Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X35X465S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X35X465S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 35mm and 465mm give 4 controllable stop positions across a 500mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 135 mm
- Stroke 2465 mm
- Total travel500 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X35X465S
The SCT50X35X465S is a multi-position tandem cylinder that delivers four fixed rod positions: fully retracted (0 mm), 35 mm, 465 mm, and the combined total travel of 500 mm. Each of its two 50 mm bore sections generates 982 N of push force at 0.5 MPa, rising to 1767 N at the 0.9 MPa maximum operating pressure, making it suitable for sequenced clamping or multi-stage feeding tasks where distinct stop points are essential.
This model features a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for non-contact position feedback. The 20 mm diameter piston rod and PT1/4 ports handle standard pneumatic connections, while the 21 mm adjustable air cushion in each section provides smooth deceleration at both ends of the stroke.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X35X465S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X35X465S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 35 / 465 mm |
| Total travel | 500 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, 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) | 465 mm |
| P3 (both extended) | 500 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCT50X35X465S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×35 | Stroke 1 (section 1) in mm. |
| ×465 | 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 SCT50X35X465S Is Used
Two-Stage Sorting Gate
Uses the 35 mm and 500 mm positions to divert packages onto two separate conveyor lanes from a single infeed, with sensor confirmation at each stop via the built-in magnet.
Sequential Part Feeding
Advances a workpiece in two precise increments—a short 35 mm pick and a long 465 mm place—for assembly stations requiring a dwell at an intermediate position.
Multi-Depth Pressing
Provides a light touch at 35 mm extension for pre-forming, followed by full 500 mm travel for final insertion, all controlled by pressurizing the two cylinder sections independently.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X35X465S the Right Cylinder?
Choose the SCT when your application requires up to four discrete mechanical stops from a single compact assembly, avoiding the complexity of two separate cylinders and external hard stops. For higher force requirements, stepping up to the 63 mm bore SCT provides 1559 N of push per section at 0.5 MPa. A direct replacement must match the 50 mm bore, both the 35 mm and 465 mm section strokes, PT port thread, and the built-in magnet option.
Given the 465 mm stroke on the second section, consider external guiding or a rod support if the load applies significant side force, as the long extension can increase bending moment on the 20 mm rod. The basic mounting configuration allows you to add FA, FB, CA, CB, or LB brackets from the SCT accessory set as needed.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 35 + 465 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 SCT50X35X465S FAQ
It provides four distinct mechanical stop positions: 0 mm (fully retracted), 35 mm, 465 mm, and 500 mm (total travel). These are achieved by pressurizing the first section, the second section, or both simultaneously.
Yes, it often can. A replacement must be an AirTAC SCT with a 50 mm bore, 35 mm and 465 mm strokes, PT ports, and the -S magnet option. The tandem design integrates both strokes into one rod line, saving space and simplifying plumbing compared to two individual cylinders.
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