Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X50
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X50 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 10mm and 50mm give 4 controllable stop positions across a 60mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 110 mm
- Stroke 250 mm
- Total travel60 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X50
The SCT80X10X50 is a tandem multi-position cylinder that delivers four fixed rod positions—0 mm, 10 mm, 50 mm, and the combined 60 mm total travel—by pressurising its two piston sections independently or together. Each 80 mm bore section generates 2513 N of push force at 0.5 MPa, rising to 4523 N at 0.9 MPa, making it a compact solution for short-throw, multi-stop tasks.
This tie-rod cylinder uses a 25 mm diameter piston rod and PT3/8 ports, with a 28 mm adjustable air cushion at each end to decelerate the load smoothly. The body length A(SCT) is 296 mm, providing a rigid, durable assembly for inline mounting. It operates on filtered air from 0.15 to 1.0 MPa across a -20 to +70 °C range with its standard TPU seals.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X50 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X50 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 10 / 50 mm |
| Total travel | 60 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) | 10 mm |
| P2 (section 2) | 50 mm |
| P3 (both extended) | 60 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 SCT80X10X50
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×10 | Stroke 1 (section 1) in mm. |
| ×50 | 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 SCT80X10X50 Is Used
Two-Stage Part Staging
Advances a stop pin 10 mm to separate a single component, then extends to 50 mm to release the next batch, providing reliable singulation without multiple actuators.
Short-Stroke Clamping & Eject
Uses the 10 mm position for a gentle pre-clamp and the 60 mm total travel for a full ejection stroke, protecting delicate assemblies from impact damage.
Diverter Gate Control
Positions a small diverter gate at 0 mm (lane A), 10 mm (neutral), or 50 mm (lane B) on a compact conveyor, directing product flow with a single tandem cylinder.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X50 the Right Cylinder?
Choose the SCT80X10X50 when a single actuator must index between a very short 10 mm advance, a 50 mm intermediate position, and the full 60 mm extension, eliminating the cost and complexity of two separate cylinders with external hard stops. If the force requirement is lower, stepping down to the 63 mm bore reduces per-section push to 1559 N at 0.5 MPa, while moving to the 100 mm bore increases it to 3927 N.
For a direct replacement, match an AirTAC SCT with an 80 mm bore, 10 mm first stroke, 50 mm second stroke, PT port thread, and basic mounting. If the 50 mm section stroke extends a guided load, verify the rod’s side-load capacity; external guides are recommended to prevent bending of the 25 mm rod.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 10 + 50 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 SCT80X10X50 FAQ
This tandem cylinder provides four discrete rod positions: fully retracted (0 mm), first section extended (10 mm), second section extended (50 mm), and both sections extended for the total travel of 60 mm. The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it is designed to replace two individually mounted cylinders where you need three or four fixed positions along the same axis. It saves space and simplifies plumbing, but ensure the replacement matches the 80 mm bore, 10 mm and 50 mm strokes, PT port thread, and basic mounting configuration.
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