Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X200S
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 200mm give 4 controllable stop positions across a 250mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 150 mm
- Stroke 2200 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X200S
This SCT100X50X200S tandem cylinder provides four discrete rod positions: 0 mm, 50 mm, 200 mm, and 250 mm total extension. Each of its two piston sections delivers a push force of 3927 N at 0.5 MPa, scaling to 7068 N at the 0.9 MPa maximum operating pressure. The 25 mm diameter rod and 29 mm air cushion length ensure robust, end-of-stroke deceleration for heavy payloads.
A built-in magnet is integrated into the piston, allowing CMSG, DMSG, or EMSG sensors to be mounted directly on the tie-rod barrel for non-contact position sensing. The cylinder body length A(SCT) is 308 mm, and it uses a PT1/2 port with an M20x1.5 rod thread. This model is a genuine AirTAC solution for applications requiring a sequenced, multi-stop linear move from a single pneumatic unit.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X200S Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 50 / 200 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) | 50 mm |
| P2 (section 2) | 200 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 SCT100X50X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×50 | 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 SCT100X50X200S Is Used
Dual-Stop Part Diverting
Uses the 50 mm and 250 mm positions to route packages to two separate conveyor lanes from a single infeed point.
Two-Depth Press Insertion
Provides a 50 mm pre-insertion stop and a full 250 mm press depth, controlling the sequence with simple pneumatic valving.
Staged Clamping Fixture
Delivers a 200 mm rapid advance to the part, followed by a controlled 50 mm final clamping stroke, all from one cylinder body.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X50X200S the Right Cylinder?
Select this SCT model when a single actuator must serve two distinct extension points, such as a 50 mm pre-position and a 200 mm work stroke, without the complexity of two separate cylinders. If a higher force per section is needed, consider stepping up in bore, though the 100 mm is the largest in the SCT range. For a lighter, more compact solution, the 80 mm bore SCT80 series provides 2513 N of push per section at 0.5 MPa. A direct replacement must match the 100 mm bore, both the 50 mm and 200 mm strokes, the PT port thread, and the integrated magnet option. Because the second stroke reaches 200 mm, ensure the rod is adequately guided if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 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 SCT100X50X200S FAQ
The rod stops at four discrete locations: fully retracted (0 mm), the first section extended (50 mm), the second section extended (200 mm), and both sections extended for the total travel of 250 mm.
No, it cannot. The SCT is a double-acting cylinder and will drift if pressure is removed from a section. To hold a load at an intermediate stop without live pressure, you must add an external rod lock or a pilot-operated check valve.
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