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Pneumatic Spring Applied Brakes


PFS522 Pneumatic Spring Applied Brake

PFS522 Pneumatic Spring Applied Brake

PFS522 Series Pneumatic Spring Applied Brake

Salient Characteristics

  • 85 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 | 12,236 lb. Maximum Tangential Force | 220,651 in. lbs. F using 40 inch Disc Diameter | 27,192 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 - PFS522 Series

  Product # Name Description Additional Info Disc Thick. (in.) Tangential Force
NEW! 4252-0080 PFS522SE Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 85 PSI Rel. 1/2 12236 lbf, 54428 N
NEW! 4252-0081 PFS522SJ Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 85 PSI Rel. 5/8 12236 lbf, 54428 N
NEW! 4252-0082 PFS522ST Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 85 PSI Rel. 3/4 12236 lbf, 54428 N
NEW! 4252-0083 PFS522SO Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 85 PSI Rel. 1.0 12236 lbf, 54428 N
NEW! 4252-0084 PFS522SQ Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 85 PSI Rel. 1-1/8 12236 lbf, 54428 N
 
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