Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 40mm and 60mm give 4 controllable stop positions across a 100mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 140 mm
- Stroke 260 mm
- Total travel100 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S
The SCT80X40X60S is an 80 mm bore multi-position pneumatic cylinder that provides four distinct rod positions without external hard stops. By pressurising its two tandem piston sections independently or together, the rod locates at 0 mm (fully retracted), 40 mm, 60 mm, or the total travel of 100 mm.
Each section generates 2513 N of push force at 0.5 MPa (4523 N at 0.9 MPa) and uses a 25 mm diameter rod with PT3/8 ports. The built-in magnet allows CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for non-contact position sensing, while the 28 mm adjustable air cushion at each end decelerates the load smoothly.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 40 / 60 mm |
| Total travel | 100 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) | 40 mm |
| P2 (section 2) | 60 mm |
| P3 (both extended) | 100 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 SCT80X40X60S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×40 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT80X40X60S Is Used
Two-Stage Diverter Gate
Positions a diverter chute at four distinct angles—home, partial divert for small items, full divert for large items, and a bypass position—using a single actuator controlled by two 5/2 valves.
Multi-Depth Pressing
Provides three pressing depths plus a retracted home position for assembly operations that require a pre-compression step, a full-depth press, and an intermediate forming stage.
Asymmetric Part Staging
Advances parts on a conveyor stop gate in two unequal increments (40 mm then 60 mm) for a total 100 mm travel, enabling a pick-and-place to access two different pick points from one cylinder.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S the Right Cylinder?
This SCT model suits applications needing four fixed stopping points from a single compact actuator, eliminating the complexity of two separate cylinders and external valving. The 40 mm and 60 mm strokes create asymmetric positions ideal for two-step feeding or sorting where the intermediate stops are not equally spaced. If higher force is required, the SCT100 series provides 3927 N push per section at 0.5 MPa; for a lighter, more compact solution, the SCT63 delivers 1559 N. To replace an existing unit, match the 80 mm bore, both strokes (40 mm and 60 mm), the PT port thread, the built-in magnet (-S suffix), and the basic mounting configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 40 + 60 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 SCT80X40X60S FAQ
It provides 4 discrete rod positions: 0 mm (fully retracted), 40 mm (first section extended), 60 mm (second section extended), and 100 mm (both sections extended, total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, in applications where the load moves along a single linear axis and requires up to four fixed stops. The SCT80X40X60S consolidates the function of two cylinders and their mounting hardware into one tie-rod assembly, simplifying the machine frame and reducing the number of valves needed. Ensure the replacement matches the 80 mm bore, the 40 mm and 60 mm strokes, the PT port thread, and the built-in magnet.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SCT Multi-Position Cylinders
Request a Quote for Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X40X60S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.