ALCO

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Flow Controls, a part of the Emerson Climate Technologies business segment, was established back in the days when ammonia and carbon dioxide were almost the only refrigerants used – long before air conditioning had become an important part of the refrigeration industry. That is when the Alco Valve Company was pioneering the control of refrigerant flow.

The only ALCO product at that time was an automatic constant pressure expansion valve for ammonia. This first valve was a great step forward in refrigerant flow – it eliminated the need for constant personal attention on refrigerating systems.

 
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