Viewed products
Sperre HLF2/77 start air compressor...
The AK-6 easily adds six more 4-20mA channels to the DCU 305 panels of...
The MK-14 is a compact relay expansion unit, with 14 relays on-board....
This interface block is a mandatory requirement for each DCU 305...
The DCU 305 A R1 / DCU 305 F R1 is an electronic unit for control and...
The DCU 105 is an electronic unit for control and monitoring of diesel...
The DCU 205 is an electronic unit for control and monitoring of marine...
The DCU 2217 is an electronic unit for control and monitoring of diesel...
L'Orange VUO-G053 Nozzle holder with fuel injection valve.
13225-sperre-hl2-77
Used
Sperre HLF2/77 start air compressor
Manufacturer | Sperre |
Model | HLF2/77 |
Serial number | 77280 |
kW | 5,1 @ 50 Hz - 5,9 @ 60 Hz see photo of electric motor type plate |
RPM | 965 @ 50 Hz - 1160 @ 60 Hz see photo of electric motor type plate |
Volt | 220/380-440 - see photo of electric motor type plate |
Class | Lloyds Register |
m³ /h, cubic meter per hour capacity | 20 |
Electric motor type | Siemens 1LA3134-6SA-2 |
Working pressure BAR | 30 |
Test Pressure BAR | 45 |
Sperre Model HLF2/77 is a two 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 (30 bar) | 60 Hz (30 bar) | ||
Speed (RPM) | 1450 | 1175 | 1750 | |
Charging capacity (m³/h)* | 11 | 9 | 13 | |
Power requirement (kW) | 2,8 | 2,3 | 3,1 | |
Heat dissipation (kCal/h) | 2129 | 1780 | 2399 | |
*Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%. | ||||
Design | ||||
No. of cylinders | 2 | |||
Cylinder arrangement | 90° V | |||
No. of compression stages | 2 | |||
Cooling | Air | |||
Valve LP | Reed valve | |||
Valve HP | Concentric plate valve | |||
Dimensions & weight | ||||
Cylinder diameter LP | 77 mm | |||
Cylinder diameter HP | 50 mm | |||
Stroke | 40 mm | |||
Weight (compressor/el.motor) | 120 kg | |||
Lubrication | ||||
Sump capacity | 1.8 litres | |||
Lubrication system | Splash | |||
Operating parameters | ||||
Maximum delivery pressure | 35 bar | |||
Ambient temperature | 45°C | |||
Normal working pressure LP | 2–4 bar | |||
Normal temperature outlet air | Approx. 25°C above ambient | |||
Maximum speed | 1800 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 | 81 dBA |