Airtac SC80 Standard Cylinder SC80X740
The AirTAC Airtac SC80 Standard Cylinder SC80X740 is a genuine double-acting standard air cylinder with a Ø80mm bore and 740mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke740 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X740
The AirTAC SC80X740 is a double-acting tie-rod cylinder delivering 2513 N of push force at 0.5 MPa (4523 N at the 0.9 MPa maximum operating pressure). With an 80 mm bore and a 740 mm stroke, this model suits mid-to-long linear motion tasks where a robust 25 mm diameter piston rod resists bending under axial load.
This cylinder uses a PT3/8 port and an M20x1.5 rod thread, with an adjustable air cushion of 28 mm at each end to decelerate the piston smoothly. The body length A is 182 mm, giving a total extended length of approximately 922 mm. Standard TPU seals provide an operating temperature range of -20 to +70 °C.
Airtac SC80 Standard Cylinder SC80X740 Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X740 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 740 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 SC80X740
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×740 | 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 SC80X740 Is Used
Material Handling Pusher
The 2513 N force at 0.5 MPa easily pushes heavy totes or pallets off a conveyor line, with the 740 mm stroke providing ample reach across wide belt sections.
Press-Fit Assembly Station
Delivers a controlled 4523 N at 0.9 MPa for pressing bearings or bushings into housings, where the adjustable cushion prevents impact damage to delicate parts at the end of the stroke.
Log Sorting Gate
The 25 mm rod and tie-rod construction handle the shock of diverting cut lumber. The long 740 mm stroke allows the gate to fully open across a wide sorting chute.
Is the Airtac SC80 Standard Cylinder SC80X740 the Right Cylinder?
For a step up in force, the SC100 bore provides 3927 N at 0.5 MPa; for a lighter, more compact solution, the SC63 bore delivers 1559 N. At a 740 mm stroke, side-load management is critical—never subject the rod to direct lateral force. Use an external linear guide or a guided cylinder to protect the rod bearing and piston seals from premature wear.
To replace an existing unit, match five points: 80 mm bore, 740 mm stroke, PT3/8 port thread, basic mounting (no bracket), and no magnet. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC80X740 FAQ
At 0.7 MPa (7 bar) supply pressure, the theoretical push force is 3518 N. The pull force on the retract stroke is 2268 N at 0.5 MPa, reduced by the rod area.
No. The SC80X740 is a double-acting cylinder and will drift or drop if pressure is lost or the directional valve is centered. For static load holding without live pressure, you must add an external rod lock or a pilot-operated check valve.
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