Air Conditioning Corporation

Floyd W Carmichael

An improvement in a high pressure condensate return unit and a method of using such a unit are disclosed. In a high pressure condensate return vessel of the type which includes a receiver portion and a deaeration portion for separating non-condensible gases from the steam condensate for venting from the vessel, the improvement includes a throttle valve responsive to the level of condensate within the vessel for controlling the amount of condensate returned directly to a steam boiler or recirculated to the interior of the unit. When fully open, the throttle valve substantially causes all of the condensate pumped from the outlet of the vessel to be returned to the vessel for deaeration, whereas when the throttle valve is fully closed, all of the condensate is provided directly to the boiler.

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Greensboro, NC, United States of America

Floyd W Carmichael