Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X100
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X100 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 100mm give 3 controllable stop positions across a 200mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 1100 mm
- Stroke 2100 mm
- Total travel200 mm
- Positions3 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X100
The SCT80X100X100 is an 80 mm bore multi-position pneumatic cylinder that creates three fixed rod positions: fully retracted (0 mm), 100 mm, and the total extended travel of 200 mm. By pressurising either of its two tandem piston sections independently or together, the cylinder achieves repeatable mechanical stops without external hardware. Each section generates a push force of 2513 N at 0.5 MPa, rising to 4523 N at the maximum operating pressure of 0.9 MPa.
This tie-rod cylinder uses a 25 mm diameter rod with an M20x1.5 thread and PT3/8 ports. The body length A(SCT) is 296 mm, and it features a 28 mm adjustable pneumatic cushion at each end for smooth deceleration. Standard TPU seals provide a reliable operating range from -20 to +70 °C, making it a robust choice for sorting or diverting tasks that require two distinct extended positions.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X100 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X100 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 100 / 100 mm |
| Total travel | 200 mm |
| Stop positions | 3 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT3/8 |
| 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, 28 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 100 mm |
| P2 (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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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 SCT80X100X100
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×100 | 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 SCT80X100X100 Is Used
Two-Position Diverter Gate
Directs parts on a conveyor to two separate lanes by extending the rod to either the 100 mm or 200 mm stop, eliminating the need for dual actuators.
Multi-Level Pallet Stop
Provides a hard stop for pallets at two different heights in a gravity flow rack, using the 100 mm and 200 mm positions for tiered release.
Two-Depth Pressing Station
Performs a primary press at the 100 mm stroke and a secondary, deeper press at the full 200 mm travel, both driven by a single compact cylinder.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X100X100 the Right Cylinder?
Select the SCT80X100X100 when an application requires two precise, repeatable extended stops without the complexity of servo controls or multiple actuators. This tandem unit is more compact and cost-effective than installing two separate 80 mm bore cylinders with external stop collars. If the 2513 N push force per section at 0.5 MPa exceeds the requirement, stepping down to a 63 mm bore reduces the force to 1559 N while maintaining the same 100 mm stroke per section. For replacement, match an AirTAC SCT with an 80 mm bore, both 100 mm strokes, PT3/8 ports, and the same basic mounting configuration.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 100 + 100 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 SCT80X100X100 FAQ
It provides three discrete mechanical stops: 0 mm (fully retracted), 100 mm (first section extended), and 200 mm (both sections extended). The two 100 mm strokes are equal, resulting in three unique rod positions.
Each of the two piston sections delivers 2513 N of push force when supplied with 0.5 MPa air pressure. The force does not combine; each section independently provides this thrust at its respective stop position.
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