Airtac SC40 Standard Cylinder SC40X145
The AirTAC Airtac SC40 Standard Cylinder SC40X145 is a genuine double-acting standard air cylinder with a Ø40mm bore and 145mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ40 mm
- Stroke145 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 21 mm
About the Airtac SC40 Standard Cylinder SC40X145
The SC40X145 is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 40 mm bore with a 145 mm stroke. At 0.5 MPa it produces 628 N of push force and 528 N on the pull stroke, driven by a 16 mm diameter piston rod with M12x1.25 male threads.
This model features a compact body length A of 142 mm, giving an extended length of approximately 287 mm. The adjustable air cushion (21 mm length) decelerates the piston smoothly at each end, reducing impact noise and wear. Standard PT1/4 ports and TPU seals with a -20 to +70 °C operating range make it a dependable workhorse for everyday factory automation.
Airtac SC40 Standard Cylinder SC40X145 Technical Specifications
| Model | Airtac SC40 Standard Cylinder SC40X145 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 145 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC40 Standard Cylinder SC40X145
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×145 | 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 SC40 Standard Cylinder SC40X145 Is Used
Small-Part Sorting Gates
The 145 mm stroke and 628 N push force at 0.5 MPa efficiently actuates diverter gates on compact conveyor lines, handling lightweight packages or components with reliable repeatability.
Clamping & Light Pressing
Ideal for jig and fixture clamping in CNC or assembly cells. The adjustable cushion allows fast approach speeds followed by a soft stop, protecting delicate workpieces from impact damage.
Label & Stamp Applicators
Delivers a clean, straight-line push stroke for label presses or ink-stamp mechanisms. The tie-rod construction ensures consistent alignment over millions of cycles in packaging machinery.
Is the Airtac SC40 Standard Cylinder SC40X145 the Right Cylinder?
The SC40 bore sits between the smaller SC32 (402 N push at 0.5 MPa) and the larger SC50 (982 N). If your load requires more force than the SC40 delivers, stepping up to the SC50 provides a 56% thrust increase without a major footprint change. For strokes of 300 mm or longer on this 16 mm rod, consider an external guide or a guided cylinder to prevent rod-bearing bending from side loads.
When replacing an existing cylinder, match five points: bore (40 mm), stroke (145 mm), port thread (PT1/4), mounting style (basic, no bracket), and magnet option (none). This SC40X145 is a direct fit only for another AirTAC SC tie-rod cylinder with the same specifications.
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 SC40 Standard Cylinder SC40X145 FAQ
At the standard 0.5 MPa operating pressure, the push force is 628 N and the pull force is 528 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1130 N. The theoretical maximum at 1.0 MPa is 128 kgf.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than an ISO 15552 profile cylinder of the same bore and stroke, so mounting dimensions and end-cap profiles are not interchangeable. It replaces another AirTAC SC40 cylinder with matching bore, stroke, PT1/4 ports, and basic mounting.
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