Results for3a micro switch motorized modulating dampersfrom 2 Products.
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Fire Damper * Manual control type * Normally open, the valve will close after the break-down of fuse when the temperature reaches high degrees , stop the smoke to extend along the ...
china
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Fire Damper * Manual control type * Normally open, the valve will close after the break-down of fuse when the temperature reaches high degrees , stop the smoke to extend along the ...
china
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