Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 140mm give 4 controllable stop positions across a 200mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 160 mm
- Stroke 2140 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140
The SCT100X60X140 is a 100 mm bore tandem multi-position pneumatic cylinder that provides four fixed rod positions without external hard stops. By pressurising the two piston sections individually or together, the rod locates at 0 mm (fully retracted), 60 mm, 140 mm, or the full 200 mm combined travel. Each section generates 3927 N of push force at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa.
Built on a rugged tie-rod design with a 25 mm diameter piston rod and M20x1.5 rod thread, the cylinder body has an A-length of 308 mm. Both sections feature adjustable pneumatic end cushioning with a 29 mm cushion length to manage energy at each stop. The standard PT1/2 ports and TPU seals suit filtered air from -20 to +70 °C, making this a dependable choice for multi-stop material handling where four distinct positions are required.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 60 / 140 mm |
| Total travel | 200 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/2 |
| 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, 29 mm |
| Max stroke / section | Up to 500 mm standard |
Specifications follow the official AirTAC SCT (multi-position) datasheet. SCT is available in bores 32–100; each of the two sections has a 500 mm max standard stroke (800 mm max). Confirm against the product label before installation. Thread options: PT (standard) / G.
Stop Positions (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 60 mm |
| P2 (section 2) | 140 mm |
| P3 (both extended) | 200 mm |
Positions are set by pressurising section 1, section 2, or both. With equal strokes you get 3 distinct positions; with unequal strokes you get 4.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Force is per actuated piston section (single-piston, same as the SC bore): push uses the full bore area, pull subtracts the rod area. Size with a safety margin.
Model Code: Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×140 | Stroke 2 (section 2) in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCD (double rod), SCJ (adjustable stroke). SCT mounting: Basic, FA, FB, CA, CB, LB. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140 Is Used
Four-Way Sorting Gate
Directs packages or pallets to four separate lanes by commanding the rod to 0, 60, 140, or 200 mm, each position aligning a diverter arm with a different conveyor spur.
Multi-Depth Pressing
Provides three controlled pressing depths plus a retracted home position for assembling components with different insertion forces or stack-up heights in a single station.
Staged Clamping Fixture
Clamps a workpiece in three progressive stages—initial contact at 60 mm, light hold at 140 mm, and full clamping force at 200 mm—allowing delicate parts to be seated before full pressure is applied.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140 the Right Cylinder?
Select the SCT100X60X140 when your application needs a single actuator to reach four defined positions along a 200 mm stroke, replacing two separate cylinders and a complex control scheme. If a lighter frame is acceptable, stepping down to the 80 mm bore SCT80 series reduces single-section push force to 2513 N at 0.5 MPa. For a direct replacement, match the 100 mm bore, both the 60 mm and 140 mm section strokes, PT port thread, and basic mounting style. Since the total combined stroke is 200 mm, rod guiding is generally sufficient, but consider an external guide rail if the load applies a significant side force at the fully extended 200 mm position.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 140 mm suit your layout?
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Plumb the two sections to the correct valves for each stop.
- check Adjust end cushion screws for smooth stops.
- check Use SCT mounting accessory (FA / FB / CA / CB / LB).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140 FAQ
This tandem cylinder has four discrete rod positions: 0 mm (fully retracted), 60 mm (first section extended), 140 mm (second section extended), and 200 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
No. Like all standard pneumatic cylinders, the SCT100X60X140 will drift or drop if pressure is lost or a directional valve is centered. To lock the rod at an intermediate position without live pressure, you must add an external rod brake, a mechanical lock, or pilot-operated check valves in the circuit.
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