For application in HVAC systems, butterfly valves are recommended as shut off valve in closed water circulating piping system,  e.g chillers, pumps, AHUs, cooling towers, etc. Worm gear type is recommended for above DN150 (6″).  

♦ Easy installation and operation

♦ High strength, low pressure drop  

♦ Tight shut-off design

♦ Excellent corrosion resistance

♦ Wafer connection for wide adaptability with various flange standards

♦ Structure: 

♦ Pressure rating: 10, 16, 25 bar

♦ Testing pressure: 130% of pressure rating 

♦ Working temperature: -20℃ to 110℃

♦ Suitable fluid: water, oil and gas

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