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Hydraulic Spring Applied Brakes

FS510 Double Acting Low Pressure Hydraulic Spring Applied Brake
FS510D Series Double Acting Hydraulic Spring Applied Brake
Salient Characteristics
400 PSI release pressure | Double Acting Dual Belleville Disc Spring Stack | 3059 lb. Tangential Force at zero friction pad wear | 6798 lb. of Clamping Force | 41,112 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 14.14 sq. in. total friction pad area | Unlimited brake disc diameter


Specifications
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Showing Imperial Measurements - Switch to Metric Measurements
FS38 Series
- Single Belleville Disc Spring Stack | 233 lb. Tangential Force at zero friction pad wear | 1719 in. lbs. F. braking torque using 16 inch disc diameter at maximum tangential force | 2.0 sq. in. total friction pad area | Unlimited disc diameter
FS47 Series
- Single Belleville Disc Spring Stack | 465 lb. Tangential Force at zero friction pad wear | 3315 in. lbs. F. braking torque using 16 inch disc diameter at maximum tangential force | 4.0 sq. in. total friction pad area | 1033 lbs. clamping force | Unlimited disc diameter
FS200 Series
- Dual Belleville Disc Spring Stacks | 929 lb. Tangential Force at zero friction pad wear | 6626 in. lbs. F. braking torque using 16 inch disc diameter at maximum tangential force | 2065 lb. maximum clamping force | 8.19 sq. in. total friction pad area | Up to 16 inch disc diameter
FS210S Series Low Pressure
- 200 PSI release pressure | Single Acting Dual Belleville Disc Spring Stacks | 1,859 lb. Tangential Force at zero friction pad wear | 4,720 lb. of Clamping Force | 26,273 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 8.19 sq. in. total friction pad area | Unlimited brake disc diameter
FS210-EP Extend Friction Pad Series Low Pressure
- 23.89 sq. in. total friction pad area | 200 PSI release pressure | Single Acting Dual Belleville Disc Spring Stacks | 929 lb. Tangential Force at zero friction pad wear | 2064 lb. of Clamping Force | 13,129 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 12 inch minimum brake disc diameter to unlimited.
FS400 Series
- Dual Belleville Disc Spring Stacks | 1859 lb. Tangential Force at zero friction pad wear | 13,260 in. lbs. F. braking torque using 16 inch disc diameter at maximum tangential force | 8.19 sq. in. total friction pad area | 4130 lbs. clamping force | Up to 16 inch disc diameter
FS410S Series Low Pressure
- 288 PSI release pressure | Single Acting Dual Belleville Disc Spring Stacks | 1859 lb. Tangential Force at zero friction pad wear | 4130 lb. of Clamping Force | 26,273 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 8.19 sq. in. total friction pad area | Unlimited brake disc diameter
FS500 Series
- Double Acting Dual Belleville Disc Spring Stacks | Single Acting Single Belleville Disc Spring Stack | 3059 lb. Tangential Force at zero friction pad wear | 6798 lb. of Clamping Force | 41,112 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 14.14 sq. in. total friction pad area | Sized for brake discs ranging from 14 inch diameter to unlimited.
FS510S and FS510D Series Low Pressure
- 300 PSI release pressure | Single Acting Single Belleville Disc Spring Stack or Double Acting Dual Belleville Disc Spring Stacks | 3059 lb. Tangential Force at zero friction pad wear | 6798 lb. of Clamping Force | 41,112 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 14.14 sq. in. total friction pad area | Unlimited brake disc diameter
FS525S and FS525D Series Low Pressure
- 200 PSI release pressure | Single Acting Single Belleville Disc Spring Stack or Double Acting Single Belleville Disc Spring Stack | 3059 lb. Tangential Force at zero friction pad wear | 6798 lb. of Clamping Force | 41,112 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 14.14 sq. in. total friction pad area | Sized for brake discs ranging from 14 inch diameter to unlimited.
FS541 Series Dual Bore, Low Pressure
- 300 PSI release pressure | Single Acting Dual Belleville Disc Spring Stack | 6,419 lb. Tangential Force at zero friction pad wear | 14,264 lb. of Clamping Force | 83,659 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 28.12 sq. in. total friction pad area | Sized for brake discs ranging from 16 inch diameter to unlimited.
FS580 Series Dual Bore, Low Pressure
- 800 PSI release pressure | Single Acting Dual Belleville Disc Spring Stack | 6,419 lb. Tangential Force at zero friction pad wear | 14,264 lb. of Clamping Force | 83,659 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 28.12 sq. in. total friction pad area | Sized for brake discs ranging from 16 inch diameter to unlimited.
FS581 Series Dual Bore
- 1500 PSI release pressure | Single Acting Dual Belleville Disc Spring Stack | 6,419 lb. Tangential Force at zero friction pad wear | 14,264 lb. of Clamping Force | 83,659 in. lbs. F. braking torque using 30 inch disc diameter at maximum tangential force | 28.12 sq. in. total friction pad area | Sized for brake discs ranging from 16 inch diameter to unlimited.
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.
