The capillary tube — the simplest of refrigerant controls — is the most popular method for metering refrigerant flow from the condenser to the evaporator in compression-type refrigeration systems.

Capillary tube refrigeration systems are integral components in compact refrigeration and air-conditioning units. These systems utilise a narrow, precisely dimensioned tube to regulate the flow of ...

Editor’s Note: This material was prepared by National Refrigerants Inc. and originally appeared in its Refrigerant Reference Guide 5th Edition. For more information ...