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1.What is the difference between safety valve and relief
valve?
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Answer Posted / bob mctroy
Hi There,
Safety valves and Relief valves are two types of pressure control valves. Here are some basic differences between safety valves and relief valves.
Safety Valves: This term is used to describe relief device on a compressible fluid or gas filled vessel.
In these valves openings are sudden which triggers when pressure in line reached up to certain limit. These valves open fully.
Relief Valves: This term is used describe the relief device on a liquid filled vessel. In these valves opening of the valves is proportionate to increase in vessel pressure. So unlike safety valves opening is not sudden, rather gradual if pressure is increasing gradually.
Read more about pressure control valves at http://valveslog.tumblr.com/post/79359482311/four-varieties-of-gate-valves-for-industrial
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