Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X160X75S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X160X75S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 160mm and 75mm give 4 controllable stop positions across a 235mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1160 mm
- Stroke 275 mm
- Total travel235 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X160X75S
The SCT100X160X75S is a 100 mm bore multi-position pneumatic cylinder that delivers four fixed rod positions from its tandem piston design: fully retracted (0 mm), 75 mm, 160 mm, and the combined total travel of 235 mm. Each piston section generates a powerful 3927 N of push force at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa, making it suitable for heavy-duty material handling tasks requiring intermediate stops.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position feedback at each stop. The 25 mm diameter rod and 29 mm adjustable air cushion at each end provide robust guidance and reliable end-of-stroke deceleration for the substantial moving mass.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X160X75S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X160X75S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 160 / 75 mm |
| Total travel | 235 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) | 160 mm |
| P2 (section 2) | 75 mm |
| P3 (both extended) | 235 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 SCT100X160X75S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×160 | Stroke 1 (section 1) in mm. |
| ×75 | 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 SCT100X160X75S Is Used
Multi-Stop Diverter Gates
Actuates a diverter gate on a conveyor to four distinct positions, routing packages to 0 mm (lane 1), 75 mm (lane 2), 160 mm (lane 3), or 235 mm (lane 4) based on sensor input.
Two-Depth Press Operation
Provides a retracted safe position, a 75 mm pre-press position, a 160 mm partial-engagement depth, and a full 235 mm final pressing depth for a two-stage assembly or forming process.
Staged Part Transfer
Transfers a workpiece between four stations on an automated line. The 25 mm rod and integrated magnet provide the necessary stiffness and sensor feedback for precise, repeatable stops at each of the four positions.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X160X75S the Right Cylinder?
Select this 4-position actuator when a single cylinder must replace two separate units to achieve a compact, three-stop sequence (e.g., a sorting gate with a home, mid, and extended position). If the 3927 N push force per section at 0.5 MPa is more than your application requires, consider stepping down to an 80 mm bore SCT, which provides 2513 N of push force. For a direct replacement, match the 100 mm bore, both the 160 mm and 75 mm strokes, the PT port thread, and the integrated magnet (-S suffix). Given the 160 mm stroke on the first section, ensure the rod is adequately guided if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 160 + 75 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 SCT100X160X75S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 75 mm (stroke 2 extended), 160 mm (stroke 1 extended), and 235 mm (both strokes extended). These positions are fixed by the cylinder's internal structure and are not infinitely adjustable.
Yes, it is designed to replace two independent cylinders where a sequence of fixed positions is needed, saving space and simplifying plumbing. A replacement must match the 100 mm bore, the exact 160 mm and 75 mm stroke combination, PT ports, and the -S magnet option for sensor compatibility.
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