Which expert can help me take a look?
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Who can help me figure out what kind of valve this is?
It is generally used as a control valve in fire protection water systems for automatic activation based on a set pressure.
Diaphragm valve, the diaphragm drives the valve stem to move.
Could you tell me what those two balance tubes are for?
Diaphragm valve? What is the purpose of those two balance tubes? ? ? ?
I’ve never heard of this valve; I’m not very knowledgeable. May I ask what the purpose of those two balance pipes is? ?
What you’re describing sounds like a self-acting valve