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Machines are air cooled & water cooled.
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Positive displacement machines with constant volume characteristics.
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Effective sealing by mean's of temperature-insensitive labyrinth system for Air Cooled Series. Oil seals are provided in water cooled series.
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Solid, noise absorbing construction in grey cast iron.
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High precision helical timing gears for reliability and long life.
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Suitable for air, town gas, nitrogen, hydrogen, carbon dioxide, inert gases, natural gas etc.