Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 100mm give 4 controllable stop positions across a 250mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1150 mm
- Stroke 2100 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100
The AirTAC SCT100X150X100 is a tie-rod tandem cylinder engineered to deliver four distinct, repeatable rod positions without external hard stops or complex servo controls. By pressurising the two piston sections independently or together, the rod locates precisely at 0 mm (fully retracted), 100 mm, 150 mm, or the total extended length of 250 mm. Each 100 mm bore section generates a substantial 3927 N of push force at 0.5 MPa, making it suitable for heavy-duty multi-stop material handling.
Built with a robust 25 mm diameter piston rod and an M20x1.5 rod-end thread, this cylinder handles significant side-loads in guided applications. The body length A(SCT) is 308 mm, and it features a 29 mm adjustable air cushion in each section to decelerate the piston smoothly at each end of the stroke. Operating on standard PT ports (PT1/2), it functions reliably across a -20 to +70 °C temperature range with its default TPU seals.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 150 / 100 mm |
| Total travel | 250 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/2 |
| 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, 29 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) | 150 mm |
| P2 (section 2) | 100 mm |
| P3 (both extended) | 250 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SCT100X150X100
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×150 | 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 SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100 Is Used
Two-Depth Sorting Gate
Diverts packages to three lanes using the 100 mm and 150 mm intermediate stops before reaching the full 250 mm extension for a fourth lane.
Asymmetric Clamping Fixture
Applies a low clamp force at the 100 mm position and a high clamp force at the 150 mm position for parts with variable thickness.
Multi-Stop Pusher
Pushes heavy pallets to two distinct locations on a conveyor line, first to a 100 mm inspection station, then to a 150 mm strapping zone.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100 the Right Cylinder?
Select the SCT100X150X100 when your process requires four fixed mechanical positions for a 100 mm bore actuator, eliminating the cost and complexity of two separate cylinders and a coupling. The unequal strokes provide asymmetric positioning ideal for a two-depth pressing or sorting operation. If your force requirement is lower, the 80 mm bore SCT delivers 2513 N of push per section at the same pressure. For replacement, ensure the new unit matches the 100 mm bore, both strokes of 150 mm and 100 mm, PT port threads, and basic mounting configuration. For strokes over 300 mm total, consider external guide rails to protect the 25 mm rod from bending under high side loads.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 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 SCT80~100 Multi-Position Tandem Cylinder SCT100X150X100 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 100 mm (stroke 2), 150 mm (stroke 1), and 250 mm (both strokes extended).
Each piston section of the 100 mm bore produces 3927 N of push force and 3681 N of pull force when operated at 0.5 MPa air pressure.
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