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Common Questions & Technical Insights What is the resistance value at freezing
Industrial Build Quality: Features ball bearings for reduced friction and heat dissipation in demanding duty cycles
It will close the circuit automatically once the system pressure equalizes below the 425 PSIG reset threshold
while the 3-8" w
beaded neoprene diaphragm for extended service life and simplified rebuilds
Belimo F680HD Valve Assembly L99H008 Common Questions & Technical InsightsThe 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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