Simplex Cylinders Are Perfect for Heavy Maintenance.

Spring Return Cylinders Features & Benefits
- 13 Models
- High flow quality couplers.
- Collar threads designed for full load.
- Base & piston mountings for easy fixturing.
- Removable load caps for flexibility & safety.
- Stop ring for piston blow-out protection.
- Plated piston to resist scoring & corrosion.
- Large bearings resist side load.
- Rod wiper protects inner cylinder from dirt.


Large steel coils that were damaged in handling are reshaped using a Simplex R256 cylinder and PE70 Series pump.
Spring Return Cylinders 5 & 10 Ton Capacities
| Model Num |
Cap. (tons) |
Stroke (in) |
| R50 | 5 | 5/8 |
| R51 | 5 | 1 |
| R53 | 5 | 3 |
| R55 | 5 | 5 |
| R57 | 5 | 7 |
| R59 | 5 | 9 1/8 |
| R101 | 10 | 1 |
| R102 | 10 | 2 1/8 |
| R104 | 10 | 4 1/8 |
| R106 | 10 | 6 1/8 |
| R108 | 10 | 8 |
| R1010 | 10 | 10 1/8 |
| R1012 | 10 | 12 |
| R1014 | 10 | 14 |
| R152 | 15 | 2 |
| R154 | 15 | 4 |
| R156 | 15 | 6 |
| R1510 | 15 | 10 |
| R1514 | 15 | 14 |
| R251 | 25 | 1 |
| R252 | 25 | 2 |
| R254 | 25 | 4 |
| R256 | 25 | 6 1/4 |
| R258 | 25 | 8 1/4 |
| R2510 | 25 | 10 1/4 |
| R2512 | 25 | 12 1/4 |
| R2514 | 25 | 14 1/4 |
| Model Num |
A Min Ht. (in) |
B Ext. |Ht. (in) |
C Body O.D. (in) |
D Piston O.D. (in) |
| R50 | 1 5/8 | 21/4 | 1.6×2.3 | 1 |
| R51 | 4 11/32 | 5 11/32 | 1 1/2 | 1 |
| R53 | 6 1/2 | 9 1/2 | 1 1/2 | 1 |
| R55 | 8 1/2 | 13 1/2 | 1 1/2 | 1 |
| R57 | 10 5/8 | 17 5/8 | 1 1/2 | 1 |
| R59 | 12 3/4 | 21 7/8 | 1 1/2 | 1 |
| R101 | 3 17/32 | 4 17/32 | 2 1/4 | 1 1/2 |
| R102 | 4 25/32 | 6 29/32 | 2 1/4 | 1 1/2 |
| R104 | 6 3/4 | 10 7/8 | 2 1/4 | 1 1/2 |
| R106 | 9 3/4 | 15 7/8 | 2 1/4 | 1 1/2 |
| R108 | 11 3/4 | 19 3/4 | 2 1/4 | 1 1/2 |
| R1010 | 13 3/4 | 23 7/8 | 2 1/4 | 1 1/2 |
| R1012 | 15 3/4 | 27 3/4 | 2 1/4 | 1 1/2 |
| R1014 | 17 3/4 | 31 3/4 | 2 1/4 | 1 1/2 |
| R152 | 5 7/8 | 7 7/8 | 2 3/4 | 1 5/8 |
| R154 | 7 7/8 | 11 7/8 | 2 3/4 | 1 5/8 |
| R156 | 10 11/16 | 16 11/16 | 2 3/4 | 1 5/8 |
| R1510 | 14 11/16 | 24 11/16 | 2 3/4 | 1 5/8 |
| R1514 | 18 11/16 | 32 11/16 | 2 3/4 | 1 5/8 |
| R251 | 5 1/2 | 6 1/2 | 3 5/8 | 2 1/4 |
| R252 | 6 1/2 | 8 1/2 | 3 5/8 | 2 1/4 |
| R254 | 8 1/2 | 12 1/2 | 3 5/8 | 2 1/4 |
| R256 | 10 3/4 | 17 | 3 5/8 | 2 1/4 |
| R258 | 12 3/4 | 21 | 3 5/8 | 2 1/4 |
| R2510 | 14 3/4 | 25 | 3 5/8 | 2 1/4 |
| R2512 | 16 3/4 | 29 | 3 5/8 | 2 1/4 |
| R2514 | 18 3/4 | 33 | 3 5/8 | 2 1/4 |
| Model Num |
E Base to Port C/L |
F | G | ||
| Piston I.D. Thrds |
Piston Thrd. Depth |
Collar Thrds |
Collar Thrd Lgth. |
||
| R50 | 3/4 | None | None | None | None |
| R51 | 3/4 | 3/4x 16 | 5/8 | 11/2 x16 | 1 1/8 |
| R53 | 3/4 | 3/4x 16 | 5/8 | 11/2 x16 | 1 1/8 |
