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• Screw Compressors VR

Aerzen Screw Compressors VR for process gas technology in modular system single- and multi-stage for dry compression of process gases, e.g. lime-kiln gas, coke oven gas, hydrocarbon combinations, hydrogen. The Screw Compressor stage is available in 13 sizes with swept volume flows from 600 m³/h to 120.000 m³/h. Differential pressures between 7 and 12 bar are standard at single-stage compression. With multi-stage design discharge pressures of 25 bar and 40 bar max., but also vacuums lower Pe –0,9 bar are achieved.

The maximum (1350 mm) and the minimum rotor length (155 mm) give an impression of the entire breadth of the offer. For the adjustment to the different process gases, rotors made of steel or special steel and casing of nodular cast iron, steel- or special steel casting can be applied.

Type of construction Screw Compressors Volume flow approx. 600 - 120.000 m³/h Size 13 Medium process gases Compression oil-free Pressure operation overpressure single-stage up to pe = 3,5 bar; overpressure multistage up to pe = 40 bar; negative pressure up to 0,9 bar Suction operation

The unit design can be effected acc. to the following guidelines:

• DIN / EURO standards
• NACE
• AD-regulations
• TEMA - standard
• ASME VIII Div. 1, incl. U-stamp
• API-guidelines

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