Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X175X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X175X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 175mm and 200mm give 4 controllable stop positions across a 375mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1175 mm
- Stroke 2200 mm
- Total travel375 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X175X200S
The SCT63X175X200S delivers four discrete rod positions—0, 175, 200, and 375 mm—by combining two piston sections in one tie-rod body. Each section generates 1559 N of push force at 0.5 MPa, so the actuator can handle moderate transfer and sorting tasks without needing two separate cylinders.
A built-in magnet (the -S suffix) lets you mount CMSG, DMSG, or EMSG sensors directly on the barrel for end-of-stroke or mid-position confirmation. The 20 mm rod, PT1/4 ports, and 28 mm air cushion at each end support smooth deceleration across the full 30-800 mm/s speed range.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X175X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X175X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 175 / 200 mm |
| Total travel | 375 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 28 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) | 175 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 375 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 SCT63X175X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×175 | 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 SCT63X175X200S Is Used
4-Position Diverter Gate
Direct packages to four separate conveyor lanes by pressurising section one, section two, or both, achieving the 0, 175, 200, and 375 mm stop points.
Two-Depth Clamping Fixture
Clamp a part at a shallow 175 mm engagement for drilling, then extend to the full 375 mm position for a deeper milling operation, all with one compact tandem cylinder.
Multi-Stop Pusher
Push workpieces to three distinct stations along a linear track. The 200 mm stroke advances the part, and the combined 375 mm stroke moves it to the final position.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X175X200S the Right Cylinder?
Choose the SCT63 when a single 63 mm bore SC cylinder cannot provide the required number of fixed stops. If your load demands more force, stepping up to the 80 mm bore gives 2513 N push per section at 0.5 MPa; for a lighter, more compact machine, the 50 mm bore offers 982 N. To replace this unit, match the 63 mm bore, both strokes (175 and 200 mm), PT port thread, basic mounting, and the -S magnet option—an SCT63X175X200S from another supplier will not have the same sensor compatibility unless it carries the factory magnet.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 175 + 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 SCT63X175X200S FAQ
The four rod positions are 0 mm (fully retracted), 175 mm (first section extended), 200 mm (second section extended), and 375 mm (both sections extended). The stops are fixed by the two stroke lengths and are not infinitely adjustable.
The SCT63X175X200S integrates both strokes into one tie-rod assembly, which saves space and simplifies mounting compared to two individual cylinders with external brackets. It also provides a single, rigid rod line, reducing alignment complexity.
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