Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X40X130
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X40X130 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 40mm and 130mm give 4 controllable stop positions across a 170mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 140 mm
- Stroke 2130 mm
- Total travel170 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X40X130
The AirTAC SCT100X40X130 is a double-acting tandem cylinder that provides four distinct, repeatable rod positions without external stops or complex controls. By pressurising one or both of its two piston sections, the rod stops precisely at 0 mm (fully retracted), 40 mm, 130 mm, or the full combined travel of 170 mm. Each section delivers a robust push force of 3927 N at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa, making it suitable for heavy-duty multi-stop material handling.
Built on a durable tie-rod construction with a 25 mm diameter piston rod and a 29 mm adjustable air cushion at each end, this cylinder absorbs end-of-stroke impact effectively. The PT1/2 port and M20x1.5 rod thread are standard, and the body length A(SCT) is 308 mm. It operates on filtered air (40 µm) within a pressure range of 0.15–1.0 MPa and a standard temperature span of -20 to +70 °C.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X40X130 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X40X130 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 40 / 130 mm |
| Total travel | 170 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) | 40 mm |
| P2 (section 2) | 130 mm |
| P3 (both extended) | 170 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 SCT100X40X130
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×40 | Stroke 1 (section 1) in mm. |
| ×130 | 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 SCT100X40X130 Is Used
Four-Way Diverter Gate
Controls a heavy chute or diverter gate to four distinct positions (0, 40, 130, 170 mm) for routing bulk materials or packages to separate lanes on a conveyor system.
Multi-Depth Pressing
Provides two intermediate pressing depths (40 mm and 130 mm) plus a full-depth position (170 mm) for forming or assembly operations requiring different force applications at each stop.
Staged Clamping Fixture
Operates a heavy-duty welding or machining fixture that needs three clamping positions: open (0 mm), pre-clamp (40 mm), and full clamp (130 mm), with a 170 mm retract for part loading.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X40X130 the Right Cylinder?
Select the SCT100X40X130 when your process requires a single actuator to index a heavy load to four fixed positions, eliminating the cost and sequencing complexity of two separate cylinders. The 100 mm bore is the largest in the SCT range, offering a push force of 3927 N per section at 0.5 MPa. If your load is lighter, stepping down to an 80 mm bore reduces the per-section push to 2513 N at the same pressure, potentially lowering air consumption and cost. For replacement, match the 100 mm bore, both strokes (40 mm and 130 mm), PT port thread, and basic mounting configuration. If the original carries a magnet suffix, ensure the replacement includes -S for sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 40 + 130 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 SCT100X40X130 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 40 mm (first section extended), 130 mm (second section extended), and 170 mm (both sections fully extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
No, like all standard pneumatic cylinders, the SCT100X40X130 will drift or drop if air pressure is exhausted or lost. The air cushion does not act as a lock. If a load must be mechanically held at a stop position without live pressure, an external rod brake or pilot-operated check valve is required.
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