The HANBELL RG series open-type screw compressor is developed especially for ammonia application. HFC and HCFC refrigerants can also be used with RG series compressor without any problem. When other gases are used, customer should consult Hanbell in advance to ensure the proper usage and compressor warranty. With built-in high operating load design and advanced 5 to 6 Patented Screw Rotor Profile, RG compressors lead high efficiency and reliability in all operating condition. All compressors are carefully manufactured and inspected by highly precise THREAD SCREW ROTOR GRINDING MACHINE, CNC MACHINING CENTER, and 3D COORDINATE MEASURING MACHINE. Also HANBELL is in conformance to ISO 9001 standard, which means the fabrication is controlled under quality procedures and Hanbell is capable to provide fine service to customers.