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Industrial Build Quality: Features ball bearings for reduced friction and heat dissipation in demanding duty cycles
beaded neoprene diaphragm for extended service life and simplified rebuilds
while the 3-8" w
making it an ideal primary limit control for hot water boilers or a secondary cutoff for low-pressure steam units
It will close the circuit automatically once the system pressure equalizes below the 425 PSIG reset threshold
Belimo F680HD Valve Assembly L99H008 Industrial Build Quality: Features ballThe Belimo F680HD Valve Assembly is a high performance 3 inch 2 way butterfly valve engineered for demanding commercial HVACR applications. Built with a robust ductile iron body and a 304 stainless steel disc, this assembly ensures long term reliability in chilled water, hot water, and up to 60% glycol solutions. With a high flow capacity of Cv 302 and a Close Off Pressure (COP) of 200 psi, it provides precise 0% leakage (bubble tight) performance.
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