |
| Oil sight glass | 7250130000 |
| Key | ZS1112438 |
| Pressing cylinder | 6227640000 |
| Push-in connector | 6423570000 |
| Ball bearing | 6020160000 |
| Eye bolt | 6121000000 |
| Pipe | ZS1250379 |
| Pipe fitting | 6403750000 |
| Rotor, driven | ZS1112205 |
| Rotor, driving | ZS1112206 |
| Non-return valve G 3 | ZS1127058 |
| Silencer | ZS1112338 |
| Washer | 5266840000 |
| Washer | 6200670000 |
| Washer | 6200800000 |
| Washer | 6201160000 |
| Washer | 7045630000 |
| Oil flinger | ZS1112287 |
| Angular contact ball bearing | ZS1111090 |
| Shock mount | 7100820000 |
| Shock mount M12 | 7100350000 |
| Shock mount M12 | ZS1117095 |
| Hexagon bolt | 6121360000 |
| Stud M12 x 25 | ZS1132882 |
| Lifting lug | 5302350000 |
| Fan | ZS1114899 |
| Fan housing | ZS1112213 |
| Extension | 6409860000 |
| Plug | ZS1114841 |
| Plug | 6320680000 |
| Plug | 8172560000 |
| Plug | ZS1135058 |
| Pre-inlet silencer | ZS1245323 |
| Shaft, driven | ZS1112280 |
| Shaft, driving | ZS1112282 |
| Shaft seal | 6047540000 |
| Shaft seal | ZS1105069 |
| Elbow (pipe fitting) | 6405170000 |
| Coupling element | ZS1183380 |
| Intermediate flange | 5221980000 |
| Dowel pin | 6240660000 |







