Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 41mm and 48mm give 4 controllable stop positions across a 89mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 141 mm
- Stroke 248 mm
- Total travel89 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH
The SCT63X41X48SH is a tie-rod multi-position cylinder that delivers four discrete rod stops—0 mm, 41 mm, 48 mm, and the combined 89 mm total travel—by pressurising its two tandem piston sections independently or together. Each 63 mm bore section generates 1559 N of push force at 0.5 MPa (2182 N at 0.7 MPa), driven through a 20 mm diameter hard-chrome rod with M16x1.5 male threads.
Built with a factory-installed magnet for direct mounting of CMSG/DMSG/EMSG sensors and high-temperature Viton (FKM) seals, this cylinder operates reliably in ambient temperatures from 0 to +150 °C. The adjustable air cushion at each end (28 mm cushion length) decelerates the load smoothly, while the 249 mm body length A(SCT) keeps the assembly compact for hot-environment sorting or diverting stations.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 41 / 48 mm |
| Total travel | 89 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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) | 41 mm |
| P2 (section 2) | 48 mm |
| P3 (both extended) | 89 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×41 | Stroke 1 (section 1) in mm. |
| ×48 | 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH Is Used
Two-Depth Hot Pressing
The 41 mm and 48 mm strokes give two closely spaced pressing depths plus full retract and full extend, ideal for heated platen presses where Viton seals handle the sustained 150 °C environment.
Four-Way Diverter Gate
Use the four discrete positions to route parts to four separate chutes or conveyors. The built-in magnet lets sensors confirm each stop position for reliable sortation control.
Multi-Stop Component Feeder
Index a workpiece through three processing stations (0 mm, 41 mm, 89 mm) with an intermediate inspection stop at 48 mm. The 28 mm air cushion protects the load at each end of travel.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH the Right Cylinder?
Choose the SCT63X41X48SH when a single actuator must index a load to four fixed positions without the complexity of two separate cylinders and external hard stops. The 41 mm and 48 mm strokes create closely spaced stops ideal for fine-pitch diverting or two-depth pressing. If the per-section push force of 1559 N at 0.5 MPa is insufficient, stepping up to the 80 mm bore (2513 N push at 0.5 MPa) provides additional thrust while retaining the same multi-position logic.
For replacement, match the 63 mm bore, both strokes (41 mm and 48 mm), PT port thread, the built-in magnet (-S suffix), and the Viton seal (-H suffix). This model uses the basic mounting configuration; if your application requires pivoting or panel mounting, add an FA, FB, CA, CB, or LB bracket from the SCT accessory set.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 41 + 48 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 SCT32-63 Multi-Position Tandem Air Cylinder SCT63X41X48SH FAQ
It provides four distinct rod positions: 0 mm (fully retracted), 41 mm (section one extended), 48 mm (section two extended), and 89 mm (both sections extended for total travel). The stops are fixed and discrete, selected by pressurising the two piston sections individually or together.
Yes, if your application needs four fixed stops at 0, 41, 48, and 89 mm. The SCT63X41X48SH consolidates two stroke actions into one tandem body, reducing mounting space and eliminating the need to synchronise two separate actuators. Ensure the replacement matches the 63 mm bore, both stroke lengths, PT ports, magnet sensor option, and Viton high-temperature seal.
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