Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 200mm and 200mm give 3 controllable stop positions across a 400mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1200 mm
- Stroke 2200 mm
- Total travel400 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X200S
The SCT63X200X200S is a double-acting multi-position cylinder that delivers three fixed rod positions: fully retracted (0 mm), 200 mm, and the combined 400 mm total travel. Each of its two 63 mm bore sections generates 1559 N of push force at 0.5 MPa, rising to 2805 N at the 0.9 MPa maximum operating pressure. The built-in magnet allows direct mounting of CMSG, DMSG, or EMSG sensors for reliable end-of-stroke or mid-position detection.
This tandem unit uses a 20 mm diameter piston rod with an M16x1.5 male thread and PT1/4 ports. Its tie-rod construction provides a rigid body with an A(SCT) length of 249 mm and a 28 mm adjustable air cushion in each section for smooth deceleration. The standard TPU seals suit ambient temperatures from -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 200 / 200 mm |
| Total travel | 400 mm |
| Stop positions | 3 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 200 mm |
| P2 (both extended) | 400 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 SCT63X200X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×200 | 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 SCT63X200X200S Is Used
3-Position Diverter Gate
Actuates a conveyor diverter to three fixed positions: home, mid-line for sorting to lane A, and fully extended for lane B, using the 0, 200, and 400 mm stops.
Two-Stage Clamping Fixture
Provides a low-force 200 mm pre-clamp stroke followed by a full 400 mm high-force clamping position, controlled by pressurising one or both cylinder sections.
Multi-Depth Pressing
Offers two distinct pressing depths (200 mm and 400 mm) from a single retracted home position, ideal for two-step forming or insertion operations.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X200X200S the Right Cylinder?
Choose this SCT when a single actuator must reliably stop at three preset locations without the complexity of two separate cylinders and external hard stops. The 200 mm per section stroke keeps the assembly compact while providing a useful 400 mm total reach. If higher force is needed, the SCT80X200X200S offers 2513 N push per section at 0.5 MPa; for a lighter load, the SCT50X200X200S provides 982 N.
For a direct replacement, match the 63 mm bore, both 200 mm strokes, PT port thread, basic mounting style, and the -S magnet option. With a total travel of 400 mm, ensure the rod is guided if the load applies significant side force, as the extended length can amplify bending moments.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 200 + 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 SCT63X200X200S FAQ
It provides 3 distinct mechanical stop positions because both section strokes are equal at 200 mm. The rod positions are 0 mm (fully retracted), 200 mm (first section extended), and 400 mm (both sections extended for total travel).
It is a direct replacement for an AirTAC SCT of the same 63 mm bore, with both strokes set to 200 mm, PT port threads, basic mounting, and the -S magnetic piston option. Always verify the port size, rod thread (M16x1.5), and total envelope length (A(SCT) 249 mm) match your installation.
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