| R55 | 3/4 | 3/4x 16 | 5/8 | 11/2 x16 | 1 1/8 |
| R57 | 3/4 | 3/4x 16 | 5/8 | 11/2 x16 | 1 1/8 |
| R59 | 3/4 | 3/4x 16 | 5/8 | 11/2 x16 | 1 1/8 |
| R101 | 3/4 | None | None | 2 1/4 x 14 | 1 1/8 |
| R102 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R104 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R106 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R108 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R1010 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R1012 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R1014 | 3/4 | 1 – 8 | 3/4 | 2 1/4 x 14 | 1 1/8 |
| R152 | 3/4 | 1 x 8 | 1 | 2 3/4 x 16 | 1 3/16 |
| R154 | 3/4 | 1 x 8 | 1 | 2 3/4 x 16 | 1 3/16 |
| R156 | 1 | 1 x 8 | 1 | 2 3/4 x 16 | 1 3/16 |
| R1510 | 1 | 1 x 8 | 1 | 2 3/4 x 16 | 1 3/16 |
| R1514 | 1 | 1 x 8 | 1 | 2 3/4 x 16 | 1 3/16 |
| R251 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R252 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R254 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R256 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R258 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R2510 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R2512 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| R2514 | 1 | 11/2 x 16 | 1 1/8 | 3 5/16 x 12 | 1 15/16 |
| Model Num |
Ram Bore Dia (in) |
Effect Area (sq in) |
Pres @ Cap. (psi) |
| R50 | 1 1/8 | .99 | 10,000 |
| R51 | |||
| R53 | |||
| R55 | |||
| R57 | |||
| R59 | |||
| R101 | 1 11/16 | 2.24 | 8,945 |
| R102 | |||
| R104 | |||
| R106 | |||
| R108 | |||
| R1010 | |||
| R1012 | |||
| R1014 | |||
| R152 | 2 | 3.14 | 9,554 |
| R154 | |||
| R156 | |||
| R1510 | |||
| R1514 | |||
| R251 | 2 9/16 | 5.15 | 9,700 |
| R252 | |||
| R254 | |||
| R256 | |||
| R258 | |||
| R2510 | |||
| R2512 | |||
| R2514 |
| Model Num |
Oil Cap Req’d (cu in) |
Wgt. | Sugstd Hand Pump |
| R50 | .6 | 2.5 | P41 |
| R51 | 1.0 | 2.5 | P41 |
| R53 | 3.0 | 3.3 | P41 |
| R55 | 5.0 | 4.0 | P42 |
| R57 | 7.0 | 5.0 | P42 |
| R59 | 9.1 | 5.5 | P42 |
| R101 | 2.2 | 3.5 | P42 |
| R102 | 5.22 | 5.2 | P42 |
| R104 | 9.2 | 6.3 | P42 |
| R106 | 13.7 | 8.8 | P42 |
| R108 | 18.0 | 10.5 | P42 |
| R1010 | 22.7 | 12.0 | P42 |
| R1012 | 27.0 | 13.5 | P42 |
| R1014 | 31.5 | 8.3 | P42 |
| R152 | 6.3 | 8.3 | P42 |
| R154 | 12.6 | 10.8 | P42 |
| R156 | 19.0 | 14.5 | P42 |
| R1510 | 31.4 | 19.5 | P140 |
| R1514 | 44.0 | 24.5 | P140 |
| R251 | 5.2 | 12.0 | P42 |
| R252 | 10.3 | 15.0 | P42 |
| R254 | 20.6 | 18.0 | P42 |
| R256 | 32.2 | 23.0 | P42 |
| R258 | 42.5 | 27.0 | P140 |
| R2510 | 52.8 | 31.0 | P140 |
| R2512 | 63.1 | 35.0 | P140 |
| R2514 | 73.4 | 39.0 | P140 |



