We had a similar problem with an AGF test & drain and learned that the 175 is
real accurate. It can start releasing pressure at around 155 to 190. We
replaced it with a 190 or 195 psi per their recommendation and the problem was
solved. I think they said the accuracy had to do with the spring and the
concern was not so much with the lower release, but making sure the 175 was
good.
Some of this could be off slightly since I am going from memory of around
18 months ago, and we all know how memories work
Jay Stough
________________________________
From: douglas hicks <[email protected]>
To: [email protected]
Sent: Friday, January 23, 2009 8:42:24 AM
Subject: Re: pressure relief valve
Good morning George. The tag on the pressure relief valve says 175 PSI, I
only saw one part number on the Tyco site. The pressure valve did not look
adjustable.
Douglas Hicks
General Fire Equipment Co of Eastern Oregon, Inc
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