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----- Original Message -----
From: "Robinson, Chad" <crobinson@rfgonline.com>
Date: Monday, October 20, 2003 3:19 pm
Subject: [FlyRotary] EWP check valves
IMHO, the standard to beat is McMaster-Carr's 4708K58, a bronze swing-check valve for a 2" pipe rated for 406degF and up to 200PSI. It costs $58.55, and unless somebody points out some problem, will probably be the way I go. It has NPT threads but that should be easy enough to adapt to standard radiator clamps by simply installing the appropriate adapters on each side.
Where did the 2" hose requirement come from? Wasn't Tracy running with 5/8" hose to his radiators? Can we get a survey of working installations to see what size hose is sufficient?
This is a significant issue for me. I'm considering a remotely located radiator. Running 2" hose for 7ft or so is out of the question.
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