Diff. Press. Bypass valves

kevin coppinger_4 · October 2003

proper way to adjust these valves so as to protect your circulator... there were no instrutions in the box. Its a Wirsbo/danfos diff. P.b. valve. I am using it w/ panel rads and trvs' tia kpc

RB_2 · October 2003

PBV

Kevin,

Do you have it installed as a bypass around the circulator, or inbetween the supply and return of your boiler piping?

John Siegenthaler has written a couple of articles on sizing and selecting PBV's...copy and paste this link into your search engine.

http://www.pmengineer.com/pme/cda/articleinformation/features/bnp__features__item/0,,62071,00+en-uss_01dbc.html

Also, it looks like the valve was purchased from Wirsbo ... I know Tim or Jason would be happy to get you the documentation for the product...their request for information link is:

http://www.wirsbo.com/main.php?pm=1&mm=4&sm=4&pc=common/info_request.php

rb

Diff. Press. Bypass valves

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