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Safety valve: free flow, controlled flow.

[In Italian. / En italien.]

Author(s) : OSNAGHI C., RONDINELLA G.

Type of article: Article

Summary

At present safety valves are often designed for operation with back-pressure. In common safety valves, the back-pressure reduces the force operated by the fluid on the plate and therefore the valve lift and the flow rate. Test results have confirmed that outside a certain back-pressure value, valve lift instability phenomena occur, which are particularly dangerous for the safety of the devices.

Details

  • Original title: [In Italian. / En italien.]
  • Record ID : 1994-0222
  • Languages: Italian
  • Source: Termotecnica - vol. 47 - n. 3
  • Publication date: 1993/03
  • Document available for consultation in the library of the IIR headquarters only.

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