Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X280S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X280S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 280mm give 4 controllable stop positions across a 340mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 160 mm
- Stroke 2280 mm
- Total travel340 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X280S
The SCT50X60X280S tandem cylinder delivers four discrete stop positions—0 mm, 60 mm, 280 mm, and 340 mm—from a single tie-rod body with a built-in magnet for sensor mounting. Each 50 mm bore section provides 982 N of push force at 0.5 MPa, making it suitable for multi-step material handling where intermediate stops are required without extra actuators.
This model uses a 20 mm diameter piston rod and PT1/4 ports with a 21 mm adjustable air cushion at each end. The body length A(SCT) is 243 mm plus the combined 340 mm stroke, and the magnet suffix -S allows CMSG/DMSG/EMSG sensors to clamp directly onto the barrel for position feedback at every stop.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X280S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X280S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 60 / 280 mm |
| Total travel | 340 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) | 60 mm |
| P2 (section 2) | 280 mm |
| P3 (both extended) | 340 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 SCT50X60X280S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×280 | 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 SCT50X60X280S Is Used
Two-Stage Part Diverting
Actuates a diverter gate to three positions—retracted at 0 mm, partial divert at 60 mm, and full divert at 280 mm or 340 mm—routing products to different conveyor lanes in sequence.
Multi-Depth Press Operations
Provides two pressing depths in one cycle: a light pre-press at the 60 mm stop and a full-depth press at 280 mm or 340 mm, eliminating the need for a second press station.
Staggered Part Feeding
Feeds components to an assembly line at three distinct advance lengths. The magnet sensors confirm each stop, ensuring the next part is presented only when the previous one is cleared.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X60X280S the Right Cylinder?
Choose the SCT50X60X280S when an application needs four distinct rod positions without the complexity of two separate cylinders and external stops. If the 982 N per-section push force at 0.5 MPa is insufficient, stepping up to a 63 mm bore provides 1559 N per section; if it exceeds the requirement, a 40 mm bore delivers 628 N. For replacement, match the 50 mm bore, both 60 mm and 280 mm strokes, PT port thread, basic mounting, and the -S magnet option exactly. With the 280 mm stroke section, ensure the rod is guided externally if significant side loads are present to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 280 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 SCT50X60X280S FAQ
This cylinder provides four discrete mechanical stop positions: 0 mm (fully retracted), 60 mm (first section extended), 280 mm (second section extended), and 340 mm (both sections extended, total travel). The stops are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it is designed for that exact purpose. The SCT50X60X280S integrates two piston sections on one rod line, providing the 60 mm and 280 mm stops in a single, compact tie-rod body. A direct replacement must match the 50 mm bore, both strokes, PT ports, and the -S magnet option for sensor compatibility.
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