Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140S 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 SCT100X60X140S
The SCT100X60X140S is a double-acting multi-position cylinder that provides four distinct mechanical stops along its stroke: 0 mm (fully retracted), 60 mm, 140 mm, and the total travel of 200 mm. By pressurizing the two tandem piston sections independently or together, you achieve repeatable positioning without external hard stops. Each 100 mm bore section generates 3927 N of push force at 0.5 MPa, making it suitable for heavy-duty diverting or multi-depth pressing tasks.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for end-of-stroke or intermediate position feedback. The 25 mm diameter piston rod and PT1/2 port threads handle high flow demands, while the 29 mm adjustable air cushion at each end section decelerates the load smoothly. The body length A is 308 mm plus the combined stroke, providing a rigid, tie-rod construction rated for 0.15–1.0 MPa operating pressure.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140S |
|---|---|
| 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 SCT100X60X140S
| 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 SCT100X60X140S Is Used
Two-Way Part Sorting
Use the 60 mm and 140 mm extended positions to divert parts onto two separate conveyor lanes from a single feed point, with the 200 mm position for a reject chute.
Multi-Depth Press Operations
Achieve two distinct pressing depths (60 mm and 140 mm) in a single cycle, such as a preliminary form followed by a final coining operation, using the 200 mm position for part ejection.
Staged Clamping Fixture
Clamp a workpiece with partial force at the 60 mm position for alignment, then apply full clamping pressure at the 140 mm position before a machining cycle begins, with full retraction for unloading.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X60X140S the Right Cylinder?
Choose the SCT100X60X140S when your application requires two distinct extended positions plus retracted and full-extension stops, eliminating the need for two separate cylinders and their mounting hardware. If your force requirement is lower, stepping down to an 80 mm bore reduces the per-section push force to 2513 N at 0.5 MPa, which can lower air consumption. For direct replacement, match the 100 mm bore, both 60 mm and 140 mm section strokes, PT port thread, and the -S magnet option; the basic mounting configuration uses the cylinder's integral tie-rod nuts for fixture attachment. With a combined stroke of 200 mm, rod guiding is generally not required for purely axial loads, but consider an external guide if significant side forces are present.
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 SCT100X60X140S FAQ
This tandem cylinder provides four distinct mechanical stop positions: 0 mm (fully retracted), 60 mm (first section extended), 140 mm (second section extended), and 200 mm (both sections extended, total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, the SCT100X60X140S integrates two piston sections on a single rod line, providing three extended positions from one compact assembly. This eliminates the need to synchronize two separate cylinders and their mountings. Ensure the replacement matches the 100 mm bore, 60 mm and 140 mm strokes, PT1/2 ports, and the -S magnet option for sensor compatibility.
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