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FA-2725FB/FA-2725FD/FWM-2725FBD

Adjustable Shock Absorber

FA-2725FB-FA-2725FD-FWM-2725FBD Series
Bansbachs industrial shock absorbers are a superior alternative to coil springs or rubber bump stops for energy absorption and linear deceleration. We offer many different models from mild to extreme. Our shock absorbers are the perfect solution for a wide range of applications, from a simple cabinet door, to the corrosive environments of the medical field, or the extreme environment of industrial machine equipment. Bansbach shock absorbers are designed to absorb the impact with no bounce back. This steady, gradual deceleration allows faster cycle rates, increased equipment life, and higher production rates while reducing maintenance expenses.
Specifications
Model Stroke mm Max. absorption energy J (kgfm) Max. equivalent mass kg (kgf) Range of impact rate m/s Orifice type
FA-2725FB-S/C 25 79.3 (8.1) 650 (650) 0.3~1 Single-orifice type
FA-2725FD-S/C 300 (300) 0.7~3 Multiple-orifice type
FWM-2725FBD-S/C 450 (450) 0.3~2 Multiple-varying orifice type
Common Specifications
Max. drag N (kgf) 6370 (650)
Max. cycle rate cycle/min 60
Max. absorption energy per minute J/min (kgfm/min) 539 (55)
Recovering power of the piston rod N (kgf) 27.3 (2.78) or lower
Operating temperature °C -5 ~ 70
Mass: S type g 411
Mass: C type g 460
Absorption characteristics
Model Orifice type Application Absorption
FA-2725FB series Single orifice For low speed Absorption characteristics
FA-2725FD series Multiple-varying orifice For medium speed Absorption characteristics
FWM-2725FBD series Multiple-orifice For high-speed Absorption characteristics
Optional parts
Eccentric angle adaptor OP-010FB Stopper nut OP-020FB Liquid-proof cap
Eccentric angle adaptor OP-010FB Stopper nut OP-020FB Liquid-proof cap
Square flange OP-040FB Holder with a switch OP-030FB
Square flange OP-040FB Holder with a switch OP-030FB
Precautions for Use
* Do not use this product without carefully reading the attached owner's manual.
* Ensure that an external stopper (Stopper nut OP-020FB) is also used.
* Do not turn the oil inlet screw located at the bottom of the main unit.
* Ensure that sufficient mounting strength is secured for this product.
(As a guideline, it should be 2 to 3 times the maximum drag listed in the catalogue.)
* Do not use this product in a vacuum or a location where it may come in contact with oil.
* Ensure that an eccentric load is not applied to the soft absorber. (Allowable eccentric angle: within ±2.5°)