Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X30X10S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X30X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 30mm and 10mm give 4 controllable stop positions across a 40mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 130 mm
- Stroke 210 mm
- Total travel40 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X30X10S
The SCT100X30X10S is a tandem multi-position pneumatic cylinder providing four fixed rod positions: 0 mm (fully retracted), 30 mm, 10 mm, and 40 mm (total travel). Each piston section delivers a powerful 3927 N push force at 0.5 MPa, making it suitable for heavy-duty sorting or positioning tasks where a 25 mm rod and PT1/2 ports are required.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for non-contact position feedback. The cylinder body length A(SCT) is 308 mm with a 29 mm adjustable air cushion, and the maximum push force reaches 7068 N per section at 0.9 MPa operating pressure.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X30X10S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X30X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 30 / 10 mm |
| Total travel | 40 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) | 30 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 40 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 SCT100X30X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×30 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT100X30X10S Is Used
Two-Stage Part Diverting
Extends to 10 mm for a low-profile divert and 30 mm for a high-profile divert on a conveyor line, using sensor feedback from the built-in magnet.
Dual-Depth Stop Gate
Acts as a physical gate with two open positions (10 mm and 30 mm) to meter different part sizes, fully retracting to 0 mm for the largest items.
Multi-Level Clamping Fixture
Provides two distinct clamping pressures or heights (10 mm and 30 mm) for processing varied workpiece thicknesses in a single automated station.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X30X10S the Right Cylinder?
Choose this 4-position cylinder when a single actuator must deliver two different short extension lengths without complex external stops. The 100 mm bore provides 3927 N of push force per section at 0.5 MPa; if a lighter, more compact solution works, the 80 mm bore (2513 N push) may fit tighter spaces. For a direct replacement, match the 100 mm bore, both 30 mm and 10 mm strokes, PT port thread, basic mounting, and the integrated magnet (-S).
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 30 + 10 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 SCT100X30X10S FAQ
This cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 30 mm (first section extended), 10 mm (second section extended), and 40 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it often can. The SCT100X30X10S integrates two strokes into one tandem body, saving space and simplifying plumbing compared to mounting two individual SC100 cylinders back-to-back. Ensure the replacement matches the 100 mm bore, 30 mm and 10 mm strokes, PT ports, and the -S magnet option.
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