Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X300X75
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X300X75 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 300mm and 75mm give 4 controllable stop positions across a 375mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1300 mm
- Stroke 275 mm
- Total travel375 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X300X75
The SCT32X300X75 tandem cylinder delivers four fixed rod positions—0 mm, 75 mm, 300 mm, and the full 375 mm extension—by pressurizing its two 32 mm bore sections independently or together. Each section generates 402 N of push force at 0.5 MPa, rising to 724 N at the maximum operating pressure of 0.9 MPa, driven through a 12 mm diameter piston rod.
This tie-rod design integrates adjustable air cushioning with a 21 mm cushion length to manage end-of-stroke deceleration across both sections. The body length A(SCT) is 233 mm, and the PT1/8 ports with M10x1.25 rod threads keep the package compact for space-constrained multi-stop tasks.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X300X75 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X300X75 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 300 / 75 mm |
| Total travel | 375 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) | 300 mm |
| P2 (section 2) | 75 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 (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 SCT32X300X75
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×300 | Stroke 1 (section 1) in mm. |
| ×75 | 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 SCT32X300X75 Is Used
Two-Stage Diverter Gate
Actuates a product gate to three positions: closed (0 mm), partial divert to lane A (75 mm), and full divert to lane B (375 mm), using the 300 mm stroke for the primary lane change.
Multi-Depth Labeling Press
Applies labels at two different insertion depths on a single part. The 75 mm stroke sets a shallow tack, while the combined 375 mm stroke completes a deep-seat press for varied packaging profiles.
Sequential Part Staging
Feeds components through a three-step assembly station. Retracted (0 mm) for loading, 75 mm for adhesive application, and 375 mm for final insertion, all from one compact tandem unit.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X300X75 the Right Cylinder?
Choose the SCT32X300X75 when your application needs a lightweight actuator to index between four distinct mechanical positions without the complexity of two separate cylinders and external hard stops. The 300 mm section stroke is substantial for a 32 mm bore; for strokes over 300 mm, verify side-loading conditions and consider adding an external guide rail to prevent rod bending, as the 12 mm rod is slender under cantilevered loads. If higher force is needed, stepping up to the 40 mm bore SCT provides 628 N push per section at 0.5 MPa. For a direct replacement, match the 32 mm bore, both the 300 mm and 75 mm strokes, PT port thread, and basic mounting configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 300 + 75 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 SCT32X300X75 FAQ
This model provides four discrete mechanical stops: 0 mm (fully retracted), 75 mm (section two extended), 300 mm (section one extended), and 375 mm (both sections extended simultaneously).
Each 32 mm piston section independently produces 402 N push and 345 N pull at 0.5 MPa. The force does not double when both sections are pressurized; you get the single-section force value at whichever stop is selected.
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Standard models usually ship in 3-4 days.
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