Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200CB
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200CB is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 200mm give 4 controllable stop positions across a 350mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1150 mm
- Stroke 2200 mm
- Total travel350 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200CB
The SCT100X150X200CB is a tie-rod multi-position cylinder that delivers four fixed rod positions from a single compact unit: 0 mm (fully retracted), 150 mm, 200 mm, and 350 mm total travel. By pressurising the two piston sections independently or together, you get repeatable mechanical stops without external hard stops or complex servo controls. Each 100 mm bore section generates 3927 N of push force at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa.
This model is equipped with a rear double clevis (CB) for pivoting actuation, allowing the cylinder to swing through an arc as it extends. The 25 mm diameter piston rod and M20x1.5 rod thread handle significant side loads, while the 29 mm adjustable air cushion at each end section decelerates the mass smoothly. The body length A(SCT) is 308 mm, and the standard PT port thread is PT1/2.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200CB Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200CB |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 150 / 200 mm |
| Total travel | 350 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) | 200 mm |
| P3 (both extended) | 350 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 SCT100X150X200CB
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT100X150X200CB Is Used
4-Position Diverter Gate
Direct packages or parts to four separate conveyor lanes by commanding the cylinder to stop at 0, 150, 200, or 350 mm. The discrete, repeatable stops ensure accurate alignment with each lane.
Multi-Depth Clamping Fixture
Clamp workpieces of two different thicknesses or at two different depths in a single station. The 150 mm and 200 mm stops provide the primary clamping positions, with the 350 mm total travel for part loading clearance.
Staged Press Operation
Perform a two-stage pressing or forming operation. The first advance to 150 mm can be a rapid approach, the second to 200 mm a slower forming step, and the full 350 mm extension an ejection stroke.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X150X200CB the Right Cylinder?
Choose the SCT100X150X200CB when your application needs four distinct stopping points and you require the high force of a 100 mm bore. This tandem cylinder replaces two separate cylinders and a mounting bracket, saving space and eliminating alignment issues. The CB rear double clevis mount is ideal for applications where the cylinder body must pivot, such as on a moving linkage or a hinged gate mechanism.
If your force requirement is lower, stepping down to an 80 mm bore SCT reduces the per-section push force to 2513 N at 0.5 MPa. For replacement, match the bore (100 mm), both strokes (150 mm and 200 mm), the CB mounting, and the PT port thread. With a total travel of 350 mm, ensure the rod is adequately guided if the load applies a significant side force, particularly when the rod is fully extended.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 200 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 SCT100X150X200CB FAQ
It provides four distinct mechanical stop positions: 0 mm (fully retracted), 150 mm (section 1 extended), 200 mm (section 2 extended), and 350 mm (both sections extended for total travel). The positions are selected by pressurising the two cylinder sections in different combinations.
Yes, it is a common space-saving replacement. You must match the bore (100 mm), both strokes (150 mm and 200 mm), the rear double clevis (CB) mounting, and the PT1/2 port thread. The per-section force is identical to a standard SC100 cylinder, providing 3927 N of push at 0.5 MPa per section.
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