Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X600X50SH
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X600X50SH is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 600mm and 50mm give 4 controllable stop positions across a 650mm total travel, with a Ø100mm bore, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Stroke 1600 mm
- Stroke 250 mm
- Total travel650 mm
- Positions4 stops
- Port sizePT1/2
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X600X50SH
The SCT100X600X50SH is a tandem multi-position pneumatic cylinder that provides four fixed rod positions: 0 mm (fully retracted), 600 mm (first section extended), 50 mm (second section extended), and 650 mm (both sections extended). Each piston section generates a push force of 3927 N at 0.5 MPa, scaling up to 7068 N at the maximum operating pressure of 0.9 MPa, driven through a robust 25 mm diameter rod.
Engineered for high-temperature environments, the 'H' suffix denotes Viton (FKM) seals, extending the operating range from 0 to +150 °C. The integrated magnet ('S') allows direct mounting of CMSG, DMSG, or EMSG sensors for precise end-of-stroke detection. With a non-standard 600 mm first stroke, this cylinder has a body length A of 308 mm plus strokes, making it suitable for long-reach, multi-stop material handling where heat resistance is critical.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X600X50SH Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X600X50SH |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke 1 / Stroke 2 | 600 / 50 mm |
| Total travel | 650 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). This configuration exceeds the 500 mm standard section stroke, so it is a non-standard / made-to-order build. 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) | 600 mm |
| P2 (section 2) | 50 mm |
| P3 (both extended) | 650 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 SCT100X600X50SH
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm (SCT range 32–100). |
| ×600 | Stroke 1 (section 1) in mm. |
| ×50 | 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 SCT100X600X50SH Is Used
High-Temp Diverter Gate
Selects between two conveyor lanes in ovens or drying tunnels. The long 600 mm stroke moves a gate across a wide belt, while the 50 mm stroke provides a secondary divert position, all withstanding 150 °C ambient heat.
Two-Stage Hot Press
Executes a rapid 600 mm advance to a pre-press position, then a controlled 50 mm power stroke for final forming. The Viton seals ensure reliability with heated platens, and the magnet confirms each stage.
Furnace Door Sequencing
Operates a two-leaf furnace door. The first 600 mm stroke fully retracts the main door, and the 50 mm stroke independently controls a smaller viewport or secondary damper, using sensor feedback for safe sequencing.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT100X600X50SH the Right Cylinder?
Select the SCT100X600X50SH when an application requires four discrete linear positions with a long primary reach and a short secondary stop, eliminating the complexity of two separate cylinders and external stops. The 100 mm bore provides a substantial 3927 N of push force per section at 0.5 MPa; if a lighter force profile is acceptable, consider stepping down to an 80 mm bore model like the SCT80, which delivers 2513 N per section. For replacement, match the 100 mm bore, both 600 mm and 50 mm strokes, PT port thread, and ensure the replacement carries the 'S' magnet and 'H' high-temperature seal suffix. Given the 600 mm stroke exceeds the 500 mm standard, this is a made-to-order item, and external guides are strongly recommended to prevent rod buckling under side loads.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 600 + 50 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 SCT100X600X50SH FAQ
This tandem cylinder provides four discrete mechanical stops. The rod positions are 0 mm (fully retracted), 600 mm (first section extended), 50 mm (second section extended), and 650 mm (both sections extended for total travel).
No, like all standard pneumatic cylinders, the SCT100X600X50SH will not hold a load if air pressure is lost or the valve centers. The air cushion only decelerates the piston at end-of-stroke. To lock the load at a specific position, you must add an external mechanical rod brake or a pilot-operated check valve.
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