J&E Hall International ... For more than 200 years, J&E Hall International has pioneered the development and application of refrigeration technologies. Today, the company is recognized as a leading manufacturer and after sales provider for refrigeration and air-conditioning products worldwide.

Hall Screw International ... Hall Screw compressors have been manufactured since 1978 with over 8,000 installed on over 80 countries throughout the world. The Hall Screw is a world leader in compressor design and has gained many outstanding awards.

Long established World-wide Reputation: Key to the international success of the compressor is its outstanding reliability. Only three basic moving parts are involved – a main rotor which meshes with two diametrically opposed star wheels-a geometry which results in balanced compression with no power loss between the rotor and stars and minimum bearing loads.

This single screw positive displacement compressor is designed for compression of most refrigerant gases for industrial refrigeration, (including ammonia gas) air conditioning, heat pump systems.