Showing Metric Measurements - Switch to Imperial Measurements
FS38 Series
- Single Belleville Disc Spring Stack | 1036 N. Tangential Force at zero friction pad wear | 194 Nm. braking torque using 406 mm. disc diameter at maximum tangential force | 12.90 sq.cm. total friction pad area | Unlimited disc diameter
FS47 Series
- Single Belleville Disc Spring Stack | 2068 N. Tangential Force at zero friction pad wear | 397 Nm. braking torque using 406 mm. disc diameter at maximum tangential force | 25.80 sq.cm. total friction pad area | 4592 N. clamping force | Unlimited disc diameter
FS200 Series
- Dual Belleville Disc Spring Stacks | 4132 N. Tangential Force at zero friction pad wear | 749 Nm. braking torque using 406 mm. disc diameter at maximum tangential force | 9186 N. maximum clamping force | 52.84 sq.cm. total friction pad area | Up to 406 mm disc diameter
FS210S Series Low Pressure
- 14 bar release pressure | Single Acting Dual Belleville Disc Spring Stacks | 4132 N. Tangential Force at zero friction pad wear | 9181 N. of Clamping Force | 1483 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 52.84 sq.cm. total friction pad area | Unlimited brake disc diameter
FS210-EP Extend Friction Pad Series Low Pressure
- 14 bar release pressure | Single Acting Dual Belleville Disc Spring Stacks | 4132 N. Tangential Force at zero friction pad wear | 9181 N. of Clamping Force | 1483 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 154.13 sq.cm. total friction pad area | 305 mm. minimum brake disc diameter to unlimited.
FS400 Series
- Dual Belleville Disc Spring Stacks | 8269 N. Tangential Force at zero friction pad wear | 1498 Nm. braking torque using 406mm. disc diameter at maximum tangential force | 52.84 sq. cm. total friction pad area | 18371 N. clamping force | Up to 406 mm. disc diameter
FS410S Series Low Pressure
- 20 bar release pressure | Single Acting Dual Belleville Disc Spring Stacks | 8269 N. Tangential Force at zero friction pad wear | 18,371 N. of Clamping Force | 2968 Nm. braking torque using 762 mm. inch disc diameter at maximum tangential force | 52.84 sq.cm. total friction pad area | Unlimited brake disc diameter
FS500 Series
- Double Acting Dual Belleville Disc Spring Stacks | Single Acting Single Belleville Disc Spring Stack | 13,607 N. Tangential Force at zero friction pad wear | 30,239 N. of Clamping Force | 4645 Nm. braking torque using 764 mm. inch disc diameter at maximum tangential force | 91.23 sq.cm. total friction pad area | Sized for brake discs ranging from 356 mm. diameter to unlimited.
FS510S and FS510D Series Low Pressure
- 28 bar release pressure | Single Acting Single Belleville Disc Spring Stack or Double Acting Dual Belleville Disc Spring Stacks | 13,607 N. Tangential Force at zero friction pad wear | 30,239 N. of Clamping Force | 4645 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 91.23 sq.cm. total friction pad area | Unlimited brake disc diameter
FS525S and FS525D Series Low Pressure
- 14 bar release pressure | Single Acting Single Belleville Disc Spring Stack or Double Acting Single Belleville Disc Spring Stack | 13,607 N. Tangential Force at zero friction pad wear | 30,239 N. of Clamping Force | 4645 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 91.23 sq.cm. total friction pad area | Sized for brake discs ranging from 356 mm. diameter to unlimited.
FS541 Series Dual Bore, Low Pressure
- 20 bar release pressure | Single Acting Dual Belleville Disc Spring Stack | 28,565 N. Tangential Force at zero friction pad wear | 63,475 N. of Clamping Force | 9453 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 181.42 sq.cm. total friction pad area | Sized for brake discs ranging from 406 mm. diameter to unlimited.
FS580 Series Dual Bore, Low Pressure
- 55 bar release pressure | Single Acting Dual Belleville Disc Spring Stack | 28,565 N. Tangential Force at zero friction pad wear | 63,475 N. of Clamping Force | 9453 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 181.42 sq.cm. total friction pad area | Sized for brake discs ranging from 406 mm. diameter to unlimited.
FS581 Series Dual Bore
- 103 bar release pressure | Single Acting Dual Belleville Disc Spring Stack | 28,565 N. Tangential Force at zero friction pad wear | 63,475 N. of Clamping Force | 9453 Nm. braking torque using 762 mm. disc diameter at maximum tangential force | 181.42 sq.cm. total friction pad area | Sized for brake discs ranging from 406 mm. diameter to unlimited.
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.
Choose from:
All,
FS38,
FS47,
FS200,
FS200FUL,
FS200UL,
FS210 Low Pressure,
FS210EP Low Pressure,
FS400,
FS400FUL,
FS400UL,
FS410 Low Pressure,
FS410EP Low Pressure,
FS500S,
FS500D,
FS510 Low Pressure,
FS510D Low Pressure,
FS525D Low Pressure,
FS525S Low Pressure,
FS541S Low Pressure Dual Bore,
FS580S Dual Bore,
FS580S-QC Dual Bore,
FS581 Dual Bore or
FS585S-QC Dual Bore
Series
Products Available - FS510D Low Pressure Series
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Product # |
Name |
Description |
Additional Info |
Disc Thick. (in.) |
Tangential Force |
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4006-0035 |
FS510DB |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
1/4 |
3059 lbf, 13,607 N |
 |
4006-0036 |
FS510DL |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
3/8 |
3059 lbf, 13,607 N |
 |
4006-0037 |
FS510DE |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
1/2 |
3059 lbf, 13,607 N |
 |
4006-0038 |
FS510DJ |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
5/8 |
3059 lbf, 13,607 N |
 |
4006-0039 |
FS510DT |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
3/4 |
3059 lbf, 13,607 N |
 |
4006-0040 |
FS510DO |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
1.0 |
3059 lbf, 13,607 N |
 |
4006-0041 |
FS510DQ |
Double Acting. Fixed Mount. Use Fixed or Floating Disc |
Dual Pistons. Spring Applied 400 PSI Release |
1-1/8 |
3059 lbf, 13,607 N |
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