How Do Sprinkler Valves Work Rain Bird Irrigation

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Bladder Expansion Tanks, often referred to as Bladder Tanks, or BET's are tanks designed to mitigate liquid expansion within a closed circuit. Heat is one of the major causes of fluid expansion. • • Young Engineering's UL approved Bladder Expansion Tanks are designed for the fire protection industry to protect anti-freeze sprinkler systems from the damaging effects of thermal expansion. On systems that utilize backflow preventors, over-pressure problems can occur when temperature variation (excessive heat) causes the antifreeze within the sprinkler lines to expand resulting in component damage. This over-pressurization can be alleviated with Young Engineering industrial-quality Bladder Expansion Tanks which absorb the expanding fluid, thereby controlling the pressure to a safe level. • • The National Fire Protection Association (NFPA 13) requires the use of expansion chambers in antifreeze systems which use backflow preventors. • • Click over to http://www.youngeng.com to view Young Engineering's full line of bladder expansion tanks. • • Copyright Young Engineering Manufacturing, Inc. 2021 Worldwide

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