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Posted by Jeff yob on January 09, 2004 at 05:39:43:
In Reply to: Water problems posted by Gary on November 24, 2003 at 06:38:14:
: Quick Question,
: My heating plant consists of A superior 508HP boiler & two bigelow 304HP boilers, my steam load is approx 8,000lbs/hr @ 98psi. My feed system is a Grundfoss pump set with a cap of 32-97 gal/min. we use a honeywell regulating valve set, and maintain back pressure with a 1-1/4" spence regulating valve. we maintain the press @ 125psi
: the Question is,
: Monday morning i receive my largest load demand. the boilers chug along fine but the feed system cant keep up therfore the boilers go out on low water.
: could my feed system be undersized? or is the key in the back pressure regulator?
Is there any indication of surging or carry over causing premature low water shut down??
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