FS581

Dual Bore Hydraulic Spring Applied Brake

Salient Characteristics

  • 1500 PSI release pressure | Single Acting Dual Belleville Disc Spring Stack | 6,419 lb. Tangential Force at zero friction pad wear | 14,264 lb. of Clamping Force | 83,659 in. lbs. F. braking torque using 30-inch disc diameter at maximum tangential force | 28.12 sq. in. total friction pad area | Sized for brake discs ranging from 16-inch diameter to unlimited.

Engineering note: Spring applied brakes are intended for use as an emergency stop or static holding device. It is not suggested to use in continuous slip applications as torque capacity is directly related to friction pad wear. Consult Factory.

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FS581S Dual Bore Series

Product # Model # Description Additional Info Disc Thick. (in.) Tangential Force Unit Weight (lb.)/(kg.)  
4006-0058 FS581SB Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 1/4 6419 lbf, 28,565 N 27.8 / 12.64
4006-0059 FS581SL Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 3/8 6419 lbf, 28,565 N 27.8 / 12.64
4006-0060 FS581SE Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 1/2 6419 lbf, 28,565 N 27.8 / 12.64
4006-0061 FS581SJ Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 5/8 6419 lbf, 28,565 N 27.8 / 12.64
4006-0062 FS581ST Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 3/4 6419 lbf, 28,565 N 27.8 / 12.64
4006-0063 FS581SO Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 1.0 6419 lbf, 28,565 N 28.2 / 12.82
4006-0064 FS581SQ Single Acting, Floating Mount. Use Fixed Disc Dual Piston. Spring Applied 1500 PSI Release 1-1/8 6419 lbf, 28,565 N 28.2 / 12.82

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