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PFS522ST Spring Applied Caliper Disc Brake
Attributes |
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522 series, pneumatic spring applied, single acting caliper disc brake sized for 3/4 inch thick brake disc.
- 85 PSI Retractable Release Pressure
- Aluminum Construction
- Hardcoated
- 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
Pre-Production Status - Please Consult Factory For Availability.
Attributes
| Description |
Single Acting, Floating Mount. Use Fixed Disc |
| Additional Info |
Dual Pistons. Spring Applied 85 PSI Rel. |
| Disc Thick. (in.) |
3/4 |
| Fluid Type |
Air |
| Max. Pressure, PSI |
100 |
| Seals |
Buna-N |
| Wearable Friction Material |
24.0 cu. in. |
| Piston Dia. |
10.25 in. |
| Total Pad Area |
47 sq. in. |
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Options
Viton® Seals | Spacers for other disc thicknesses including metric are available.
Downloads
| Product Number |
Product Name |
Description |
Additional Info |
Disc Thick. (in.) |
Fluid Type |
| 4252-0070 |
PFS522SE |
Single Acting, Floating Mount. Use Fixed Disc |
Dual Pistons. Spring Applied 85 PSI Rel. |
1/2 |
Air |
| 4252-0071 |
PFS522SJ |
Single Acting, Floating Mount. Use Fixed Disc |
Dual Pistons. Spring Applied 85 PSI Rel. |
5/8 |
Air |
| 4252-0073 |
PFS522SO |
Single Acting, Floating Mount. Use Fixed Disc |
Dual Pistons. Spring Applied 85 PSI Rel. |
1.0 |
Air |
| 4252-0074 |
PFS522SQ |
Single Acting, Floating Mount. Use Fixed Disc |
Dual Pistons. Spring Applied 85 PSI Rel. |
1-1/8 |
Air |
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