Butterfly 120 mm 80 mm Manual Valve
Description
to assemble this duct valve, you need: M2.5x6 to joint the two parts of valve whit main shaft Use a M3xX screws, or a screwed rod inside the main shaft to fix on place, and increase they strength The joints whit fan, are 4.5mm Holes 2020/03/12 add 80mm variation. same lever, same screws 2020/04/03 As expected the lever mechanism works, but needs more strength to manage correctly high air flows. Working on. 2020/04/04 high performance shaft for the same main body,
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