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Thread: B737 Dual Bleed Light
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Old 2nd Oct 2003, 20:53
  #16 (permalink)  
avioniker
 
Join Date: May 2002
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The high stage valve should never "pop" open. However should it open abruptly at an inappropriate time a duct rupture would be the result. That's why the 110psi close control. It provides a positive force to prevent such an occurance.
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