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Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, or deep purple to rusty red. The iron itself is usually found in the form of magnetite, hematite, goethite, limonite or siderite.

The primary use of iron ore is in the production of iron. Most of the iron produced is then used to make� steel.� Steel� is used to make automobiles, locomotives, ships, beams used in buildings, furniture, paper clips, tools, reinforcing rods for� concrete, bicycles, and thousands of other items.

Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, or deep purple to rusty red. The iron itself is usually found in the form of magnetite, hematite, goethite, limonite or siderite. The primary use of iron ore is in the production of iron. Most of the iron produced is then used to make steel. Steel is used to make automobiles, locomotives, ships, beams used in buildings, furniture, paper clips, tools, reinforcing rods for concrete, bicycles, and thousands of other item

Rotary Lube Blower / Vacuum compressor KAESER EB 420 C û 38 m3/min, 53 kPa

There are two identical sets of oil-free, 2 lobe rotary blowers, made by Germand Kaeser Kompressoren GmbH in year 2005 with accessories. Manufactures type is Kaeser ED 420 Compact Omega Pluss 53 and accessories include a control cabinet with two inverters and programmable Kaeser Start Control STC 30 unit, totally 6 preliminary intake air filters and 3 final air intake filters with their steel supports. The rotary blower units have removable sound enclose for noise insulation. Operation of the equipment was stopped in year 2007, total running hours approx 7000 and therefore they are in excellent operational condition. In addition, we can offer you service maintenance by the manufacturer at separate cost.

This equipment is suitable for demanding dust collection and pneumatic transportation of various products due to oil free operation. For pneumatic transport application some changes in filters and other parts are needed.
The rotary lobe has two blower shafts with high efficiency Omega profile in a blower block. The rotary lobe and the block have a very small distance and they are not touching each other's and therefore there is no need for lubrication oil. The rotors are driven by high efficiency electric motor via belt connection and they both are installed on the same base frame. . The inlet and discharge silencers are designed to be effective at all frequencies and are eminently suited to variable speed . Higher rotational blower speeds produce high volumetric efficiencies, which in turn lower discharge temperatures and power consumption. The Compact Range ensures that all serviceable items are accessed from the front panels of enclosures.
The preliminary intake air filters are combination of cyclone and bag filter and it removes most of the dust from inlet air. Fine filter is a combination of cyclone and 138 ceramic fine filters which removes fine dust very effectively.

Technical Data
Manufacture's type: EB 420 Compact Omega plus 53
Manufactured in year: 2005
Suction capacity with max vacuum:38,0 m3/min
Power demand max: 40,3 kW
Rotor's rotation speed 4120 rpm
Max suction vacuum: 0,53 bar (abs.)
Discharge pressure: 1,0 bar (abs.)
Max pressure increase: 470 mbar
Temperature rise max -t: 82 K
Electric motor: 45 kW û 50 Hz / 400/690V û 83/48 A
Electric motor nominal speed:2965 rpm
Protection class: IP 55
Inverters: Mitsubishi FR-F740-01160-EC
Case ventilation fan: 370 W û 50 Hz / 230 / 400V
Weight blower with the case:1120 kg
Blower case main dimensions:1.8 x 1.7 x 1.8 m (K x L x S)
Noise level: 99 dB (A)
Noise level with the case: 84 dB (A).