Instruction ManualAntifreeze valveMODEL:BXFD20ANTIFREEZE VALVEWITH FILTERMax. working pressure:10 barAmbient temperature range:-30–90°COpening temperature:4°CClosing temperature:8°CAccuracy:±2°CConnections:G3/4" or NPT3/4"Body material:BrassThread:Male threadNet weight0.14 KGSGross weight0.15 KGS1.Function:The anti-freeze valve prevents ice build-up in pipe , avoiding possible damage to water storages and pipes in hydraulic, solar and irrigation systems. When below 8? water tempraturer operating is reached, it automatically opens so that a minimum quantity of water may flow toward the drain, e
3/4inch Brass 2 Ways Antifreeze Valve