Air suspension compressors LFK from AMK are ideal qualified for closed air supply of electronical air-suspension systems

With air suspension compressors LFK from AMK you count on powerful and reliable products of high-quality for closed air supply of electronical air-suspension systems.

Air suspension compressors

Innovative quality for greater security. Compact. Light. Quiet.

With AMK’s air-suspension compressors, you get an innovative concept for closed air supply for air-suspension systems. In closed systems, unused air is fed back and stored. AMK’s air-suspension compressors provide more efficient and reliable solutions for all currently known functions. New functions such as boarding aids, level adjustment or loading-sill lowering can also be implemented without any difficulty.

The Benefits to you:

Powerful and reliable
Compact and lightweight design
Minimum noise and vibration
Unused compressed air is fed back and stored
Sophisticated and highly integrated drying concept
Integrated quick release without additional valve

LFK HP

The LFK HP is a powerful, extremely compact and lightweight two-stage compressor. High pressures up to and above 30 bar and highly integrated venting circuits are standard features.

LFK MP

The LFK MP is a special LFK model, combining pressure levels of up to 18 bar with high availability of up to and above 35%. Its outstanding design features are, of course, identical to those of the LFK HP.

LFK EK 13

The LFK EK 13 is a cost-effective, powerful single-piston compressor for pressure levels of up to 15 bar. It is a device that is ideal for integration into applications at single-axis leveling systems.

LFK Systems

The air suspension compressors are also available as an assembly with individual developed system components such as:

Bracket mounting kit
Air intake system
Pipe system
Valve block connection

Technical data LFK

Compressor type	LFK11-0.7 (MP) 10 LFK12-0.7 (MP)	LFK17.5-0.7 (MP)	LFK21-0.7 (HP)	LFK21-3 (HP)	LFK EK13-0.7 (MP)
Design	Maintenance-free compressor, dry running meter, with permanently excited DC motor

Design concept	two-stage				single-stage

Electrical data for motor (compressor)

Operating voltage range	9-16V DC

Max. power input	350W		455W		260W

Peak starting current (RT)	lmax <90A for 50ms at 11bar back-pressure	lmax <90A for 50ms at 17bar back-pressure	lmax <110A for 200ms at 17bar back-pressure		lmax <90A for 50ms at 11bar back-pressure

Max. continous current (RT)	<27A	<35A			<30A

Absolute running time	</=200 sec.

Relative duty ratio	20% at 10 min. cycle (RT and 10 bar back-pressure)		25% at 10 min. cycle (RT and 10 bar back-pressure)		18% at 10 min. cycle (RT and 10 bar back-pressure)

IP degree of protection	IP6K6/IP6K7K with contacts attached

Ambiente temperature for operating	-40°C to 80°C (t<3 min. = 100°C)

Dimensional and functional stability	110°C for 1h

Pneumatics

Pressure control (integrated)	11+3bar (12+3bar)	17.5 + 3.5bar	21+3bar		13+3bar

Remain holding pressure (integrated)	< 1bar

Volume intime (RT)	0-10bar in 1l (reservoir) in approx. 25 sec. or 0-10bar in 3.7l in max. 92 sec.	0-17bar in 1l (reservoir) in approx. 45 sec. or 0-17bar in 3.7l in max. 165 sec.	0-17bar in 1l (reservoir) in approx. 40 sec. or 0-17bar in 3.7l in max. 135 sec.		0-10bar in 1l (reservoir) in approx. 25 sec. or 0-10bar in 3.7l in max. 92 sec.

Quick Release	No			Yes	No

Venting time	10-5bar in 30 sec. from 3.7l (reservoir)			17-5bar in 7.5 sec. from 10l (reservoir)	10-5bar in 30 sec. from 3.7l (reservoir)

Other

Mounting position	Horizontal motor axle

Weight	~3550 gr.		~4000 gr.		~2500 gr.

Service life (RT)	240 operating hours (test cycle)	500 operating hours (test cycle)	1000 operating hours (test cycle)		250 operating hours (test cycle)