LW 720 E

LW 720 E

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The industrial compressor LW 720 E is suitable for breathing air applications and for large capacities. Low speed ensures continuous operation for long service intervals and reduced maintenance costs.
Cat: Compressors, Brand: L&W


SKU: LW720E Category: . Brand: .Want to know more? Contact us
Description

Product Description

The industrial compressor LW 720 E is suitable for breathing air applications and for large capacities. Low speed ensures continuous operation for long service intervals and reduced maintenance costs. The 4-stage compressor block is mounted on a painted steel panel and is designed for maximum operating pressure of 420 bar. The compressor unit comes fully wired with star/delta start system and includes 2x 2.3 litre breathing air filter console for wall mounting.

Specifications

  • Electro motor (Standard: 400V, 3 phase, 50Hz)
  • Painted steel frame (RAL 6026)
  • Painted steel fan guard (RAL 7004)
  • Automatic condensate drain
  • Automatic stop at final pressure
  • Inclusive a remote control box for wall mounting
  • Main-, Start/Stop- and condensate test buttons, as well as emergency stop switch
  • Hour counter
  • Oil pressure gauge
  • Intermediate pressure gauges
  • Oil pressure monitoring c/w auto shut down
  • High pressure outlet 10 l
  • Motor protection switch
  • Pressure maintaining and non return valve
  • All pistons c/w steel piston rings
  • Low pressure oil pump and filter
  • Oil- / Water separators in stainless steel
  • Safety valves after each stage
  • 4 concentric suction/pressure valves
  • Filling pressure of your choice (200 or 300 bar)
  • Inclusive 2 x 2.3 l filter console for wall mounting
  • Breathing air purification in accordance to EN 12021

Options

  • Auto start system
  • Oil temperature display with auto shut down
  • Cylinder head temperature monitoring with auto shut down
  • Puracon filter monitoring (Auto shut down also available)
  • ECC control in remote control box
  • Power cable and plug
  • Block heating device
  • 420 bar Version
  • Special voltages / frequencies on request

Technical Data

LW 720 E
Type:Air cooled piston compressor
Capacity [l/min] / [Nm³/h] / [cfm]:720 / 43.2 / 25.4
Max. Pressure [bar]:350 / 420
RPM [1/min]:1100
No of cylinders / No of stages:4 / 4
Prime mover type:E-Motor / 400V / 3 Phasen / 50 Hz
Drive power [kW] / [HP]:18.5 / 25.0
Cooling air requirement [Nm³/h]:5550
Lubrication type:Oil pump + Splash oil
Oil capacity [l] / Oil pressure [bar]:4.0 / 4.0 (+/- 0.5)
Operating temperature [°C]:+5°C to +45°C
Filter capacity [m³ at +20°C]:2400 (approx. 56 h)
Dimensions L x W x H [cm]:167 x 77 x 117
Weight [kg]:approx. 600
Noise level (measured at 1 m) [dB]:88
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