Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X125S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X125S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 60mm and 125mm give 4 controllable stop positions across a 185mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 160 mm
- Stroke 2125 mm
- Total travel185 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X125S
The SCT40X60X125S is a tandem multi-position pneumatic cylinder that delivers four fixed rod positions from two independent piston sections on a common rod line. With strokes of 60 mm and 125 mm, the reachable stops are 0 mm (fully retracted), 60 mm, 125 mm, and the combined total travel of 185 mm. Each 40 mm bore section generates 628 N of push force at 0.5 MPa, making it suitable for light sorting or diverting tasks where multiple end-of-stroke locations are needed without servo control.
This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the tie-rod barrel for position feedback at each stop. The 16 mm diameter piston rod and 21 mm adjustable air cushion at each end provide smooth deceleration. Operating on filtered air from 0.15 to 1.0 MPa, it uses standard PT ports (PT1/4) and TPU seals for a temperature range of -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X125S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X125S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 60 / 125 mm |
| Total travel | 185 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) | 60 mm |
| P2 (section 2) | 125 mm |
| P3 (both extended) | 185 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 SCT40X60X125S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×60 | Stroke 1 (section 1) in mm. |
| ×125 | 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 SCT40X60X125S Is Used
Two-Stage Part Diverting
Use the four discrete positions (0, 60, 125, 185 mm) to route parts to three different conveyor lanes. The magnet allows sensors to confirm the gate is at the correct lane before releasing the part.
Multi-Depth Pressing
Achieve two distinct pressing depths in one cycle. The first section extends 60 mm for a pre-form operation, and the second section adds 125 mm of travel for the final form, giving total control at 185 mm.
Sequential Clamping
Clamp a workpiece with a light force at 60 mm extension, then apply a secondary, harder clamp at 125 mm. The 628 N per-section push force at 0.5 MPa is consistent at each clamping position.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X60X125S the Right Cylinder?
Choose the SCT tandem cylinder when your application needs two or more fixed mechanical stops without the complexity of two separate cylinders and external brackets. The SCT40X60X125S provides four distinct positions (0, 60, 125, 185 mm), which is ideal for a two-stage feed or a three-lane diverter. If you need higher force per section, step up to the 50 mm bore SCT50, which delivers 982 N push at 0.5 MPa; for a lighter, more compact solution, the 32 mm bore SCT32 provides 402 N.
For a drop-in replacement, match the 40 mm bore, both strokes (60 mm and 125 mm), the PT1/4 port thread, and the built-in magnet (-S). This basic mounting version has no attached brackets; if you need to pivot the cylinder, select a CA or CB rear clevis variant. Note that the 60 mm section stroke is short, but the 125 mm section is moderate; ensure the rod is adequately guided if the combined 185 mm travel experiences significant side loading.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 60 + 125 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 SCT40X60X125S FAQ
It provides four distinct mechanical stop positions: 0 mm (fully retracted), 60 mm (first section extended), 125 mm (second section extended), and 185 mm (both sections extended for total travel). The stops are fixed by the two stroke lengths and are not infinitely variable.
Yes, in applications that need only the fixed stop positions it provides. The SCT40X60X125S integrates two piston sections on one rod line, saving space and eliminating the need to synchronize two separate cylinders. Ensure the replacement matches the 40 mm bore, 60 mm and 125 mm strokes, PT1/4 ports, and the -S magnet option for sensor compatibility.
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 SCT40X60X125S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.