Tag Archives for Hot-Gas Defrost

Valves and Controls for Hot-Gas Defrost of Ammonia-Type Evaporators

The following valves and controls are used in the hot-gas defrost systems of ammonia-type evaporators: Hot-gas or pilot-solenoid valve. The valve is a 1/8 in. ported solenoid valve. It is a direct-operated valve suitable as a liquid, suction, hotgas, or … Continue reading

16. January 2011 by admin
Categories: Evaporators | Tags: , , , , , , , , , , , , | Leave a comment

Application of Controls for Hot-Gas Defrost of Ammonia Evaporators

To defrost ammonia evaporators, it is sometimes necessary to check the plumbing arrangement and the valves used to accomplish the task. To enable hot-gas defrost systems to operate successfully, several factors must be considered. There must be an adequate supply … Continue reading

16. January 2011 by admin
Categories: Evaporators | Tags: , | Leave a comment