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FDT-47A/FDN-47A Series [Two-Way] [One-Way]

FDT-47A/FDN-47A Series [Two-Way] [One-Way]

This disc damper has high torque, a thin, space saving shape, and its appearance is metallic. This small damper is available in 2 types of torque, one that works in both directions and the other in one direction.

· The torque of the disc damper changes according to the rotation speed.
· Generally, the torque increases as the rotation speed increases, and decreases as the rotation speed decreases.
· Regarding the torque value of the catalog, 20rpm is the torque value at the time of rotation.
· When using the rotational fall of the cover, the rotation speed is slow at the initial stage of dropping and only torque less than the rated torque value is generated.
· The damper torque value (catalog rated torque value) varies according to the operating environment temperature.
· The torque decreases as the temperature rises, and rises as the temperature decreases.
· The viscosity of the oil inside the damper is affected by the temperature change, hence when the temperature returns to normal the torque also returns to the original value


Japanese Only

Part Number

Configured Part Number is shown.

Part Number
Part NumberVolume DiscountDays to ShipRoHSRated Torque
Direction of Torque Mounted Shaft Shape Type
6 Day(s) or more 101Counterclockwise DirectionRound-shaped type
12 Day(s) or more 101.6Counterclockwise DirectionRound-shaped type
6 Day(s) or more 102Counterclockwise DirectionRound-shaped type
6 Day(s) or more 101ClockwiseRound-shaped type
12 Day(s) or more 101.6ClockwiseRound-shaped type
6 Day(s) or more 102ClockwiseRound-shaped type
6 Day(s) or more 101BidirectionalSquare Type
6 Day(s) or more 101.6BidirectionalSquare Type
6 Day(s) or more 102BidirectionalSquare Type


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Basic Information

Main Body Type Rotary Type Length L(mm) 65 Operating Environment Standard
Body Material Steel Additional Function With Damper Opening Angle θ(deg) 360
Mounting Method Screw

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