Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X500SLB
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X500SLB is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 200mm and 500mm give 4 controllable stop positions across a 700mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 1200 mm
- Stroke 2500 mm
- Total travel700 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X500SLB
The SCT80X200X500SLB is an 80 mm bore multi-position tandem cylinder that delivers four fixed rod positions: 0 mm (fully retracted), 200 mm, 500 mm, and the full 700 mm total travel. Each piston section provides 2513 N of push force at 0.5 MPa, rising to 4523 N at the maximum operating pressure of 0.9 MPa, driven through a rigid 25 mm diameter rod.
This specific unit is factory-configured with a built-in magnet (-S) for direct mounting of CMSG/DMSG sensors and an LB-style axial foot mount for stable surface installation. The tie-rod construction houses a 28 mm air cushion in each end cap, and the complete assembly has a body length of 296 mm, making it a compact solution for sequenced, multi-stop linear moves.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X500SLB Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X500SLB |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 200 / 500 mm |
| Total travel | 700 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) | 200 mm |
| P2 (section 2) | 500 mm |
| P3 (both extended) | 700 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 SCT80X200X500SLB
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×200 | Stroke 1 (section 1) in mm. |
| ×500 | 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 SCT80X200X500SLB Is Used
Two-Stage Part Transfer
Advances a lift-and-carry unit 200 mm to clear a fixture, then extends a further 500 mm to place the part onto a downstream conveyor, all from one compact actuator.
Multi-Depth Clamping
Provides a 200 mm rapid approach to the workpiece, a 500 mm high-force clamping stroke, and a 700 mm full-retract position for wide-open part loading clearance.
3-Way Diverter Gate
Positions a diverter chute at 0 mm (home), 200 mm (lane 1), 500 mm (lane 2), or 700 mm (lane 3), routing products to four distinct destinations with simple pneumatic control.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X200X500SLB the Right Cylinder?
Choose this SCT when a process needs a 200 mm primary advance and a 500 mm secondary stroke from a single rod line, avoiding the complexity of two separate cylinders. If the per-section push force of 2513 N at 0.5 MPa is insufficient, stepping up to the 100 mm bore provides 3927 N per section. For a direct replacement, match the 80 mm bore, both 200 mm and 500 mm strokes, PT port thread, LB foot mounting, and the integrated magnet; the sensor system can be reused immediately.
With the 500 mm section stroke extended, the 25 mm rod is fully cantilevered at 700 mm total travel. For heavy side loads or high-speed cycling at full extension, external linear guides or a rod support are recommended to prevent bending and ensure long seal life.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 200 + 500 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 SCT80X200X500SLB FAQ
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 200 mm (first section extended), 500 mm (second section extended), and 700 mm (both sections extended). It does not offer infinitely variable positioning.
Yes, if the application requires a 200 mm and a 500 mm stroke in series on the same rod axis. The SCT80X200X500SLB consolidates this into one unit with an LB foot mount, PT ports, and a built-in magnet, provided the per-section force of 2513 N at 0.5 MPa meets your requirements.
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