Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X35X150S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X35X150S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 35mm and 150mm give 4 controllable stop positions across a 185mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 135 mm
- Stroke 2150 mm
- Total travel185 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X35X150S
The SCT32X35X150S is a tandem multi-position cylinder that delivers four fixed rod positions—0 mm, 35 mm, 150 mm, and the combined 185 mm total travel—by pressurising its two piston sections independently. With a 12 mm diameter rod and PT1/8 ports, it provides a push force of 402 N per actuated section at 0.5 MPa, scaling to 724 N at the maximum operating pressure of 0.9 MPa.
This model includes a built-in magnet, allowing easy attachment of CMSG, DMSG, or EMSG sensors directly to the tie-rod barrel for non-contact position sensing. The adjustable air cushion at each end (21 mm length) ensures smooth deceleration, making it a reliable choice for light sorting or diverting tasks where multiple stop points are needed without complex controls.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X35X150S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X35X150S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 35 / 150 mm |
| Total travel | 185 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) | 35 mm |
| P2 (section 2) | 150 mm |
| P3 (both extended) | 185 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 SCT32X35X150S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×35 | 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 SCT32X35X150S Is Used
Multi-Chute Sorting
Directs packages to three different conveyor lanes by stopping the rod at 0 mm, 35 mm, and 150 mm, using the fourth position for a reject bin.
Two-Depth Labeling
Applies labels at two different heights on a product. The 35 mm stroke handles shallow recesses, while the 150 mm stroke reaches deep-set surfaces.
Staged Part Ejection
Ejects parts from a die in two stages: a short 35 mm push to break the part free, followed by a full 150 mm extension to clear the tooling area.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X35X150S the Right Cylinder?
Choose this 32 mm bore SCT when your application requires four distinct linear positions in a compact envelope, eliminating the need for two separate cylinders and their mounting hardware. If your load demands higher force, stepping up to the 40 mm bore provides 628 N of push per section at 0.5 MPa. For replacement, ensure the match is exact: an AirTAC SCT32 with both 35 mm and 150 mm strokes, PT port thread, and the -S magnet option for sensor compatibility.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 35 + 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 SCT32X35X150S FAQ
It provides four discrete mechanical stop positions: fully retracted (0 mm), the first section extended (35 mm), the second section extended (150 mm), and both sections extended for the total travel of 185 mm.
Yes, it is designed to replace two separate cylinders in a tandem setup. The replacement must be an AirTAC SCT with a 32 mm bore, 35 mm and 150 mm strokes, PT ports, and a built-in magnet (S suffix) to match the original sensor configuration.
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