Details
· Mainly consists of an air chamber、a balance spring、a body、a seat、a valve core
· No need for external energy drive
· Relying on the adjusted medium's own pressure changes to automatically adjust the pressure, differential pressure
· It can be used for pressure and differential pressure control of gases, liquids, and other media with a temperature ≤ 350 ℃
Nominal diameter: DN 15～DN 400
Nominal pressure: PN 16、25、40
Flow characteristic: quick opening
Operating temperature: -40℃～300℃
Seat leakage class: hard seal IV class, soft seal V class
Connection type: flange
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