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P491DE
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491 series, pneumatic double acting caliper disc brake sized for 1/2 inch thick brake disc.
- Aluminum Construction
- Hardcoated
- Fits on Brake Discs with Unlimited Diameter
- Replaceable Friction Pads (WCB p/n 4000-1014)
- Internal crossover porting
- Dynamic torque (inch/lb): 353.5 lbf per 100 psi x braking radius
- Parking/static torque (inch/lb): 211 lbf per 100 psi x braking radius
- Power Factor: 491 Series 5X, 38 Series 1X, 47 Series 2X, 200 Series 4X, 962 Series 10X
Attributes
| Description |
Double Acting, Fixed Mount. Use Fixed or Floating Disc |
| Additional Info |
Dual Non-Retractable Pistons |
| Disc Thick. (in.) |
1/2 |
| Fluid Type |
Air |
| Max. Pressure, PSI |
200 |
| Seals |
Buna-N |
| Wearable Friction Material |
3.80 cu. in. |
| Piston Dia. |
2.5 In. |
| Total Pad Area |
9.14 sq. in. |
| Fluid Displacement |
0.147 cu. in. |
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| Product Number |
Product Name |
Description |
Additional Info |
Disc Thick. (in.) |
Fluid Type |
| 4251-0012 |
P491DB |
Double Acting, Fixed Mount. Use Fixed or Floating Disc |
Dual Non-Retractable Pistons |
1/4 |
Air |
| 4251-0014 |
P491DT |
Double Acting, Fixed Mount. Use Fixed or Floating Disc |
Dual Non-Retractable Pistons |
3/4 |
Air |
| 4251-0015 |
P491DO |
Double Acting, Fixed Mount. Use Fixed or Floating Disc |
Dual Non-Retractable Pistons |
1.0 |
Air |
| 4251-0016 |
P491DQ |
Double Acting, Fixed Mount. Use Fixed or Floating Disc |
Dual Non-Retractable Pistons |
1-1/8 |
Air |
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