Extended Stall Calculator now on TLV website
TLV HAS released its Extended Stall Chart Calculator (ESC) on its company website.
The ESC was first released in Chemical Engineering magazine, November 2004, and republished in Chemical Engineering Progress magazine, July 2021.
The ESC charts the estimated pressure profile supplied by an inlet steam control valve to estimate the demand load percentage where the HX equipment outlet pressure is equal to the system back pressure.
That intersection is the Stall Point upon which either sufficient fill head over a trap is needed to discharge condensate, or a pump or pump/trap system is needed to discharge condensate into a pressurised return line or lift.
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