Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X115X90
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X115X90 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 115mm and 90mm give 4 controllable stop positions across a 205mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1115 mm
- Stroke 290 mm
- Total travel205 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X115X90
The SCT32X115X90 is a 32 mm bore tandem cylinder that delivers four fixed rod positions by combining two independent piston sections on a common 12 mm rod. The reachable stops are 0 mm (fully retracted), 90 mm, 115 mm, and the total extended travel of 205 mm, selected by pressurising section one, section two, or both. Each section generates 402 N of push force at 0.5 MPa, rising to 724 N at the 0.9 MPa maximum operating pressure.
This tie-rod cylinder uses PT1/8 ports and an M10x1.25 rod thread, with a 21 mm adjustable air cushion at each end to decelerate the load. The body length A(SCT) is 233 mm, making it a compact solution for multi-stop sorting or diverting tasks where two separate cylinders would consume more space and require complex sequencing. It operates on filtered air at 0.15–1.0 MPa and tolerates ambient temperatures from -20 to +70 °C with its standard TPU seals.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X115X90 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X115X90 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 115 / 90 mm |
| Total travel | 205 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) | 115 mm |
| P2 (section 2) | 90 mm |
| P3 (both extended) | 205 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 SCT32X115X90
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×115 | Stroke 1 (section 1) in mm. |
| ×90 | 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 SCT32X115X90 Is Used
Four-Position Diverter Gate
Direct packages or parts to four separate conveyor lanes by stopping the rod at 0, 90, 115, or 205 mm, each aligning a chute or gate flap without needing a multi-axis servo.
Multi-Depth Pressing Station
Set two different pressing depths in a single cycle. The first section advances to a pre-press position at 90 mm, and the second section engages to reach the full 205 mm depth for final forming.
Staggered Part Feeding
Feed components at two different pitches on an inline transfer. The 115 mm and 90 mm strokes create an asymmetric advance-and-lift sequence that separates parts without an additional actuator.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X115X90 the Right Cylinder?
Choose the SCT32X115X90 when your application needs four distinct mechanical stops without electronic feedback or servo control. The tandem design eliminates the need to mount and synchronise two individual cylinders, reducing alignment errors and plumbing complexity. If your load requires more force, stepping up to the 40 mm bore SCT provides 628 N of push per section at 0.5 MPa. For a direct replacement, match the 32 mm bore, the exact 115 mm and 90 mm section strokes, PT port thread, and basic mounting style. A unit with a built-in magnet (suffix -S) is required if you plan to use CMSG or DMSG sensors for position confirmation.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 115 + 90 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 SCT32X115X90 FAQ
It provides four discrete mechanical stops: 0 mm (fully retracted), 90 mm (first section extended), 115 mm (second section extended), and 205 mm (both sections extended, giving the total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, the SCT32X115X90 is designed to replace two individually mounted 32 mm bore cylinders where you need three or four fixed stops on a single rod line. It shares the same rod diameter and port size as the SC32, but you must ensure your mounting arrangement accepts the longer SCT body length of 233 mm and the combined stroke of 205 mm.
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