Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X160SH
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X160SH is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 160mm and 160mm give 3 controllable stop positions across a 320mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 1160 mm
- Stroke 2160 mm
- Total travel320 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X160SH
The SCT50X160X160SH is a double-acting tandem cylinder that delivers three discrete rod positions: fully retracted (0 mm), mid-stroke (160 mm), and full extension (320 mm). Each 50 mm bore section generates 982 N of push force at 0.5 MPa, rising to 1767 N at the 0.9 MPa maximum operating pressure, making it suitable for hot-environment sorting or two-stage clamping where position feedback is needed.
This model is configured with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors and high-temperature Viton seals (H suffix), extending the operating range to 0–150 °C. The 20 mm diameter rod and 21 mm air cushion in each section provide consistent deceleration, while the tie-rod construction keeps the 243 mm body length A dimension compact for a 320 mm total travel unit.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X160SH Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X160SH |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 160 / 160 mm |
| Total travel | 320 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) | 160 mm |
| P2 (both extended) | 320 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 SCT50X160X160SH
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×160 | 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 SCT50X160X160SH Is Used
Hot-Material Diverter Gate
The three discrete stops (0, 160, 320 mm) allow a single chute gate to route hot materials to two different downstream conveyors, with the Viton seals handling the elevated process temperatures up to 150 °C.
Two-Stage Thermal Press
The mid-position at 160 mm provides a pre-press location for degassing or pre-heating, followed by full 320 mm travel for final forming, all monitored by barrel-mounted sensors reading the built-in magnet.
3-Position Part Stop
Use the retracted, 160 mm, and 320 mm positions to stop pallets or totes at three distinct stations along a conveyor, simplifying the control architecture compared to using two individual cylinders.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X160X160SH the Right Cylinder?
Choose the SCT50X160X160SH when a single cylinder must provide three fixed stops without the complexity of two separate actuators and external hard stops. The 50 mm bore offers 982 N of push per section at standard plant air, a sweet spot for medium automation tasks. If your load demands higher force, stepping up to the 63 mm bore (SCT63) provides 1559 N per section at the same 0.5 MPa; for lighter, faster moves the 40 mm bore delivers 628 N. The built-in magnet allows sensor-based confirmation at each position.
For drop-in replacement, match the 50 mm bore, both 160 mm strokes, PT port thread, and the -S magnet option exactly. With a 160 mm stroke per section, rod bending is rarely a concern under axial loads, but if the tooling applies significant side force, external linear guides should be added to protect the rod bearings and seals.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 160 + 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 SCT50X160X160SH FAQ
Because both stroke sections are 160 mm, this model provides three distinct rod-end positions: 0 mm (fully retracted), 160 mm (first section extended), and 320 mm (both sections extended, total travel).
Yes, the SCT50X160X160SH is a direct physical and pneumatic replacement for any SCT50X160X160 that also had the -S magnet option, provided the original used PT ports. The H suffix adds Viton seals, making it suitable for higher-temperature environments (0–150 °C) that would degrade standard TPU seals.
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