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Explanation: ili: "ventil sigurnosti sa punim hodom" - znači da se nekom određenom tlaku ventil 100% otvara
safety valve > ventil sigurnosti
lift of a valve > hod ventila
(Milićević J., Rečnik mainske tehnike, Beograd, 1991.)
"...23 different safety valve series available in a variety of materials and sizes. Models are presented for "providing safe solutions for almost every industrial application." Among highlights are full lift safety valves with flanged connections, high-pressure types, those according to API 526, relief and safety relief designs with threaded connections, clean service versions, and models for critical service conditions."
"In general, relief valves in vapor service will achieve full lift by the time they reach 10% overpressure...
The only times I'm aware that this may not hold true is for some relief valves used in liquid service are not certified to 10% overpressure and require 25% overpressure for full lift. Also, conservation vent style relief devices for storage tanks typically do not achieve full lift until reaching 100% overpressure."
"Discharge coefficient in back pressure conditions.
When the back pressure exceeds 25% of the full lift pressure, the manufacturer must obtain valve discharge coefficients after tests carried out in actual backpressure conditions."
V&M Stanković Serbia Local time: 05:42 Specializes in field Native speaker of: Serbian, Serbo-Croat PRO pts in category: 88