Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 80mm and 100mm give 4 controllable stop positions across a 180mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 180 mm
- Stroke 2100 mm
- Total travel180 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S
The SCT50X80X100S is a double-acting multi-position tandem cylinder that delivers four discrete rod stops—0 mm, 80 mm, 100 mm, and the full 180 mm total travel—by pressurising its two piston sections independently or together. Each 50 mm bore section generates 982 N of push force at 0.5 MPa (1767 N at 0.9 MPa), driven through a 20 mm diameter piston rod.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to mount directly on the tie-rod barrel for non-contact position sensing. The cylinder body length A(SCT) is 243 mm, and it features an adjustable pneumatic cushion of 21 mm on each end to decelerate the load smoothly.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 80 / 100 mm |
| Total travel | 180 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 21 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) | 80 mm |
| P2 (section 2) | 100 mm |
| P3 (both extended) | 180 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×80 | 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S Is Used
Multi-Stop Sorting
Uses the 0, 80, 100, and 180 mm positions to divert parts onto three separate conveyor lanes from a single feed point.
Two-Depth Pressing
Provides a shallow 80 mm press depth and a deeper 100 mm depth from the same cylinder, with full retraction at 0 mm.
Staged Clamping
Applies a light clamp at 80 mm extension and full force at 100 mm, using the intermediate stop to protect delicate parts.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S the Right Cylinder?
Choose the SCT50X80X100S when your application needs four fixed stopping points without the complexity of servo control or multiple cylinders. The 80 mm and 100 mm strokes combine to give you a compact 180 mm total envelope, ideal for diverting or sorting tasks. If you require higher force, stepping up to the 63 mm bore provides 1559 N of push per section at the same pressure. For replacement, match the 50 mm bore, both stroke lengths (80 mm and 100 mm), PT port thread, and the -S magnet option to ensure sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 80 + 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT50X80X100S FAQ
This tandem cylinder provides four distinct rod positions: fully retracted (0 mm), the first section extended (80 mm), the second section extended (100 mm), and both sections extended for the total travel of 180 mm.
Only if you need the specific 80 mm and 100 mm stroke combination in a single body. The SCT uses two pistons on one rod, so its mounting footprint and force output per section match the SC series, but it provides multiple stops instead of one.
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