Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X70X60SN
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X70X60SN is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 70mm and 60mm give 4 controllable stop positions across a 130mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 170 mm
- Stroke 260 mm
- Total travel130 mm
- Positions4 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X70X60SN
The SCT80X70X60SN is a double-acting multi-position tandem cylinder that delivers four discrete rod stops: 0 mm (fully retracted), 70 mm, 60 mm, and 130 mm total travel. Each 80 mm bore section provides 2513 N of push force at 0.5 MPa, making it suitable for sorting or diverting tasks that require distinct, repeatable positions without complex servo controls.
This model includes a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors and uses NBR seals for standard temperature resilience. The 25 mm diameter rod and 28 mm adjustable air cushion at each end help manage end-of-stroke impact, while the tie-rod construction with a body length of 296 mm ensures robust alignment in multi-stop feeding systems.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X70X60SN Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X70X60SN |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 70 / 60 mm |
| Total travel | 130 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT3/8 |
| 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, 28 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) | 70 mm |
| P2 (section 2) | 60 mm |
| P3 (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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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 SCT80X70X60SN
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×70 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT80X70X60SN Is Used
4-Position Diverter Gate
Actuates a gate to four distinct positions for routing packages on a conveyor, using the 0, 70, 60, and 130 mm stops to direct items to different lanes.
Multi-Depth Pressing
Provides two pressing depths (70 mm and 60 mm) plus a combined 130 mm stroke for part ejection, allowing a single station to handle varied assembly steps.
Staged Part Transfer
Moves a workpiece through four precise locations in a pick-and-place sequence, using sensor feedback from the built-in magnet to confirm each stop position.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X70X60SN the Right Cylinder?
Choose the SCT80X70X60SN when your application needs four fixed stopping points from a single compact actuator, eliminating the complexity of two separate cylinders and external hard stops. If your load requires less force, stepping down to a 63 mm bore reduces per-section push to 1559 N at 0.5 MPa, while a step up to 100 mm bore increases it to 3927 N. For a direct replacement, match the 80 mm bore, both 70 mm and 60 mm strokes, PT port thread, basic mounting, and the -S magnet suffix. Since the combined stroke exceeds 130 mm, ensure the rod is adequately guided if significant side loads are present.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 70 + 60 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 SCT80X70X60SN FAQ
It provides four discrete rod positions: 0 mm (fully retracted), 70 mm (first section extended), 60 mm (second section extended), and 130 mm (both sections extended). The stops are fixed by the two stroke lengths and are not infinitely variable.
Yes, it can replace a setup with two individual cylinders and external stops if your process requires the specific 70 mm and 60 mm stroke positions. Ensure the replacement matches the 80 mm bore, PT threads, NBR seals, and the integrated magnet sensor option.
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