Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 100mm and 150mm give 4 controllable stop positions across a 250mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1100 mm
- Stroke 2150 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150S
The SCT100X100X150S is a double-acting multi-position cylinder that delivers four fixed rod positions from its tandem piston design: fully retracted (0 mm), 100 mm, 150 mm, and the total extended travel of 250 mm. Each 100 mm bore section generates a substantial 3927 N of push force at 0.5 MPa, scaling up to 7068 N at the maximum operating pressure of 0.9 MPa, making it suitable for heavy-duty sorting or multi-stop material handling.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for non-contact position feedback. The cylinder uses a 25 mm diameter rod with M20x1.5 threads and PT 1/2 ports. Its robust tie-rod construction provides a body length A(SCT) of 308 mm with a 29 mm adjustable air cushion at each end for smooth deceleration.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 100 / 150 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) | 100 mm |
| P2 (section 2) | 150 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 SCT100X100X150S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×100 | Stroke 1 (section 1) in mm. |
| ×150 | 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 SCT100X100X150S Is Used
Multi-Stop Palletising
Commands four distinct vertical positions for a palletiser head, allowing layer-by-layer stacking without complex servo controls.
Dual-Depth Pressing
Provides two precise pressing depths (100 mm and 150 mm) plus a full 250 mm retract, ideal for two-stage forming or insertion operations.
Sorting Gate Actuation
Positions a diverter gate at four discrete angles to route packages to four separate conveyor lanes using simple pneumatic signals.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X100X150S the Right Cylinder?
This four-position actuator replaces setups that would otherwise require two separate 100 mm bore cylinders and external hard stops, simplifying plumbing and control logic. For applications needing higher force, consider that the 100 mm bore already provides the maximum push in the SCT range; if a lighter, more compact solution is acceptable, stepping down to an 80 mm bore (SCT80) reduces single-section push to 2513 N at 0.5 MPa. A direct replacement must match the 100 mm bore, both strokes (100 mm and 150 mm), PT port thread, basic mounting, and the -S magnet option. Given the 150 mm section stroke, ensure the rod is adequately guided if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 100 + 150 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 SCT100X100X150S FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 100 mm (section one extended), 150 mm (section two extended), and 250 mm (both sections extended, total travel).
The SCT integrates two piston sections on a single common rod, guaranteeing fixed, repeatable intermediate stops without the need for external brackets, alignment, or sequencing valves required by two separate cylinders. It simplifies assembly and reduces overall envelope size.
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