Airtac SC40 Standard Cylinder SC40X1650
The AirTAC Airtac SC40 Standard Cylinder SC40X1650 is a genuine double-acting standard air cylinder with a Ø40mm bore and 1650mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ40 mm
- Stroke1650 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 21 mm
About the Airtac SC40 Standard Cylinder SC40X1650
The AirTAC SC40X1650 is a double-acting tie-rod cylinder with a 40 mm bore and a 1650 mm non-standard stroke, built for applications needing an extended reach beyond the standard 1200 mm limit. It generates a push force of 628 N at 0.5 MPa and up to 1130 N at 0.9 MPa, driven by a 16 mm diameter piston rod with M12x1.25 threads.
This model features a 142 mm body length and a 21 mm adjustable air cushion at each end to decelerate the piston smoothly. The 1650 mm stroke requires careful management of side loads; an external guide or guided cylinder configuration is recommended to protect the rod bearing from bending moments during long-travel actuation.
Airtac SC40 Standard Cylinder SC40X1650 Technical Specifications
| Model | Airtac SC40 Standard Cylinder SC40X1650 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 1650 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 SC40X1650
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×1650 | 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 SC40X1650 Is Used
Long-Reach Material Transfer
The 1650 mm stroke moves light to medium loads across wide conveyor gaps or between distant process stations, using 628 N of push force at standard line pressure.
Extended Part Ejection
Pushes finished parts out of deep forming dies or long molds. The 16 mm rod and adjustable cushion provide controlled, repeatable ejection without impact damage.
Automated Sorting Gates
Operates tall diverters or long-throw gates in sorting systems. The tie-rod construction allows for stable, rigid mounting across the full 1650 mm travel.
Is the Airtac SC40 Standard Cylinder SC40X1650 the Right Cylinder?
Select the SC40 bore when your application requires a push force around 628 N at 0.5 MPa. If you need more force, stepping up to the SC50 bore provides 982 N at the same pressure, while the smaller SC32 offers 402 N for lighter tasks. For this 1650 mm non-standard stroke, ensure the rod is externally supported or guided, as the long unsupported length can amplify side-load deflection.
To replace an existing cylinder, match five key points: 40 mm bore, 1650 mm stroke, PT1/4 port thread, basic mounting (no bracket), and the absence of a built-in magnet. This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to other AirTAC SC series units 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 SC40X1650 FAQ
At 0.5 MPa the cylinder pushes with 628 N and pulls with 528 N. At 0.7 MPa push force rises to 879 N, and at the maximum operating pressure of 0.9 MPa it reaches 1130 N. The theoretical maximum at 1.0 MPa is 128 kgf.
For strokes exceeding 300 mm, side loads can cause rod deflection and premature seal wear. Use an external linear guide rail or a guided cylinder configuration to absorb transverse forces. The rod bearing is designed for axial loads, not bending moments, so external support is critical for long-stroke reliability.
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