Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X40
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X40 is a genuine double-acting standard air cylinder with a Ø200mm bore and 40mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ200 mm
- Stroke40 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 33 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X40
The SC200X40 is a heavy-duty, double-acting tie-rod cylinder delivering a powerful 15708 N of push force at just 0.5 MPa, rising to 28274 N at the maximum operating pressure of 0.9 MPa. With a 200 mm bore and a short 40 mm stroke, it is built for applications requiring immense force in a compact linear movement, utilizing a rigid 40 mm diameter piston rod.
This model features a 244 mm body length (A dimension) and a 33 mm adjustable air cushion to decelerate the substantial end-of-stroke inertia. It comes in the standard configuration with PT ports, TPU seals for a -20 to +70 C operating range, and no built-in magnet, ready for basic mounting.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X40 Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X40 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Stroke | 40 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 SC200X40
| SC | Standard tie-rod cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×40 | 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 SC200X40 Is Used
Heavy-Duty Press Frames
Generates up to 28274 N of force at 0.9 MPa for short-stroke pressing, crimping, and stamping operations where a compact power stroke is essential.
Industrial Clamping Systems
Provides a secure, high-force clamp for holding large workpieces in CNC machining, welding fixtures, or injection molding tools with a 40 mm rod diameter.
Material Ejection & Kick-Off
Delivers a powerful, short-thrust action to eject heavy parts or scrap from large conveyor systems and material handling chutes.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X40 the Right Cylinder?
This 200 mm bore cylinder is ideal when the 160 mm bore's 10053 N force at 0.5 MPa is insufficient for the load. If your application requires less force, stepping down to the 160 mm bore can reduce air consumption and physical footprint. For this 40 mm stroke, side-loading is typically not a primary concern due to the short extension, but always ensure the load is guided to protect the rod bearing.
For a direct replacement, match five key points: the 200 mm bore, 40 mm stroke, PT port thread, basic (no bracket) mounting style, and the absence of a magnet. This ensures dimensional and functional interchangeability with an existing AirTAC SC200X40 tie-rod cylinder.
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 SC200X40 FAQ
At 0.7 MPa operating pressure, the theoretical push force is 21991 N. The maximum push force at 0.9 MPa is 28274 N, and the theoretical maximum at 1.0 MPa is 3204 kgf.
No. The SC200X40 is a double-acting cylinder and will not hold its position if air pressure is exhausted or lost. The piston can drift or drop. For load-holding in a power-off or emergency-stop condition, you must add an external mechanical lock, a rod brake, or a pilot-operated check valve.
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