Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X40S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X40S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 40mm give 4 controllable stop positions across a 100mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 160 mm
- Stroke 240 mm
- Total travel100 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X40S
The SCT32X60X40S is a double-acting multi-position tandem cylinder that delivers four fixed rod positions from two independent piston sections on a common 12 mm rod. By pressurising the 60 mm section, the 40 mm section, or both, the rod stops precisely at 0, 60, 40, and 100 mm total travel. Each actuated section provides 402 N of push force at 0.5 MPa, giving predictable thrust for light sorting and diverting tasks.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for end-of-stroke or intermediate position confirmation. The 32 mm bore body has an A-length of 233 mm, PT1/8 ports, and a 21 mm adjustable air cushion at each end to decelerate the load smoothly. Operating pressure spans 0.15–1.0 MPa with TPU seals rated for -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X40S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X40S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 60 / 40 mm |
| Total travel | 100 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) | 60 mm |
| P2 (section 2) | 40 mm |
| P3 (both extended) | 100 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 SCT32X60X40S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×40 | 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 SCT32X60X40S Is Used
Two-Way Part Diverting
Use the four discrete stops to route small components to two separate conveyor lanes. The 0, 40, 60, and 100 mm positions act as precise gates for pneumatic sorting systems.
Multi-Depth Label Press
Apply labels at two different insertion depths on a packaging line. The 40 mm and 60 mm intermediate stops set shallow and deep press positions without mechanical hard stops.
Staged Clamping Fixture
Operate a two-stage clamp for assembly: a 40 mm rapid-approach stroke followed by a 60 mm high-force clamping stroke. The built-in magnet confirms each stage before the next cycle starts.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X60X40S the Right Cylinder?
Choose the SCT when your application needs two or more discrete mechanical stops without the complexity of servo control or multiple single-rod cylinders. This 32 mm bore suits compact machines where space is tight but four distinct positions are required. If you need higher force per section, step up to the 40 mm bore SCT40 series, which delivers 628 N push at 0.5 MPa. For replacement, match the bore (32 mm), both strokes (60 mm and 40 mm), PT port thread, basic mounting, and the -S magnet option to retain sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 40 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 SCT32X60X40S FAQ
This tandem cylinder provides four discrete rod positions: fully retracted (0 mm), first section extended (60 mm), second section extended (40 mm), and both sections extended for the total travel of 100 mm. The stops are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it often can. The SCT integrates two strokes on one common rod line, saving mounting space and eliminating the need to synchronise two separate cylinders. Ensure the replacement matches the 32 mm bore, both 60 mm and 40 mm strokes, PT ports, and the -S magnet if you use reed or solid-state sensors.
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