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Trip & Throttle Valve Overhaul Frequency

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NWH

Mechanical
Joined
Apr 19, 2017
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3
Location
US
I am looking for feedback from users on frequency of preventative overhaul of TTVs (Gimpel and others). Manufacturer recommendation is for overhaul on ~5yr interval, to ensure valve condition will allow function if required to trip machine. Are you performing overhaul on this interval?
 
yes , you can increase it to 6 or 7 years, this depends on the reliability and RCA of past failure.
 
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