Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X90X110S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X90X110S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 90mm and 110mm give 4 controllable stop positions across a 200mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 190 mm
- Stroke 2110 mm
- Total travel200 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X90X110S
The SCT40X90X110S is a double-acting tandem cylinder that provides four distinct rod positions—0 mm, 90 mm, 110 mm, and the full 200 mm travel—by pressurising its two piston sections independently or together. Each 40 mm bore section delivers 628 N of push force at 0.5 MPa, making it a compact solution for tasks that need more than a standard two-stop cylinder. The built-in magnet allows CMSG, DMSG, or EMSG sensors to be mounted directly on the tie-rod barrel for non-contact position feedback.
This model uses a 16 mm diameter rod with M12x1.25 threads and PT1/4 ports, and its body length A(SCT) is 235 mm plus the combined stroke. The adjustable pneumatic cushion at each end (21 mm length) helps manage end-of-stroke impact. Operating on filtered air from 0.15 to 1.0 MPa, the cylinder’s TPU seals suit standard temperatures from -20 to +70 °C, and the built-in magnet simplifies sensor integration without extra brackets.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X90X110S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X90X110S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 90 / 110 mm |
| Total travel | 200 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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) | 90 mm |
| P2 (section 2) | 110 mm |
| P3 (both extended) | 200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SCT40X90X110S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×90 | Stroke 1 (section 1) in mm. |
| ×110 | 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 SCT40X90X110S Is Used
Two-Stage Diverter Gate
Use the four discrete stops to route parts to three separate conveyor lanes. Retract to 0 mm for lane one, extend to 90 mm for lane two, 110 mm for lane three, or fully extend to 200 mm to block all lanes.
Offset Pick-and-Place
The unequal strokes create an offset intermediate position. Pick a part at 0 mm, move to a 90 mm inspection station, then advance to 110 mm for a reject chute, or go to 200 mm for the accept bin.
Multi-Depth Pressing
Achieve two controlled pressing depths in one cycle. The 90 mm stroke sets a shallow pre-form depth, and the 110 mm stroke provides a deeper final form, with the 200 mm total travel used for part ejection.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X90X110S the Right Cylinder?
Choose the SCT40X90X110S when your process needs four fixed mechanical stops without the complexity of servo control or multiple single-rod cylinders. The 90 mm and 110 mm strokes create a unique 200 mm total travel with an intermediate offset, ideal for two-stage feeding or sorting. If you need more force per section, stepping up to the 50 mm bore SCT50X90X110 provides 982 N push at 0.5 MPa. For a direct replacement, match the 40 mm bore, both 90 mm and 110 mm strokes, PT port thread, the built-in magnet (-S suffix), and basic mounting. Since the total travel is 200 mm, ensure the rod is guided if the load is off-centre or side forces are present.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 90 + 110 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 SCT40X90X110S FAQ
This cylinder has four distinct mechanical stops: fully retracted at 0 mm, the first section extended at 90 mm, the second section extended at 110 mm, and both sections extended for a total travel of 200 mm. The positions are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, it can often replace a setup with two SC40 cylinders and external stops, saving space and simplifying the pneumatic circuit. The replacement must match the 40 mm bore, the 90 mm and 110 mm strokes, the PT port thread, and the built-in magnet (-S). It provides the same per-section force of 628 N push at 0.5 MPa.
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