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Posted by reidar on March 06, 2002 at 19:56:23:
In Reply to: Re: pressure reducing valve posted by Harold Kestenholz - hydronic.net on February 22, 2002 at 10:25:44:
I worked a long shift, so I'm sorry if I miss anything.
You will need pipe =], unions so you would be able to take the PRV out of service. Some stop valves for isolating. (ball valves for quick opening) A method of piping a bypass in case the PRV is out of service. Also a relief valve after the pressure reduction, in case the PRV fails. This would also relate to the bypass.
I hope this helped you out
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