Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X200SH
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X200SH is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 160mm and 200mm give 4 controllable stop positions across a 360mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1160 mm
- Stroke 2200 mm
- Total travel360 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X200SH
The SCT50X160X200SH is a tandem multi-position cylinder that delivers four fixed rod positions—0, 160, 200, and 360 mm—by independently pressurising its two piston sections. Each section produces a push force of 982 N at 0.5 MPa, scaling to 1767 N at the maximum operating pressure of 0.9 MPa, driven through a 20 mm diameter piston rod.
Built for high-temperature environments, the ‘H’ suffix specifies Viton (FKM) seals, extending the operating range from the standard -20°C up to +150°C. The integrated ‘S’ magnet allows direct mounting of CMSG or DMSG sensors on the tie-rod barrel for reliable end-of-stroke detection, while the 21 mm adjustable air cushion at each end decelerates the load smoothly across the 360 mm total travel.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X200SH Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X200SH |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 160 / 200 mm |
| Total travel | 360 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) | 160 mm |
| P2 (section 2) | 200 mm |
| P3 (both extended) | 360 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 SCT50X160X200SH
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×160 | 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 SCT50X160X200SH Is Used
High-Temperature Sorting Gate
The four discrete positions (0, 160, 200, 360 mm) allow a diverter gate to route hot materials to three different chutes in a furnace discharge application, with Viton seals ensuring reliable operation up to 150°C.
Two-Depth Hot Pressing
Achieves two distinct pressing depths at 160 mm and 200 mm, plus a full 360 mm retract for part loading, using a single compact cylinder in a heated laminating or forming press.
Multi-Stop Part Staging
Positions a stop pin at three different heights to stage parts of varying thicknesses on a conveyor line, with the built-in magnet providing sensor feedback at each end-of-stroke position.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X200SH the Right Cylinder?
This four-position actuator replaces complex setups that would otherwise require two separate cylinders and external hard stops, simplifying the pneumatic circuit and reducing envelope space. When selecting a model, verify that the 50 mm bore’s 982 N push force at 0.5 MPa meets the load requirement; if higher force is needed, stepping up to a 63 mm bore provides 1559 N per section. The 160 mm and 200 mm section strokes are standard, but with a combined travel of 360 mm, ensure the load is guided externally to prevent excessive side-loading on the 20 mm rod, particularly when the cylinder is fully extended. For a direct replacement, match the 50 mm bore, both 160 mm and 200 mm strokes, PT port thread, basic mounting, and the S magnet option.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 160 + 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 SCT50X160X200SH FAQ
The cylinder provides four discrete mechanical stops: fully retracted (0 mm), first section extended (160 mm), second section extended (200 mm), and both sections extended for the total travel of 360 mm.
No. Like all standard pneumatic cylinders, the SCT50X160X200SH will drift or drop if air pressure is lost or the directional valve is centered. To hold a load at any of its four stops without live pressure, you must add an external pilot-operated check valve or a mechanical rod lock.
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