Dresser Pressure Relief Valve. A relief valve or pressure relief valve (prv) is a type of safety valve used to control or limit the pressure in a system; For example, a high design pressure may be desirable for mechanical integrity but a psv set at the design pressure may end up with a coincidental temperature that would require the use of exotic materials of.
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This is because the valves work in similar ways except that the pressure sense line feeds from downstream of the. For more information, contact our relief valves manufacturer, generant, today. Unfollow steam pressure relief valve to stop getting updates on your ebay feed. You'll receive email and feed alerts when new items arrive.