Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 150mm and 200mm give 4 controllable stop positions across a 350mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1150 mm
- Stroke 2200 mm
- Total travel350 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X200S
The SCT32X150X200S is a double-acting multi-position tandem cylinder that provides four distinct rod positions: fully retracted (0 mm), 150 mm, 200 mm, and the total extended travel of 350 mm. By pressurising the two piston sections independently or together, it achieves fixed intermediate stops without external hardware. Each section delivers a push force of 402 N at 0.5 MPa, driven through a 12 mm diameter piston rod.
This model includes a built-in magnet, allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for reliable end-of-stroke or intermediate position sensing. The cylinder body has an A-length of 233 mm, and its PT1/8 ports are standard. With a 21 mm adjustable air cushion in each section, it decelerates loads smoothly across the full 30-800 mm/s speed range.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 150 / 200 mm |
| Total travel | 350 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) | 150 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 350 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 SCT32X150X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×150 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT32X150X200S Is Used
Two-Lane Diverter Gate
Operates a gate with three positions—closed, divert to lane A (150 mm), and divert to lane B (200 mm)—using simple pneumatic valves to select the active piston section.
Multi-Depth Stop-Pin Location
Provides a locating pin with four discrete depths (0, 150, 200, 350 mm) for pallet or workpiece fixturing, ensuring repeatable placement without manual adjustment.
Staged Part Transfer
Pushes parts in two controlled steps: a 150 mm primary advance and a 50 mm secondary push (200 mm total from retracted) to precisely stage components for a pick-and-place head.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X150X200S the Right Cylinder?
Choose the SCT32X150X200S when your application needs four fixed mechanical stops without the complexity of servo controls or multiple individual cylinders. It is a compact alternative to using two separate 32 mm bore cylinders with external brackets and flow controls to create a 3- or 4-position station. For higher force requirements at the same positions, step up to the 40 mm bore SCT40 series, which provides 628 N of push per section at 0.5 MPa.
As a direct replacement, match the 32 mm bore, the exact 150 mm and 200 mm section strokes, PT port thread, and the built-in magnet. Since the total extended length reaches 350 mm, ensure the rod is adequately guided if side loads are present, particularly when one section is fully extended while the other is retracted.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 150 + 200 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 SCT32X150X200S FAQ
It provides four discrete mechanical stop positions: 0 mm (fully retracted), 150 mm (first section extended), 200 mm (second section extended), and 350 mm (both sections extended). These are fixed by the cylinder's construction and are not infinitely adjustable.
No, the SCT32X150X200S does not have a mechanical locking or holding brake. If air pressure is exhausted or lost, the piston rod can drift or drop under load. To securely hold a position without live pressure, you must add an external rod lock or a pilot-operated check valve in the circuit.
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