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L.O in L.O out, S.W in, what are these abbreviations? (Ammonia pump)

L.O in L.O out, S.W in, what are these abbreviations? (Ammonia pump)

L.O in L.O out, S.W in, what are these abbreviations? (Ammonia pump)

(OP)
I'm working on a project which involves a high pressure ammonia pump, there are some abbreviations on the drawing that I haven't seen before, what do L.O and SW stand for?
here's the Drawing of the pump I'm talking about.
Thanks in advance.

RE: L.O in L.O out, S.W in, what are these abbreviations? (Ammonia pump)



L.O. In = Lube Oil inlet
L.O. Out = Lube Oil outlet
S.W. In = Seal Water inlet
S.W. Out = Seal Water Outlet
(I assume this pump is in a Water service of some kind, maybe Boiler Feed Water?)

prognosis: Lead or Lag

RE: L.O in L.O out, S.W in, what are these abbreviations? (Ammonia pump)

L.O. : lube oil ?
S.W. : sealing water ?

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