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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.
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Rectangular Automatic Opposed Blade Air Volume Control Valve Damper
brand:
XMZXL
Rectangular Automatic Opposed Blade Air Volume Control Valve Damper
STRUCTURE:
* The blade is made of high-strength aluminum alloy of wing-shaped profiles. The frame is made of high-strength aluminum alloy profiles. It is elegant appearance and good anti-corrosion.
* Engineering plastic gear is used for twirling among blades, and it is anti-corrosion and wear-resistant.
* The seal of damper is with temperature-resisting rubber, so it is low leakage.
* The effective height of damper should be increased and/or decreased according to the blade modules,
which is 100*N+10 mm (N is the number of blade).
* Driving mode: manual and motor-driven.
* Working environment temperature: -40 Degre~80Degre.
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HAVC project rectangular aluminum electric volume control air damper
Pressure relief dampers for ventilation
Use for regulate pressure in cleanroom Control air mixing rate Maintain positive pressure Flexible rotation Save engery
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china factory 70 deg or 280 deg electric msfd hvac fire damper for air ductwork
70℃ or 280℃ electric Fire damper in good quality
Aluminum air opposed volume control blade Damper
1. It can be used to adjust the air distribution of the air condition system. 2. It adopts the means of linkage between the blades. The ventilating areas can be changed by pulling the valve plate.