
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X110X90S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 110mm and 90mm give 4 controllable stop positions across a 200mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
The SCT32X110X90S is a double-acting multi-position tandem cylinder that delivers four discrete rod stops: 0 mm, 110 mm, 90 mm, and the full 200 mm total extension. Each 32 mm bore section produces a push force of 402 N at 0.5 MPa, making it a compact solution for light-duty sorting or diverting tasks where two different mid-stroke positions are required.
This model is factory-equipped with a built-in magnet (-S), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for non-contact position feedback. The 12 mm diameter piston rod and 21 mm air cushion at each end provide smooth deceleration, while the PT1/8 port threads keep it compatible with standard pneumatic fittings.
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X110X90S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 110 / 90 mm |
| Total travel | 200 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.
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 110 mm |
| P2 (section 2) | 90 mm |
| P3 (both extended) | 200 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.
| 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.
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×110 | 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.
Use the 110 mm and 90 mm extensions to guide parts to two different conveyor lanes from a single retracted home position, simplifying actuator count.
Achieve a short push at 90 mm and a longer push at 110 mm for indexing or stacking operations, all from one compact pneumatic unit.
Control two different insertion or pressing depths in a light assembly fixture, using the discrete stops for consistent, repeatable positioning.
Choose the SCT tandem cylinder when a single actuator must reach two distinct intermediate stops without the complexity of two separate cylinders and external hard stops. The 110 mm and 90 mm strokes create four unique positions for multi-step feeding or gate control. If your application requires higher force, consider stepping up to the 40 mm bore SCT, which provides 628 N of push per section at the same 0.5 MPa pressure. For a direct replacement, match the 32 mm bore, both strokes (110 mm and 90 mm), PT port thread, basic mounting, and the -S magnet option.
Multi-position checklist
It provides four discrete mechanical stops: fully retracted (0 mm), first section extended (110 mm), second section extended (90 mm), and both sections extended for the total travel of 200 mm.
Yes. The -S suffix indicates a built-in magnet, so you can directly clamp CMSG reed switches or DMSG/EMSG solid-state sensors onto the cylinder's tie-rods to detect each of the four positions.
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