What is the difference between Blow through and Draw Through Air handling Unit?

Question added by Ravinder Yadav , Sr engineer- marketing , Gulf Business services
Date Posted: 2017/10/23

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by Mohammed Shebl , Contracts Manager , SALFO - Engineering & Management Consultants

the air pressure in coil is Draw-thru is negative compared to external air pressure

and the pressure in Draw-through is positive

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