Damper valve is necessary device on vacuum system, which is used to open or shut off the pipeline.
It can protect the vacuum especially when vacuum system stopped suddenly by accident.
EVP can provide two types of damper valve which has a below difference on operation method.
if any question, please contact us with no hesitate.
tags: GDQ-J damper valve, GDQ-J(b) damper valve, other valves
Edited by Shell Hu / EVP Vacuum Solution
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