Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X150S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X150S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 150mm give 4 controllable stop positions across a 200mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 150 mm
- Stroke 2150 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X150S
The SCT32X50X150S is a double-acting tandem cylinder that delivers four discrete rod positions—0 mm, 50 mm, 150 mm, and the full 200 mm extension—from a single compact unit. With a 12 mm diameter rod and PT1/8 ports, it provides 402 N of push force per actuated section at 0.5 MPa, scaling to 724 N at the maximum 0.9 MPa operating pressure.
An integrated magnet allows direct mounting of CMSG, DMSG, or EMSG sensors for reliable, non-contact position feedback at every stop. The 21 mm adjustable air cushion in each section decelerates the piston smoothly, and the 233 mm body length (A dimension) keeps the assembly footprint predictable for machine layout.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X150S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X150S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 50 / 150 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.
Stop Positions (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 50 mm |
| P2 (section 2) | 150 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.
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 SCT32X50X150S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×150 | 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 SCT32X50X150S Is Used
Two-Way Part Diverting
Uses the 50 mm and 200 mm positions to direct parts down two separate chutes from a single conveyor lane, with sensor confirmation at each stop via the built-in magnet.
Multi-Depth Insertion
Drives a tool to three distinct depths—50 mm, 150 mm, and 200 mm—for assembling components with stepped bores, eliminating manual depth adjustments.
Staged Clamping
Applies a light pre-clamp at the 150 mm stroke before final full-force clamping at 200 mm, protecting delicate workpieces during the initial contact phase.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X50X150S the Right Cylinder?
This four-stop actuator replaces two separate cylinders and external hard stops in diverting or multi-depth insertion tasks, reducing plumbing and mounting complexity. If higher force is needed, stepping to the 40 mm bore SCT40X50X150S provides 628 N of push per section at 0.5 MPa. For drop-in replacement, match the 32 mm bore, both 50 mm and 150 mm section strokes, the PT port thread, the basic mounting configuration, and the -S magnet option.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 150 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 SCT32X50X150S FAQ
This tandem cylinder provides four distinct rod positions: fully retracted (0 mm), first section extended (50 mm), second section extended (150 mm), and both sections extended for the total travel (200 mm). The stops are fixed by the two stroke lengths and are not infinitely adjustable.
The SCT combines two piston sections on a single common rod, giving you four precise mechanical stops without the need for external brackets, alignment of two separate cylinder bodies, or additional flow controls to synchronise them. It saves space and simplifies the pneumatic circuit, though the per-section thrust (402 N at 0.5 MPa) remains the same as a single standard SC32 cylinder.
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