LF series
OIL FREE PISTON COMPRESSORS
When you need absolutely clean air, “technically oil-free†5 really won’t do. Oil-injected compression, even filtered, cannot guarantee that all oil vapors, aerosols and other contaminants are removed from the air. Atlas Copco pioneered the oil-free air technology that removes any risk of contamination by oil. What is more, we also set a new standard in air quality as the first manufacturer to be certified ISO 8573-1 Class 0. With no less than four clean air piston series (the LZ, LF, LFx and LFxD), we have the right oil-free compressor for you.
FEATURES & BENEFITS
Flexibility
- Full range with different power (0.7-20 hp), pressure (4-10 bar) and power supply (230/400/460V) options.
- Pack and full feature, base and tank mounted versions are available.
Quality air
- ISO 8573-1 Class 0 pump produces TÜV-certified 100% clean air.
- Dryer and dust particle filters come included as standard in the full feature and pack versions.
Reliability
- Patented stainless steel inlet/outlet pump valves.
- Long lifetime of 16,000 hours.
- Elimination of oil changes ensures minimal service requirements.
- Extremely low maintenance costs.
Energy savings
- Direct drive offers major energy savings compared to belt-driven compressors.
- Start-stop technology eliminates waste during the unload cycle.
- One-bearing motor reduces mechanical friction.
Optimum versatility
The L oil-free and oil-lubricated compressors are available in a number of product variants to match the exact needs of a wide range of end users. They are available as standard “core†units, with the possibility to add a number of standard options, giving the flexibility to match the individual application requirements.
L Block
The heart of the L is a compact and light-weight automotive type aluminum compressor block designed for the best performance. Combined with the direct drive setup, this makes the L compressor block perfect for OEM applications. Following the recommended starter and start/stop regulation*, the L block is available with simple connection, industrial check valve or industrial unloader valve connected to the aftercooler pipe of the block. All blocks are factory tested.
L Powerpack
In a Powerpack, the L compressor block is directly driven to an electrical IP55/insulation class F motor. Different motors are available both for Direct On Line (DOL) start and Y/D start. DOL start can be combined with a simple check valve (S) or with an industrial check valve (CV). Y/D start is common on units from 5.5 hp and is always combined with an industrial unloader valve (UV). On Powerpack versions the scope of supply for DOL started units contains a pressure switch (incl. on/off switch, overload protection and unloader), supplied separately. On Powerpack versions with Y/D start, only the solenoid valve is added, not the pressure switch and not the cubicle.
L Base-mounted
In a base-mounted variant, the L Powerpack is mounted on a frame with pre-wired regulation installed to run the unit in start/stop. Additionally, a flexible hose and pressure gauge is mounted to connect the base-mounted unit to the air consumer or air net. Base-mounted units are always supplied with industrial check valve or unloader valve, not with the simple check valve. Units with Y/D are supplied with the electrical cubicle. The electrical cubicle contains a transformer for the 230/1 control voltage if unit voltage <> 230/1, 230/3 or 400/3/50. For 400/3/50 it is assumed that a neutral line is available from the electricity net.
L Complete Unit
In the L complete unit model, a Powerpack is mounted on a receiver. Standard receiver sizes are: 2 – 3 hp: 90 liter, 5.5 – 20 hp: 250 liter Receivers are available in different approvals: CE, ASME, LL/MOM, AS1210. Please refer
to the contact person for details on which approvals are available for which receivers.
L Full Feature
In a Full Feature version, an Atlas Copco refrigerant dryer is mounted on the receiver. Receiver sizes are: 2 – 5.5 hp: 250 liter, 5.5 – 10 hp: 475 liter Full Feature versions are available from 2 to 10 hp.
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