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mahvkm

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Please confirm that Partial stroke testing (PST) facility needs to be provided for these valves.
 

emsr2d2

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Please confirm that Partial stroke testing (PST) facility needs to be provided for these valves.

I have no idea about the actual meaning of this (medical?) but:

1) If the acronym is PST (capitals) then the full phrase would be Partial Stroke Testing.

2) The question is whether or not a particular facility is needed, therefore you need an article: "Please confirm that A PST facility......."

3) Valves? Something medical? Heart valves? If so, you do not provide a whole facility for just one person's medical problem. If this relates to one individual case, then I would say "Please confirm that a Partial Stroke Test is required (means the same as "needs to be provided") for/on these valves."
 

Raymott

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Please confirm that Partial stroke testing (PST) facility needs to be provided for these valves.
"ESD valve partial stroke testing (PST) is a method whereby a portion of the valve assembly is tested at a more frequent interval than the full test rate. In simple words: an accelerated (partial) proof test."

http://www.google.com.au/url?sa=t&source=web&ct=res&cd=1&ved=0CBcQFjAA&url=http%3A%2F%2Fwww.isa.org%2FContent%2FMicrosites838%2FSafety_Division%2FHome818%2FISA_2005_Safety_Papers%2FPartial_Stroke_Testing_Implementing_for_the_Right_Reasons.pdf&rct=j&q=partial+stroke+testing+of+valves&ei=dXTuS4_zKY7-sgOS_Nhr&usg=AFQjCNEkIOrwBEqXA9z1RcGzYj-1LkYGwg

Don't capitalise Partial.
Are you asking whether PST needs to be done, or whether a PST facility needs to be available?
If the former:
"Please confirm that partial stroke testing (PST) needs to be provided for these valves."

If the latter, you need to rephrase it:
"Please confirm that a partial stroke testing (PST) facility needs to be available for these valves."
 

stanislaw.masny

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Please confirm that Partial stroke testing (PST) facility needs to be provided for these valves.
Dear mahvkm
PST provide a measure of confidence that the valve is not stuck in one position. But PST is not panacea for failures in safety of related valves.
I think that we need to know, for instance, emergency shut down (ESD),
or, mean time between failure (MTBF).
I understood that you want to know if you need the mentioned facility.
If I am mistaken, please formulate your question again.
Thank you for the question.
Regards. S.M.
 
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