Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X75X100
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X75X100 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 75mm and 100mm give 4 controllable stop positions across a 175mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 175 mm
- Stroke 2100 mm
- Total travel175 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X75X100
The SCT63X75X100 is a double-acting multi-position tandem cylinder that provides four fixed rod positions: fully retracted (0 mm), 75 mm, 100 mm, and the total extended travel of 175 mm. Each of its two 63 mm bore piston sections generates 1559 N of push force at 0.5 MPa, making it a robust solution for tasks requiring multiple, repeatable stop points without complex servo controls.
Built on a durable tie-rod construction with a 20 mm rod and M16x1.5 rod thread, this cylinder includes an adjustable air cushion (28 mm length) for smooth end-of-stroke deceleration. The PT1/4 ports and standard TPU seals suit operating temperatures from -20 to +70 °C, ensuring reliable performance in general industrial environments.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X75X100 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X75X100 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 75 / 100 mm |
| Total travel | 175 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) | 75 mm |
| P2 (section 2) | 100 mm |
| P3 (both extended) | 175 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 SCT63X75X100
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×75 | Stroke 1 (section 1) in mm. |
| ×100 | 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 SCT63X75X100 Is Used
Four-Position Sorting Gate
Direct packages or parts to four distinct lanes by pressurizing the cylinder sections individually or together, achieving precise 0, 75, 100, and 175 mm gate positions for flexible routing.
Two-Depth Pressing Station
Perform a primary press at the 75 mm stroke and a secondary, deeper press at the full 175 mm extension, with a safe intermediate retract position at 100 mm for part inspection or rotation.
Multi-Stop Part Feeding
Advance components along a fixture with three distinct feed lengths. The 75 mm and 100 mm strokes provide two different push distances, combinable for a full 175 mm index.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X75X100 the Right Cylinder?
Select the SCT tandem cylinder when your application needs up to four distinct mechanical stops from a single pneumatic unit, avoiding the complexity and cost of two separate cylinders with external hard stops. The 63 mm bore provides 1559 N of push force per section at 0.5 MPa; if higher force is needed, consider stepping up to the 80 mm bore which offers 2513 N per section. For a lighter, more compact design, the 50 mm bore delivers 982 N.
As a direct replacement, match the 63 mm bore, both the 75 mm and 100 mm strokes, PT port thread, and basic mounting configuration. Given the combined 175 mm total travel, ensure the rod is adequately guided if significant side loads are present to prevent bending and premature seal wear.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 75 + 100 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 SCT63X75X100 FAQ
This tandem cylinder provides four distinct mechanical stop positions: 0 mm (fully retracted), 75 mm (section 1 extended), 100 mm (section 2 extended), and 175 mm (both sections extended). The positions are fixed by the two stroke lengths.
Each of the two 63 mm bore piston sections produces 1559 N of push force and 1402 N of pull force when operated at 0.5 MPa. The force from one section does not add to the other; each section provides this force independently at its respective stroke position.
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