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  1. Lozzi70

    Self activating relief valve installed on a gate valve set pressure

    Many thanks for your help, VRF!
  2. Lozzi70

    Self activating relief valve installed on a gate valve set pressure

    Thanks VRF, one example: gate valve DN 100, pressure class: 1500, flexible wedge, pressure seal, design according EN 12516-1, body material: GP240GH, seat material: P245GH hardfaced, disc material: GP240GH hardfaced, stem material: X12Cr13. Working pressure: 139.4 bar Design pressure: 148.3 bar
  3. Lozzi70

    Self activating relief valve installed on a gate valve set pressure

    Thanks, valvesarefun. You got the point, the valve user is trying to prevent over pressure in the body cavity of a gate valve by setting up a self activating relief valve. The problem now is that the valve user doesn't know how to choose the value of the relief pressure, and he's asking the...
  4. Lozzi70

    Self activating relief valve installed on a gate valve set pressure

    Dear all, a gate valves user decided to approach the body cavity ovrepressure issue by means of a self activating relief valve installed on the valve body cavity (and not by means of equalization external line or hole in the valve disc). This situation involves a series of valve, with different...

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