What type of valve should be used for the liquid supply and vapor return pipes in an ammonia-based refrigeration system?
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The company has been using a fluorine-ammonia system before; I’m not very clear about it. Please help me, experts!
For ammonia, use stop valves; the valve material must not be copper or copper alloys
It is generally called an ammonia stop valve, or an ammonia valve. Currently, cast steel is the material that is used most often.
Valves for ammonia are generally bellows-sealed globe valves. Zero internal leakage and zero external leakage are required.
I learned that there’s actually another type of valve designed for ammonia; I hadn’t encountered it before
Select a ammonia shut-off valve of type J41B