
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 10mm give 4 controllable stop positions across a 60mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
The SCT32X50X10S tandem cylinder delivers four fixed rod positions—0 mm, 10 mm, 50 mm, and the combined 60 mm total travel—from a single compact tie-rod body. Each 32 mm bore piston section generates 402 N of push force at 0.5 MPa (724 N at the maximum 0.9 MPa operating pressure), driven by a 12 mm diameter rod with M10x1.25 threads.
A built-in magnet is integrated into the piston, allowing CMSG, DMSG, or EMSG sensors to clamp directly onto the barrel for non-contact position sensing at any of the four stops. The cylinder uses PT1/8 ports, has a 21 mm adjustable air cushion, and a body length A of 233 mm, making it a genuine AirTAC solution for compact multi-stop tasks.
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 10 mm |
| Total travel | 60 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) | 50 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 60 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). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×10 | 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.
Uses the 10 mm and 50 mm stops to divert parts to two different chutes from a single conveyor lane, with the 60 mm total travel providing a third bypass position.
Applies a light 10 mm tack stroke followed by a full 50 mm press stroke, with the combined 60 mm stroke used for clearing thicker substrates.
Positions a test probe at 10 mm for pre-check, 50 mm for main measurement, and 60 mm for retraction, with the 0 mm home position for safe idle.
Choose this 4-position model when your sequence needs two different short extension lengths (10 mm and 50 mm) plus a combined 60 mm reach from one unit, eliminating the cost and plumbing of two separate cylinders. If higher force is needed, step up to the 40 mm bore SCT40 series, which provides 628 N of push per section at the same 0.5 MPa pressure. For direct replacement, match the 32 mm bore, both 50 mm and 10 mm strokes, PT port thread, basic mounting, and the -S magnet option exactly.
Multi-position checklist
It provides four discrete mechanical stops: 0 mm (fully retracted), 10 mm (section 2 extended), 50 mm (section 1 extended), and 60 mm (both sections extended). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
No, the SCT32X50X10S does not have a mechanical lock or brake. If air pressure is lost or the valve is centered, the piston can drift. An external rod brake or pilot-operated check valve is required to hold a load at any intermediate position without live pressure.
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