FA-2540LB/FA-2540LD/FWM-2540LBD Series

FA-2540LB/FA-2540LD/FWM-2540LBD Series

Our standard characteristic adjustable dampers, with an abundance of sizes from compact M8 to large M42 outer screw diameters and variable shock absorbing properties.


Japanese Only

Part Number
Part NumberVolume DiscountDays to ShipRoHSExternal Thread Diameter Orifice Structure Maximum Collision Velocity
Minimum Collision Velocity
Maximum Equivalent Mass
Operating Temperature Range
2 Day(s) or more 10M25Single Orifice10.3500-5~70
2 Day(s) or more 10M25Multi-orifice30.7200-5~70
2 Day(s) or more 10M25Irregular multi orifice20.3350-5~70


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Basic Information

Main Body/Related Parts Main Body Construction Adjustable Type Stroke(mm) 40
Nominal Mounting Screw [M] 25 Max. Absorbed Energy(J) 63.7 Operating Environment Standard
Body Material Steel Full Length(mm) 200.5 Max. Drag Value(N) 3920
Piston Rod Return Force (N)(N) 71.4 Max. Operating Cycle(cycle/min) 60 O.D.(Ø) 25
Allowable Angular Misalignment Degree(deg) 2.5 Maximum absorbed amount of energy per minute(J/min) 637 Cap Available

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