Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X200S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X200S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 50mm and 200mm give 4 controllable stop positions across a 250mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 150 mm
- Stroke 2200 mm
- Total travel250 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X200S
The SCT40X50X200S is a tandem multi-position cylinder that provides four fixed rod positions: 0 mm (fully retracted), 50 mm, 200 mm, and a total extended travel of 250 mm. Each piston section delivers a push force of 628 N at 0.5 MPa, making it suitable for pneumatic circuits that require distinct, repeatable stopping points without complex servo controls. The 16 mm diameter rod and PT1/4 ports are standard for this 40 mm bore.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors on the tie-rod barrel for non-contact position feedback. The adjustable air cushion at each end cap smooths deceleration, and the 235 mm body length A(SCT) helps with space planning. It is a genuine AirTAC component built for sequenced material handling tasks.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X200S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X200S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 50 / 200 mm |
| Total travel | 250 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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) | 50 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 250 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SCT40X50X200S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×50 | Stroke 1 (section 1) in mm. |
| ×200 | 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 SCT40X50X200S Is Used
Two-Stage Sorting Gate
Uses the 50 mm and 250 mm positions to divert packages to separate conveyor lanes, with sensor confirmation at each stop via the built-in magnet.
Dual-Depth Pressing
Provides a 200 mm primary advance and a 250 mm full-insertion stroke for assembling components with two distinct seating depths.
Sequential Part Feeding
Advances a pusher to a 50 mm staging point, then to a 200 mm transfer position, creating a three-step feed sequence from a single cylinder.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X50X200S the Right Cylinder?
Choose the SCT when your application needs two or more hard stops from a single pneumatic axis, replacing the complexity of two separate cylinders and external stops. The 40 mm bore provides 628 N of push per section at 0.5 MPa; if you need more force, stepping up to the 50 mm bore delivers 982 N. For a drop-in replacement, match the 40 mm bore, both 50 mm and 200 mm strokes, PT port thread, basic mounting, and the -S magnet option. With a 200 mm stroke on the second section, ensure the rod is adequately guided if side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 50 + 200 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 SCT40X50X200S FAQ
It provides four discrete mechanical stops. The rod positions are 0 mm (retracted), 50 mm (first section extended), 200 mm (second section extended), and 250 mm (both sections extended).
Yes, it is designed to replace setups that use two separate cylinders for multi-stop positioning. Ensure the replacement matches the 40 mm bore, 50 mm and 200 mm strokes, PT ports, basic mount, and the magnetic piston option.
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