Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X160S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X160S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 75mm and 160mm give 4 controllable stop positions across a 235mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 175 mm
- Stroke 2160 mm
- Total travel235 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X160S
The SCT32X75X160S is a double-acting multi-position cylinder that delivers four fixed rod positions from two piston sections on a common rod line. With strokes of 75 mm and 160 mm, the reachable stops are 0 mm (fully retracted), 75 mm, 160 mm, and the total travel of 235 mm when both sections are pressurized. Each section provides a push force of 402 N at 0.5 MPa, driven through a 12 mm diameter rod.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position sensing. The 32 mm bore body has a PT1/8 port, an M10x1.25 rod thread, and a 21 mm adjustable air cushion at each end to manage deceleration. The compact body length A(SCT) is 233 mm, making it suitable for space-constrained multi-stop tasks where electronic feedback is required.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X160S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X160S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 75 / 160 mm |
| Total travel | 235 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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, 21 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) | 75 mm |
| P2 (section 2) | 160 mm |
| P3 (both extended) | 235 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCT32X75X160S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×75 | Stroke 1 (section 1) in mm. |
| ×160 | 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 SCT32X75X160S Is Used
Two-Stage Diverter Gate
Uses the 75 mm and 160 mm stops to direct parts to three separate conveyor lanes. The magnet sensors confirm each discrete position before the next cycle, ensuring reliable sorting without misalignment.
Multi-Depth Pressing Station
Provides two distinct pressing depths (75 mm and 160 mm) plus a full 235 mm retract for part loading. The sensor-equipped body verifies the tool is clear before the operator can initiate the next cycle.
Sequential Part Feeding
Advances a workpiece in two controlled steps: a 75 mm rough position and an 85 mm fine-pitch move (from 75 mm to 160 mm). The CMSG/DMSG sensors signal the PLC at each stop, coordinating with a pick-and-place unit.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X75X160S the Right Cylinder?
Choose the SCT32X75X160S when your application requires four discrete mechanical stops without the complexity of servo controls or multiple separate actuators. This tandem unit replaces two individual cylinders and external hard stops, simplifying plumbing and eliminating the need to synchronize two separate movements. The 75 mm and 160 mm strokes provide an asymmetric position pattern ideal for two-step feeding or sorting.
For a direct replacement, match the 32 mm bore, both strokes (75 mm and 160 mm), the PT port thread, and the integrated magnet (-S). If higher thrust is needed, step up to the SCT40 bore, which delivers 628 N of push force per section at 0.5 MPa. For applications with a stroke exceeding 300 mm in either section, consider external guide rods to protect the 12 mm rod from side-load deflection and bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 75 + 160 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 SCT32X75X160S FAQ
This cylinder provides four discrete mechanical stop positions: 0 mm (fully retracted), 75 mm (section one extended), 160 mm (section two extended), and 235 mm (both sections extended). The positions are fixed by the two stroke lengths and are selected by pressurizing the appropriate cylinder sections.
Yes, the SCT32X75X160S is designed to replace a pair of individual 32 mm bore cylinders with 75 mm and 160 mm strokes. It provides the same three extended positions on a single common rod, reducing mounting space and eliminating the need to synchronize two separate air circuits. Ensure the replacement matches the PT port and the -S magnet option if sensors are used.
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