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CONFIGURATIONS
Symbols and abbreviations
VPS
main valve V1 -- V2
internal by--pass/
high--low valve Vb
or
internal pilot valve Vp
external pilot valve Vp
vent valve Vv
pressure switch
min or max
Valve Proving System
Closed Position
Indication switch (CPI)
pressure tap
flange with pressure tap
Inlet strainer
17
EN2R--9018 9704R1--NE
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