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Pneumatic Spring Applied Brakes


PFS520 Pneumatic Spring Applied Brake

PFS520 Pneumatic Spring Applied Brake

PFS520 Series Pneumatic Spring Applied Brake

Salient Characteristics

  • 90 PSI Retractable Release Pressure | Aluminum Construction | Dual Belleville Disc Spring Stacks | Quick Change Pad Feature | Fits on Brake Discs Diameters from 20 inches to Unlimited Diameter | .45 Coefficient of Friction Pad #9511023 | Non-Asbestos Friction Material | Spring Stacks in Parallel | Buna-N Seals | 6,419 lb. Maximum Tangential Force | 110,325 in. lbs. F using 40 inch Disc Diameter | 14,264 lb. Clamping Force
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.

Specifications

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Products Available - PFS520 Series

  Product # Name Description Additional Info Disc Thick. (in.) Tangential Force
NEW! 4252-0093 PFS520SE Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 75 PSI Rel. 1/2 6419 lbf, 28565 N
NEW! 4252-0094 PFS520SJ Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 75 PSI Rel. 5/8 6419 lbf, 28565 N
NEW! 4252-0095 PFS520ST Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 75 PSI Rel. 3/4 6419 lbf, 28565 N
NEW! 4252-0096 PFS520SO Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 75 PSI Rel. 1.0 6419 lbf, 28565 N
NEW! 4252-0097 PFS520SQ Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 75 PSI Rel. 1-1/8 6419 lbf, 28565 N
 
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