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china factory 70 deg or 280 deg electric msfd hvac fire damper for air ductwork70℃ or 280℃ electric Fire damper in good quality
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HVAC Rectangular Duct Sealed Air DamperThe air volume damper has the features of simple construction, low leakage, small torque, flexible operation, corrosion resistance.
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Hvac Round electric air damperIt is installed in Chiller room and interlocked with axial fan.In Summer,when the axial fans are running,the damper are also running to exhaust the air produced by chillers;in Winter,the axial fan don't run ,and the dampers also stay closed to keep the temperature insides.
Our Products
Xiamen ZhongXingLong Air Conditioning Equipment Co.,Ltd is a professional manufacturer of HVAC products including air grilles,air diffusers,air damper,HVAC air filter,air ducts and fittings.We own more than 20 years' experience in this field and we can supply all series of products in the air conditioning systems ,any products can be customized as your requirement.