
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X200X100 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 200mm and 100mm give 4 controllable stop positions across a 300mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
The SCT32X200X100 is a double-acting tandem cylinder that delivers four fixed rod positions from two independent piston sections. With strokes of 200 mm and 100 mm, the rod can be precisely located at 0 mm (fully retracted), 100 mm, 200 mm, or the full combined travel of 300 mm by pressurizing the sections individually or together.
Each 32 mm bore section generates 402 N of push force at 0.5 MPa, using a 12 mm diameter piston rod with an M10x1.25 thread. The body length A(SCT) is 233 mm, and the cylinder features a 21 mm adjustable air cushion on both sections for smooth deceleration. Operating pressure ranges from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa.
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X200X100 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 200 / 100 mm |
| Total travel | 300 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) | 200 mm |
| P2 (section 2) | 100 mm |
| P3 (both extended) | 300 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). |
| ×200 | Stroke 1 (section 1) in mm. |
| ×100 | 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.
Positions the rod at 0, 100, 200, or 300 mm to direct parts into three separate chutes or conveyor lanes, replacing two standard cylinders and a mechanical stop.
Provides a shallow press depth at 100 mm stroke and a deep press at the full 300 mm travel, with a safe retracted home position at 0 mm for part loading.
Acts as a pneumatic escapement with four precise stop positions to stage and release components sequentially onto an assembly line, controlled by simple 5/3 valves.
Choose the SCT32X200X100 when your application requires four distinct mechanical stops without the complexity of servo control or multiple separate cylinders. This tandem unit saves space and simplifies plumbing compared to installing two individual SC32 cylinders with external hard stops. If higher force is needed, consider stepping up to the SCT40 bore, 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 the 200 mm and 100 mm section strokes, PT port thread, and basic mounting configuration. The 200 mm stroke section is long enough that side-loading should be minimized; ensure the load is guided externally to prevent rod bending and premature seal wear.
Multi-position checklist
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 100 mm (second section extended), 200 mm (first section extended), and 300 mm (both sections extended, total travel). The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, the SCT32X200X100 is designed to replace two individual SC32 cylinders with strokes of 200 mm and 100 mm in a back-to-back configuration. It provides the same four-position functionality in a single, compact body. Ensure the replacement matches the 32 mm bore, PT ports, and basic mounting.
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