Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135 is a genuine double-acting standard air cylinder with a Ø200mm bore and 135mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ200 mm
- Stroke135 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 33 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135
The SC200X135 is a large-bore double-acting tie-rod cylinder delivering a substantial 15708 N of push force at 0.5 MPa, scaling up to 28274 N at the maximum operating pressure of 0.9 MPa. With a 200 mm bore and a 135 mm stroke, this model features a robust 40 mm diameter piston rod and an M36x2 rod thread for secure tooling attachment.
Its body length A measures 244 mm, resulting in a compact extended length of approximately 379 mm for this stroke. The adjustable pneumatic cushion, with a 33 mm cushion length, effectively decelerates high-inertia loads at the end of travel, protecting the end cap and reducing noise during high-cycle operations.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Stroke | 135 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 33 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (approx.) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135
| SC | Standard tie-rod cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×135 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135 Is Used
Heavy Press Tool Actuation
Provides the 15.7 kN baseline force needed for clamping and forming in large stamping presses, with the 135 mm stroke suiting a specific die ejection cycle.
Dam Gate Valve Control
Operates large sluice or gate valves in water management systems, where the 28274 N peak force at 0.9 MPa overcomes high static head pressure to initiate movement.
Mining Conveyor Tensioning
Acts as a powerful linear actuator in a heavy-duty belt tensioning station, maintaining constant force on the take-up pulley to prevent slippage under aggregate loads.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135 the Right Cylinder?
For applications needing more force, the SC250 steps up to a 50 mm rod and 24544 N of push force at 0.5 MPa. If this 200 mm bore is correct but a shorter stroke suffices, consider the SC200X100. Always match replacements by bore, stroke, PT port thread, and basic mounting. This cylinder does not include a magnet; if sensor feedback is required, select the -S variant.
At a 135 mm stroke, the rod's bending moment is minimal, but for any application with a non-axial side load, an external linear guide rail is essential. A tie-rod cylinder is designed for push-pull forces along its axis and must not be used as a structural guide.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X135 FAQ
At the standard 0.5 MPa operating pressure, the push force is 15708 N and the pull force on the retract stroke is 15080 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 28274 N.
No, the SC200X135 is a standard double-acting cylinder and will drift or drop if pressure is exhausted. It relies on live air pressure for positioning. For load-holding safety, you must add an external rod lock, a pilot-operated check valve, or a counterbalance valve in the circuit.
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