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TK mystery part
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23rd November 2014, 22:19
G-CPTN
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Join Date: Sep 2008
Location: Tynedale
Age: 79
Posts: 3,698
Looking at your photograph, COV 1 takes pressure from port D and port E (alternatively) and then COV 2 takes pressure from port C and port A (alternatively) and delivers its output to port B.
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