Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X950S
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X950S is a genuine double-acting standard air cylinder with a Ø250mm bore and 950mm stroke, PT1" air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ250 mm
- Stroke950 mm
- Port sizePT1"
- Acting typeDouble acting
- Rod threadM42×2
- CushionAdjustable, 40 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X950S
The AirTAC SC250X950S is a double-acting tie-rod cylinder delivering 24544 N of push force at 0.5 MPa and up to 44178 N at the maximum operating pressure of 0.9 MPa. With a 50 mm diameter piston rod and a 40 mm adjustable air cushion, this model is built for heavy industrial tasks requiring a long 950 mm stroke.
This variant includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to be mounted directly onto the barrel for reliable end-of-stroke detection. The cylinder operates on filtered air (40 µm) within a standard pressure range of 0.15–1.0 MPa and a temperature range of -20 to +70 °C, using durable TPU seals and PT port threads.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X950S Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X950S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø250 mm |
| Stroke | 950 mm |
| Acting type | Double acting |
| Port size | PT1" |
| Rod thread | M42×2 |
| 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, 40 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 (Ø250mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 24544 N | 23562 N |
| 0.7 MPa | 34361 N | — |
| Max (approx.) | 5006 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 SC250X950S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 250 | Bore size in mm. |
| ×950 | 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 SC250X950S Is Used
Heavy Press & Forming
Generates over 44 kN of force at 0.9 MPa, ideal for operating large mechanical presses, stamping dies, and metal-forming equipment in demanding production lines.
Material Handling & Lifting
The 950 mm stroke and high force capacity are well-suited for lifting and transferring heavy pallets, coils, or large castings in automated warehouse and logistics systems.
Large-Scale Clamping
Provides powerful, controlled clamping for large workpieces on CNC machining centers or assembly jigs, with sensor feedback confirming the clamp position via the built-in magnet.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC250X950S the Right Cylinder?
For applications needing slightly less force, the 200 mm bore SC200 series provides 15708 N of push force at 0.5 MPa. If a guided load is required for this 950 mm stroke, an external guide or a purpose-built guided cylinder is strongly recommended to protect the 50 mm rod from bending under side loads. When replacing this cylinder, ensure a match across five key points: 250 mm bore, 950 mm stroke, PT port thread, the built-in magnet (-S), and the basic mounting configuration.
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 SC250X950S FAQ
At 0.7 MPa operating pressure, this cylinder delivers a theoretical push force of 34361 N. The maximum push force at the 0.9 MPa operating limit is 44178 N.
No. The SC series is a double-acting cylinder and will not hold its position if air pressure is lost or the directional valve is centered. For load-holding applications, you must use an external mechanical lock, a rod brake, or a pilot-operated check valve in the circuit.
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