
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X10X75 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 10mm and 75mm give 4 controllable stop positions across a 85mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
The SCT32X10X75 is a double-acting tandem cylinder delivering four fixed rod positions: fully retracted (0 mm), 10 mm, 75 mm, and the combined 85 mm total travel. Each 32 mm bore section provides 402 N of push force at 0.5 MPa, making it suitable for light-duty sorting or diverting tasks where two distinct extended stops are required.
Built on a tie-rod body with a 12 mm diameter piston rod and M10x1.25 rod thread, this cylinder includes a 21 mm adjustable air cushion in each section to manage end-of-stroke deceleration. The PT1/8 ports and standard TPU seals suit filtered-air systems operating between -20 and +70 °C.
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X10X75 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 10 / 75 mm |
| Total travel | 85 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) | 10 mm |
| P2 (section 2) | 75 mm |
| P3 (both extended) | 85 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). |
| ×10 | Stroke 1 (section 1) in mm. |
| ×75 | 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 10 mm stroke to nudge a part onto a bypass lane and the 75 mm stroke to push it fully onto a reject conveyor, all from one compact actuator.
Apply a label at a 10 mm standoff distance for flat products, then extend to 75 mm to reach into a recessed cavity on the next product in the line.
Operate a small gate with three open positions: closed (0 mm), partially open at 10 mm for small items, and fully open at 75 or 85 mm for larger components.
Choose this four-position SCT when an application needs two separate, fixed extension points without the complexity of two individual cylinders and external hard stops. The 10 mm and 75 mm strokes give a short precise move and a longer feed stroke from a single unit. If higher force is needed, stepping up to the 40 mm bore provides 628 N of push per section at the same 0.5 MPa pressure. For direct replacement, match the 32 mm bore, both the 10 mm and 75 mm strokes, PT port thread, and basic mounting configuration.
Multi-position checklist
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 10 mm, 75 mm, and 85 mm (10+75 mm total travel). The stops are fixed by the two stroke sections and are not infinitely adjustable.
The SCT32X10X75 integrates both strokes into one tie-rod body on a common rod line, saving space and eliminating the need to synchronize two separate actuators. It provides the same 402 N push force per actuated section at 0.5 MPa as a standard SC32 cylinder.
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