Airtac SC80 Standard Cylinder SC80X1250S
The AirTAC Airtac SC80 Standard Cylinder SC80X1250S is a genuine double-acting standard air cylinder with a Ø80mm bore and 1250mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke1250 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X1250S
The AirTAC SC80X1250S is a double-acting, single-rod pneumatic cylinder with an 80 mm bore and a long 1250 mm stroke, delivering a push force of 2513 N at 0.5 MPa. Its 25 mm diameter piston rod and 28 mm adjustable air cushion at each end provide smooth deceleration for high-cycle linear tasks.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the tie-rod barrel for contactless position sensing. The total extended body length is approximately 1432 mm, with PT1/8 ports and an M20x1.5 rod thread.
Airtac SC80 Standard Cylinder SC80X1250S Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X1250S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 1250 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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, 28 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (approx.) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC80 Standard Cylinder SC80X1250S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×1250 | 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 SC80 Standard Cylinder SC80X1250S Is Used
Long-Reach Part Transfer
The 1250 mm stroke and 2513 N push force at 0.5 MPa reliably shift heavy components between distant conveyor lines or workstations in automated assembly cells.
Vertical Pallet Lift Assist
With a pull force of 2268 N at 0.5 MPa, this cylinder provides a controlled, cushioned motion for raising and lowering pallets or heavy totes in low-speed material handling lifts.
Automated Glue Bead Applicator
The built-in magnet enables precise multi-position sensing along the full 1250 mm travel, making it ideal for applying continuous adhesive beads on large panels where speed and position feedback are critical.
Is the Airtac SC80 Standard Cylinder SC80X1250S the Right Cylinder?
For applications requiring more force, stepping up to the 100 mm bore SC100 series provides 3927 N of push force at the same 0.5 MPa pressure. If a shorter, more compact build is acceptable, the 63 mm bore SC63 delivers 1559 N. For this 1250 mm stroke, side loading on the 25 mm rod is a critical consideration; an external linear guide or rod support is strongly recommended to prevent rod bending and premature bearing wear. When replacing, ensure an exact match across five points: 80 mm bore, 1250 mm stroke, PT port thread, the built-in magnet sensor option, and the basic (no bracket) 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 SC80 Standard Cylinder SC80X1250S FAQ
At the standard operating pressure of 0.5 MPa, this 80 mm bore cylinder produces a push force of 2513 N and a pull force of 2268 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 4523 N.
For strokes of 300 mm or greater, side loads can cause rod deflection and seal damage. You must guide the load externally with a linear rail or rod support, or switch to a guided cylinder. The SC80X1250S does not have internal guidance to resist bending moments.
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