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From our friends at B&G (Dan H.)

Weezbo
Member Posts: 6,231
B&G has some sharp new products ...might want to think on a few of them...i like the new control ..and it's features...
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Comments
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Bell & Gossett Unveils New DB-Differential Bypass Valve
Morton Grove, Illinois December 29, 2006 - An innovative new Differential Bypass (DB) Valve designed to control excess flow in hydronic systems has been introduced by Bell & Gossett.
When there is a reduction in demand, the new valve acts as a bypass while ensuring adequate flow to the remaining open circuits. Designed to be used in systems where heating loads may be excluded from the circuit as zone valves close, the DB-Differential Bypass Valve also helps reduce velocity noise caused by excess flow through the circuits while maintaining the pump head at a constant value.
Developed for hydronic systems utilizing zone valves, the new valve offers the following features:
* All brass body with non-ferrous internals
* Horizontal or vertical installation
* 3/4" connection
* Maximum working pressure 150 PSIG
* Maximum operating temperature 230 degrees Fahrenheit (110 degrees Celsius)
For more information on the DB-Differential Bypass Valve, visit www.bellgossett.com.
About Bell & Gossett
Bell & Gossett, a unit of ITT Corporation, is a leading manufacturer of centrifugal pumps, hydronic specialties, heat exchangers, condensate handling equipment, and packaged systems for variable and constant speed pumping, heat transfer and pressure boosting. For more information contact Bell & Gossett: 8200 N. Austin Avenue, Morton Grove, IL 60053; phone 847/966-3700; fax 847/966-9052; or visit www.bellgossett.com.Retired and loving it.0 -
We stock B&G Products
They just don't move like they used to. Lot's of dust on the boxes. Grundfos quickly became our best seller, followed by Taco. Glad to see new products...
Rick0
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