Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X65X65
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X65X65 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 65mm and 65mm give 3 controllable stop positions across a 130mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 165 mm
- Stroke 265 mm
- Total travel130 mm
- Positions3 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X65X65
The SCT100X65X65 is a double-acting multi-position tandem cylinder that provides three fixed rod positions: fully retracted (0 mm), extended to the first stroke (65 mm), and fully extended to the combined stroke (130 mm). Each of the two 65 mm stroke sections delivers a push force of 3927 N at 0.5 MPa, rising to 7068 N at the maximum operating pressure of 0.9 MPa, driven through a substantial 25 mm diameter piston rod.
This model uses a tie-rod construction with a 308 mm body length (A dimension) and features a 29 mm adjustable pneumatic cushion at each end for smooth deceleration. Standard PT1/2 ports and an M20x1.5 rod thread are included. The default TPU seals suit a standard operating temperature range of -20 to +70 °C.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X65X65 Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X65X65 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 65 / 65 mm |
| Total travel | 130 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 65 mm |
| P2 (both extended) | 130 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 SCT100X65X65
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×65 | Stroke 1 (section 1) in mm. |
| ×65 | 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 SCT100X65X65 Is Used
Two-Stage Sorting Gate
Uses the 65 mm and 130 mm positions to divert packages of different heights onto two separate conveyor lanes from a single infeed point.
Dual-Pressure Clamping
Applies a light 65 mm stroke for part location, then a full 130 mm stroke with 7068 N of force for the final press operation.
Multi-Depth Assembly Stop
Provides a precise mid-stroke stop at 65 mm for inserting a first component, followed by a full insertion at 130 mm, all from one actuator.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X65X65 the Right Cylinder?
This 100 mm bore tandem cylinder is a space-efficient alternative to coupling two separate standard cylinders to achieve three discrete stop positions. If your application requires higher force, this is the largest bore in the SCT range; for a lighter, more compact solution, consider stepping down to the 80 mm bore, which provides 2513 N of push force per section at 0.5 MPa. To ensure a direct drop-in replacement, match the 100 mm bore, both 65 mm strokes, PT port thread, and basic mounting configuration exactly.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 65 + 65 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 SCT100X65X65 FAQ
This model provides 3 discrete mechanical stops: 0 mm (fully retracted), 65 mm (first section extended), and 130 mm (both sections extended). Because the two strokes are equal, the mid-position is exactly halfway.
Each of the two piston sections generates 3927 N of push force when supplied with 0.5 MPa of air pressure. The pull force on retraction is 3681 N per section. These forces do not add together for a combined total.
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