How does this solenoid valve on the chiller work?
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This post was last edited by 543323944 on 2017-6-6 23:40. As shown in the image, how does this solenoid valve work?
It says on the label that it’s a solenoid valve, and there’s a spring inside it
The opening and closing of the solenoid valve is used to control the opening and closing of the expansion valve.
Pneumatic valve, used in explosion-proof areas
This post was last edited by jh_maof on 2018-3-2 01:33. For the specific principle of the electronic expansion valve in economizers, you can search on Baidu