Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X310S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X310S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 310mm give 4 controllable stop positions across a 370mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 160 mm
- Stroke 2310 mm
- Total travel370 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X310S
The AirTAC SCT80X60X310S is a double-acting multi-position tandem cylinder that provides four distinct rod positions: 0 mm (fully retracted), 60 mm, 310 mm, and 370 mm (total travel). Each 80 mm bore section delivers a push force of 2513 N at 0.5 MPa, making it suitable for sorting or diverting tasks requiring two intermediate stops. The built-in magnet allows direct mounting of CMSG/DMSG/EMSG sensors for reliable position feedback.
This model features a 25 mm diameter rod and an M20x1.5 rod thread, with PT3/8 ports. The adjustable pneumatic cushion is 28 mm long, providing smooth deceleration at each end of the 370 mm total stroke. The body length A is 296 mm. With a maximum operating pressure of 1.0 MPa, the per-section thrust reaches 4523 N, offering robust force for multi-step assembly or packaging operations.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X310S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X310S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 60 / 310 mm |
| Total travel | 370 mm |
| Stop positions | 4 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 60 mm |
| P2 (section 2) | 310 mm |
| P3 (both extended) | 370 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 SCT80X60X310S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×310 | 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 SCT80X60X310S Is Used
Four-Position Diverter Gate
Controls a gate on a conveyor to four distinct positions for sorting packages to different lanes, using the 0, 60, 310, and 370 mm stops.
Multi-Depth Pressing
Provides two controlled pressing depths in a single cycle, such as a light pre-press at 60 mm and a full insertion at 370 mm, with sensor confirmation at each step via the built-in magnet.
Staged Part Transfer
Moves a component through a multi-station process, stopping at a pick position (0 mm), an inspection stage (60 mm), a processing stage (310 mm), and a final place position (370 mm).
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X60X310S the Right Cylinder?
Select the SCT80X60X310S when your application requires a pneumatic actuator to stop at four fixed positions without the complexity of two separate cylinders and external stops. This integrated tandem unit simplifies plumbing and mounting, ensuring the 60 mm and 310 mm intermediate positions are mechanically defined. For a higher force requirement, consider stepping up to the SCT100 bore, which provides 3927 N of push per section at 0.5 MPa. If a lower force is sufficient, the SCT63 bore offers 1559 N per section.
As a direct replacement, ensure the new unit matches the 80 mm bore, both 60 mm and 310 mm strokes, PT port thread, basic mounting, and the -S magnet option for sensor compatibility. Given the 310 mm stroke on the second section, evaluate the application for potential side loading. If the load is not guided, consider adding an external guide rail to prevent rod bending and ensure long seal life.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 310 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 SCT80X60X310S FAQ
This cylinder has four discrete stop positions: 0 mm (fully retracted), 60 mm (first section extended), 310 mm (second section extended), and 370 mm (both sections extended). The positions are achieved by pressurizing the two piston sections independently or together.
Yes, it is a direct replacement for setups using two separate cylinders to achieve three or four positions, provided the strokes match. The SCT80X60X310S integrates both strokes into one tie-rod body, simplifying mounting, reducing plumbing, and ensuring the intermediate positions are fixed by the cylinder's internal mechanics rather than adjustable external hardware.
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