Viewed products
Sperre LL2/140

LMF PK250 Pressure Transmitter

SupertronModel E52-P3C 180°C

Rolls-Royce Marine PC1019 rev.C

Rolls-Royce Marine PC1019 rev.B

Amplifier card 5801-CS-AMP-05 Rolls-Royce Tenfjord

LMF 59565 EVEM12-VO-L45-SB25A-1PVC

Yanmar 151673-51250Bolt, Barrel

Kongsberg SensorsMB286S125U
| Manufacturer | Sperre |
| Model | LL2/140 |
| Serial number | 145084 |
| kW | 30 |
| RPM | 1470 |
| Volt | 380/660 |
| HZ | 50 |
| m³ /h, cubic meter per hour capacity | 188 |
| Electric motor type | Stromberg hxur 405A2 B3 |
| Working pressure BAR | 8 |
| Test Pressure BAR | 15 |
Model LL2/140 is a one stage 90º V-compressor.
Cylinders and compressed air coolers are air-cooled.
Bearings and cylinders walls are splash lubricated. The compressor and motor are normally supplied mounted together and connected by means of a heavy-duty flexible coupling.
| Technical Data | ||||
|---|---|---|---|---|
| Performance | 50 Hz (7-10 bar) | 60 Hz (7-10 bar) | ||
| Speed (RPM) | 975 | 1475 | 1175 | |
| Charging capacity (m³/h)* | 128 | 188 | 155 | |
| Power requirement (kW) | 16,5 | 25,1 | 19,8 | |
| Heat dissipation (kCal/h) | 12771 | 19427 | 15325 | |
| *Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%. | ||||
| Design | ||||
| No. of cylinders | 2 | |||
| Cylinder arrangement | 90° V | |||
| No. of compression stages | 1 | |||
| Cooling | Air | |||
| Valve LP | Concentric plate valves | |||
| Dimensions & weight | ||||
| Cylinder diameter LP | 140 mm | |||
| Stroke | 100 mm | |||
| Weight (compressor/el.motor) | 626 kg | |||
| Lubrication | ||||
| Sump capacity | 10 litres | |||
| Lubrication system | Splash | |||
| Operating parameters | ||||
| Maximum delivery pressure | 10 bar | |||
| Ambient temperature | 45°C | |||
| Normal temperature outlet air | 10°C above ambient temperature | |||
| Maximum speed | 1500 RPM | |||
| Set point thermo switch air alarm/stop | 75°C/80°C | |||
| Rotation | Anti-clockwise (looking at the drive end) | |||
| Safety valves set point | 10% above stage pressure | |||
| Max. noise level | 91 dBA | |||
| Max. vibration level | 30 mm/s-RMS | |||