Fitters Notes Series: Four-Way Reversing Valves
21 April 2009
This type of valve is used to completely reverse the flow in a reversible system. Such valves may be used when both heating and cooling modes are required, or to provide an effective, energy-efficient defrosting method.
Useful practical tips for the everyday work of fitters is provided in the “Fitters Notes” series. The “Fitters Notes” series is based on the handbook of the same name produced by Danfoss, which discusses the basic principles of commercial refrigeration systems and the associated basic components.