Description
Model: RD-256
Series: RD
Product Lines: Industrial Tools
- Designed for long life, the best choice for production applications
- Unique mounting configurations simplify fixturing
- Baked enamel finish for increased corrosion resistance
- Double-acting operation develops force in both directions, providing maximum versatility
- Plunger wiper reduces contamination, extending cylinder life
- Hardened and chromed piston reduces wear and corrosion
- Hardened alloy steel guide ring eliminates over travel and provides support to reduce wear from off-center loads
- High strength composite bearing provides support for off-center loads without damaging the cylinder walls
- An Industrial U-cup style seal prevents costly leaks
Think Safety
Manufacturer’s rating of load and stroke are maximum safe limits. Good practice encourages using only 80% of these ratings!
Specifications
Maximum Operating Pressure (bar) | 700 |
Capacity Class (tonnage) | 25 |
Stroke (mm) | 159 |
Collapsed Height A (mm) | 424 |
Extended Height B (mm) | 583 |
Return Type | Double-Acting, Hydraulic Return |
Plunger Type | Solid |
Material | CR40 |
Cylinder Effective Area Advance (cm2) | 31.7 |
Cylinder Effective Area Retract (cm2) | 13.7 |
Oil Capacity Advance (cm3) | 504 |
Oil Capacity Retract (cm3) | 218 |
Surface Treatment | Baked enamel finish |
Coupler | 3/8NPT-18 |
Weight (kg) | 16 |
Dimensions
Collapsed Height/mm(A) | 424 |
Extended Height/mm(B) | 583 |
Body Length/mm(C) | 397 |
Outside Dia/mm(D) | 92 |
Cylinder Bore Dia/mm(E) | 63.5 |
Plunger Dia/mm(F) | 47.8 |
Top To Retract Port/mm(H) | 89 |
Bottom To Advance Port/mm(I) | 89 |
Plunger Protrusion/mm(K) | 27 |
Clevvis Eye Mounting Dimension L | 524 |
Clevvis Eye Mounting Dimension L1 | 683 |
Clevvis Eye Mounting Dimension M | 53 |
Neck Length/mm(N) | 70 |
Plunger Thread Length/mm(P) | 25 |
Plunger External Thread/mm(Q) | 1 1/8”-12 |
Collar Thread(W) | 3 1/4”-16 |
Collar Thread Length/mm(X) | 29 |
Int. Base Thread(Z) | 2 3/4”-16 |
Int. Base Thread Length(Z1) | 26 |
Series Comparison
Model Number | Capacity/Ton | Stroke/mm | Push Max Cylinder Capacity/Ton | Pull Max Cylinder Capacity/Ton | Push Cylinder Effective Area/cm2 | Pull Cylinder Effective Area/cm2 | Push Oil Capacity/cm3 | Pull Oil Capacity/cm3 | Collapsed Height/mm(A) | Extended Height/mm(B) | Body Length/mm(C) | Outside Dia/mm(D) | Cylinder Bore Dia/mm(E) | Plunger Dia/mm(F) | Top To Retract Port/mm(H) | Bottom To Advance Port/mm(I) | Plunger Protrusion/mm(K) | Clevvis Eye Mounting Dimension L | Clevvis Eye Mounting Dimension L1 | Clevvis Eye Mounting Dimension M | Neck Length/mm(N) | Plunger Thread Length/mm(P) | Plunger External Thread/mm(Q) | Collar Thread(W) | Collar Thread Length/mm(X) | Int. Base Thread(Z) | Int. Base Thread Length(Z1) | Weight/Kg |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RD41 | 4 | 29 | 4 | 2 | 5.1 | 2.2 | 14 | 6 | 186 | 214 | 162 | 50 | 25.4 | 19 | 47 | 47 | 24 | 258 | 286 | 41 | 29 | 22 | 1/2”-12 | 1 3/8”-12 | 11 | 1 1/8”-20 | 9 | 2 |
RD43 | 4 | 80 | 4 | 2 | 5.1 | 2.2 | 40 | 18 | 237 | 316 | 213 | 50 | 25.4 | 19 | 47 | 47 | 24 | 308 | 387 | 41 | 29 | 22 | 1/2”-12 | 1 3/8”-12 | 11 | 1 1/8”-20 | 9 | 2.6 |
RD46 | 4 | 156 | 4 | 2 | 5.1 | 2.2 | 79 | 34 | 313 | 468 | 289 | 50 | 25.4 | 19 | 47 | 47 | 24 | 385 | 540 | 41 | 29 | 22 | 1/2”-12 | 1 3/8”-12 | 11 | 1 1/8”-20 | 9 | 3.6 |
RD91 | 9 | 29 | 9 | 5 | 11.4 | 6.3 | 32 | 18 | 223 | 251 | 198 | 65 | 38.1 | 25.4 | 57 | 57 | 25 | 295 | 323 | 38 | 38 | 22 | 3/4”-16 | 2”-12 | 14 | 1 11/16”-18 | 14 | 3 |
RD93 | 9 | 80 | 9 | 5 | 11.4 | 6.3 | 90 | 50 | 274 | 353 | 249 | 65 | 38.1 | 25.4 | 57 | 57 | 25 | 346 | 425 | 38 | 38 | 22 | 3/4”-16 | 2”-12 | 14 | 1 11/16”-18 | 14 | 4.2 |
RD96 | 9 | 155 | 9 | 5 | 11.4 | 6.3 | 177 | 98 | 350 | 505 | 325 | 65 | 38.1 | 25.4 | 57 | 57 | 25 | 422 | 577 | 38 | 38 | 22 | 3/4”-16 | 2”-12 | 14 | 1 11/16”-18 | 14 | 5.6 |
RD910 | 9 | 257 | 9 | 5 | 11.4 | 6.3 | 293 | 162 | 452 | 709 | 427 | 65 | 38.1 | 25.4 | 57 | 57 | 25 | 524 | 781 | 38 | 38 | 22 | 3/4”-16 | 2”-12 | 14 | 1 11/16”-18 | 14 | 7.3 |
RD166 | 16 | 159 | 16 | 8 | 20.3 | 10.6 | 323 | 169 | 389 | 548 | 359 | 80 | 50.8 | 35 | 73 | 73 | 30 | 492 | 651 | 52 | 54 | 28 | 1 1/8”-12 | 2 5/8”-16 | 22 | 2 3/16”-16 | 24 | 10.2 |
RD1610 | 16 | 260 | 16 | 8 | 20.3 | 10.6 | 528 | 276 | 491 | 751 | 461 | 80 | 50.8 | 35 | 73 | 73 | 30 | 593 | 853 | 52 | 54 | 28 | 1 1/8”-12 | 2 5/8”-16 | 22 | 2 3/16”-16 | 24 | 14.5 |
RD256 | 25 | 159 | 25 | 11 | 31.7 | 13.7 | 504 | 218 | 424 | 583 | 397 | 92 | 63.5 | 47.8 | 89 | 89 | 27 | 524 | 683 | 53 | 70 | 25 | 1 1/8”-12 | 3 1/4”-16 | 29 | 2 3/4”-16 | 26 | 16 |
RD2510 | 25 | 260 | 25 | 11 | 31.7 | 13.7 | 824 | 356 | 526 | 786 | 499 | 92 | 63.5 | 47.8 | 89 | 89 | 27 | 626 | 886 | 53 | 70 | 25 | 1 1/8”-12 | 3 1/4”-16 | 29 | 2 3/4”-16 | 26 | 20.3 |