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Pneumatic Spring Applied Brakes


PFS400 Spring Applied Caliper Disc Brake

PFS400 Spring Applied Caliper Disc Brake

PFS400 Series Pneumatic Spring Applied Brake

Salient Characteristics

  • Dual Belleville Disc Spring Stacks | 1859 lb. Tangential Force at zero friction pad wear | 35,568 in. lbs. F. using 40 inch disc diameter at maximum tangential force | 4130 lb. clamping force | 8.19 in. sq. total friction pad area | Unlimited disc diameter
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 - PFS400 Series

  Product # Name Description Additional Info Disc Thick. (in.) Tangential Force
4004-0771 PFS400AF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 5/32 1859 lbf, 8269 N
4004-0772 PFS400BF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 1/4 1859 lbf, 8269 N
4004-0773 PFS400LF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 3/8 1859 lbf, 8269 N
4004-0774 PFS400EF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 1/2 1859 lbf, 8269 N
4004-0775 PFS400HF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 5/8 1859 lbf, 8269 N
4004-0776 PFS400TF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 3/4 1859 lbf, 8269 N
4004-0777 PFS400OF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 1.0 1859 lbf, 8269 N
4004-0778 PFS400QF Single Acting, Floating Mount. Use Fixed Disc Dual Pistons. Spring Applied 100 PSI Rel. 1 1/8 1859 lbf, 8269 N
 
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