Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X30S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X30S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 30mm give 4 controllable stop positions across a 130mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1100 mm
- Stroke 230 mm
- Total travel130 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X30S
The SCT100X100X30S is a 100 mm bore tandem multi-position cylinder that provides four fixed rod positions: 0 mm (fully retracted), 30 mm, 100 mm, and 130 mm (total travel). Each piston section generates 3927 N of push force at 0.5 MPa, rising to 7068 N at the 0.9 MPa maximum operating pressure, making it suitable for heavy-duty sorting or diverting tasks where two distinct intermediate stops are required.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for non-contact position sensing. The 25 mm diameter rod and PT1/2 port threads handle high flow, while the 29 mm adjustable air cushion at each end decelerates the 130 mm total stroke smoothly. The body length A(SCT) is 308 mm.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X30S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X30S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 100 / 30 mm |
| Total travel | 130 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) | 100 mm |
| P2 (section 2) | 30 mm |
| P3 (both extended) | 130 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 SCT100X100X30S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×30 | 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 SCT100X100X30S Is Used
Two-Stage Part Diverting
Use the 30 mm stroke for a primary divert gate and the 100 mm stroke for a secondary reject lane, achieving four routing paths from one cylinder.
Multi-Depth Pressing
Actuate the 30 mm section for a light pre-clamp at 3927 N, then engage the 100 mm section for the full 130 mm forming stroke at the same consistent force per section.
Sequential Assembly Stops
Program a pick-and-place sequence with stops at 30 mm for adhesive dispensing, 100 mm for component placement, and 130 mm for final insertion, all sensor-verified via the built-in magnet.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X30S the Right Cylinder?
Choose the SCT100X100X30S when you need four positive stops from a single compact assembly instead of mounting two separate cylinders with external hard stops. The 100 mm bore provides 3927 N of push per section at 0.5 MPa; if your load is lighter, stepping down to an 80 mm bore (2513 N push at 0.5 MPa) can reduce air consumption and overall width. For a drop-in replacement, match the 100 mm bore, both strokes (100 mm and 30 mm), PT port thread, and the integrated magnet (-S suffix). The 130 mm total stroke is relatively short, but if your application involves offset loads, consider an external guide rail to protect the 25 mm rod from bending moments.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 30 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 SCT100X100X30S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 30 mm (first section extended), 100 mm (second section extended), and 130 mm (both sections extended for total travel).
Yes, in applications requiring fixed intermediate stops at 30 mm and 100 mm. The SCT100X100X30S consolidates the function into one tie-rod body, simplifying mounting and plumbing. Ensure the replacement matches the 100 mm bore, PT ports, and the -S magnet option for sensor compatibility.
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