[PSUBS-MAILIST] MBTs

[vbra676539@aol.com]

My Discharge lines to the MBTs have external check valves. This is 
important, especially on a K, as it excludes water and lets those 
welded steel nipples stay dry. However,your depth gauge in line will 
only work during ascent as the low-set checks bleed off to ambient plus 
closure tension.
Vance




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