Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X60S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X60S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 60mm give 3 controllable stop positions across a 120mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 160 mm
- Stroke 260 mm
- Total travel120 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X60S
The SCT50X60X60S is a double-acting multi-position cylinder that provides three distinct rod stops: fully retracted (0 mm), 60 mm, and the combined 120 mm total travel. Each of its two piston sections delivers 982 N of push force at 0.5 MPa (1767 N at 0.9 MPa), making it a robust choice for sorting gates and two-depth pressing operations.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to be mounted directly on the tie-rod barrel for reliable end-of-stroke or mid-position sensing. The 50 mm bore cylinder uses a 20 mm diameter rod with PT1/4 ports and has a 21 mm adjustable air cushion on each section for smooth deceleration.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X60S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X60S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 60 / 60 mm |
| Total travel | 120 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, 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 60 mm |
| P2 (both extended) | 120 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 SCT50X60X60S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT50X60X60S Is Used
3-Position Diverter Gate
Use the three discrete stops (0, 60, 120 mm) to route packages or parts to three separate conveyor lanes with a single actuator, simplifying pneumatic controls.
Two-Depth Press or Stake
Achieve a partial press at the 60 mm stroke and a full-depth press at the 120 mm combined stroke, ideal for assembly processes requiring a two-step insertion.
Multi-Stop Feeding Mechanism
Advance material to a 60 mm pre-feed position for inspection, then extend to the full 120 mm for final placement, with sensor confirmation at each stop via the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X60S the Right Cylinder?
Choose the SCT50X60X60S when your application needs three fixed mechanical stops without the complexity of servo controls or two separate cylinders. If the 982 N push force per section is too light, stepping up to a 63 mm bore (SCT63) provides 1559 N per section at the same 0.5 MPa pressure. For a lighter, more compact solution, the 40 mm bore SCT40 offers 628 N.
As a direct replacement, match the 50 mm bore, both 60 mm strokes, PT port thread, and the -S magnet option. The SCT uses basic mounting by default, but FA, FB, CA, CB, or LB brackets can be added if your machine requires front-flange, rear-clevis, or foot-mounting configurations.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 60 + 60 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 SCT50X60X60S FAQ
This cylinder provides three distinct mechanical stop positions: 0 mm (fully retracted), 60 mm (first section extended), and 120 mm (both sections extended, total travel). Because the two strokes are equal, the 60 mm position is reached by pressurizing either section individually.
Only if your application specifically requires the three-position functionality. The SCT50X60X60S is a tandem cylinder with two piston sections and a longer body length (A=243 mm base plus strokes). It is a direct form-fit replacement only for another AirTAC SCT50 with 60 mm and 60 mm strokes, matching PT ports and the -S magnet option.
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