Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X120X160S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X120X160S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 120mm and 160mm give 4 controllable stop positions across a 280mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1120 mm
- Stroke 2160 mm
- Total travel280 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X120X160S
The SCT50X120X160S is a double-acting multi-position cylinder that delivers four discrete rod positions—0 mm, 120 mm, 160 mm, and the full 280 mm total travel—by pressurising its two tandem piston sections independently or together. Each section produces a push force of 982 N at 0.5 MPa (1767 N at the maximum 0.9 MPa operating pressure), driven by a 20 mm diameter rod through PT1/4 ports.
A built-in magnet on the piston allows CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for non-contact position sensing at every stop. The cylinder body measures 243 mm plus the combined stroke length, and its 21 mm adjustable air cushion at each end helps manage deceleration. This genuine AirTAC unit suits sorting gates or multi-depth pressing tools where sensor feedback at each stop is required.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X120X160S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X120X160S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 120 / 160 mm |
| Total travel | 280 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) | 120 mm |
| P2 (section 2) | 160 mm |
| P3 (both extended) | 280 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 SCT50X120X160S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×120 | Stroke 1 (section 1) in mm. |
| ×160 | 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 SCT50X120X160S Is Used
Two-Stage Diverter Gate
Use the 120 mm and 160 mm stops to align a chute with two separate conveyor lanes, while the 280 mm full-extend position parks the gate clear for maintenance access.
Multi-Depth Press Insertion
Control a press ram to two distinct insertion depths (120 mm and 160 mm) for assembling components with staged press-fit requirements, then fully retract at 0 mm.
Sequential Part Feeding
Advance a pusher to a pre-pick position at 120 mm, a final deposit position at 160 mm, and a full 280 mm stroke to clear a jam, with sensor confirmation at each step via the built-in magnet.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X120X160S the Right Cylinder?
Choose this 4-position SCT when a process needs two independent mid-stroke stops plus full retract and extend, replacing the complexity of two separate cylinders with external hard stops. If the 982 N per-section push force at 0.5 MPa is marginal, stepping up to the 63 mm bore SCT provides 1559 N per section; for a lighter, more compact solution, the 40 mm bore delivers 628 N. This model carries a built-in magnet for barrel-mounted sensors.
For a direct replacement, match the 50 mm bore, both the 120 mm and 160 mm section strokes, PT port thread, basic mounting, and the -S magnet suffix. With a combined stroke of 280 mm, ensure the rod is adequately guided if the payload applies a side load, as the 20 mm rod may require external support to prevent bending at full extension.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 120 + 160 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 SCT50X120X160S FAQ
This tandem cylinder provides four discrete rod positions: 0 mm (fully retracted), 120 mm (section one extended), 160 mm (section two extended), and 280 mm (both sections extended). The stops are fixed by the two section strokes and are not infinitely adjustable.
The -S suffix indicates a built-in magnetic ring on the piston. This allows AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors to be mounted externally on the cylinder's tie-rod barrel to detect the piston position at any of the four stops without physical contact.
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