Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 75mm and 150mm give 4 controllable stop positions across a 225mm total travel, with a Ø50mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Stroke 175 mm
- Stroke 2150 mm
- Total travel225 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S
The SCT50X75X150S is a tandem multi-position cylinder that delivers four distinct, repeatable rod positions from a single compact assembly. By pressurising its two 50 mm bore sections independently or together, the rod stops precisely at 0 mm, 75 mm, 150 mm, and the full 225 mm total travel, eliminating the need for complex external hard stops or multiple actuators.
Each piston section generates 982 N of push force at 0.5 MPa, rising to 1767 N at the maximum operating pressure of 0.9 MPa, driven through a rigid 20 mm diameter rod. The built-in magnet allows direct mounting of CMSG/DMSG/EMSG sensors on the tie-rod barrel for non-contact position feedback. With a 21 mm adjustable air cushion and a body length of 243 mm, it integrates easily into sorting, diverting, and multi-stop feeding stations.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke 1 / Stroke 2 | 75 / 150 mm |
| Total travel | 225 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) | 75 mm |
| P2 (section 2) | 150 mm |
| P3 (both extended) | 225 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 SCT50X75X150S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm (SCT range 32–100). |
| ×75 | Stroke 1 (section 1) in mm. |
| ×150 | 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 SCT50X75X150S Is Used
3-Way Part Sorting
Uses the four discrete positions (0, 75, 150, 225 mm) to direct parts into three separate chutes or conveyors from a single infeed point, with the fully retracted position serving as the home or load station.
Multi-Depth Pressing
Provides two controlled pressing depths (75 mm and 150 mm) plus a full 225 mm return stroke, allowing a single press station to handle components requiring different insertion or forming depths without mechanical changeover.
Staggered Product Stop
Acts as a programmable gate on a conveyor, stopping products at three different positions for label application, inspection, or accumulation, with the magnet enabling sensor confirmation at each stop point.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S the Right Cylinder?
Choose the SCT when your application requires two or more fixed stopping points without the cost and alignment complexity of two separate cylinders and external stops. This 50 mm bore model provides a balanced force envelope; if you need more thrust, the 63 mm bore SCT offers 1559 N of push force per section at the same 0.5 MPa, while the 40 mm bore version delivers 628 N for lighter, faster-cycling tasks. The four distinct positions (0, 75, 150, 225 mm) are ideal for three-step indexing or sorting mechanisms.
For a direct replacement, match the 50 mm bore, both strokes (75 mm and 150 mm), PT port thread, and the integrated magnet (-S suffix). This basic mounting configuration uses the tie-rod body for direct machine frame attachment. If the application involves significant side loading, particularly during the 150 mm stroke extension, external guide rods or a linear rail should be used to protect the rod bearing and seal.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 75 + 150 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 SCT50X75X150S FAQ
This cylinder provides four discrete mechanical stops. The rod positions are 0 mm (fully retracted), 75 mm (first section extended), 150 mm (second section extended), and 225 mm (both sections extended for full travel). These are fixed by the two stroke lengths and are not infinitely adjustable.
No, like all standard pneumatic cylinders, the SCT does not lock or hold its position when air pressure is removed or a valve is centered. The piston will drift under load. If a load must be held at the 75 mm, 150 mm, or 225 mm position without live pressure, you must add an external mechanical rod lock or a pilot-operated check valve.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SCT Multi-Position Cylinders
Request a Quote for Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT50X75X150S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.