50Ton air cooled screw chillers are widely used in industrial cooling water system. 50Ton cooling capacity is 176kw. You can chose water cooled screw chiller or air cooled screw chiller for the 50Ton chiller. The air cooled chiller is easy to install. And equipped with high quality Hanbell screw compressor. Other compressor brand optional. Such as Bitzer screw compressor, Refcomp screw compressor, and Fusheng screw compressor. Controller use Smart Siemens PLC. If you are price-sensitive about water chillers, we can use PUNP controller.