Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X15X60S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X15X60S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 15mm and 60mm give 4 controllable stop positions across a 75mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 115 mm
- Stroke 260 mm
- Total travel75 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X15X60S
The SCT40X15X60S delivers four fixed rod positions by combining two strokes on a single tie-rod body. Its reachable stops are 0 mm (fully retracted), 15 mm, 60 mm, and the total travel of 75 mm, selected by pressurising one or both piston sections. Each section produces 628 N of push force at 0.5 MPa, with a 16 mm rod and PT1/4 ports.
A built-in magnet lets you clamp CMSG, DMSG, or EMSG sensors directly onto the barrel for end-of-stroke or mid-position confirmation. The 40 mm bore keeps the envelope compact while the 21 mm air cushion at each end absorbs energy quietly. This model suits sorting gates or two-depth pressing where the short 15 mm stroke handles a quick reject and the 60 mm stroke advances the main tool.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X15X60S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X15X60S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 15 / 60 mm |
| Total travel | 75 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) | 15 mm |
| P2 (section 2) | 60 mm |
| P3 (both extended) | 75 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 SCT40X15X60S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×15 | Stroke 1 (section 1) in mm. |
| ×60 | 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 SCT40X15X60S Is Used
Two-Way Part Sorting
A 15 mm stroke diverts rejects into a scrap chute, while the full 75 mm travel sends good parts to the main conveyor, all from one compact tandem unit.
Dual-Depth Pressing
The 60 mm stroke performs a primary forming operation, and the additional 15 mm section applies a final coining or flattening force at the bottom of the press stroke.
Multi-Stop Gate Control
Use the 0, 15, and 75 mm positions to create a three-way diverter gate on a packaging line, routing products to different lanes without multiple actuators.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X15X60S the Right Cylinder?
Choose the SCT40X15X60S when a single actuator must serve two distinct advance distances without extra valves or external hard stops. If you need more push force, stepping up to the 50 mm bore provides 982 N per section at the same pressure. For replacement, match the 40 mm bore, both 15 mm and 60 mm strokes, the PT thread, and the -S magnet suffix; the basic mount accepts standard SCT foot or flange accessories if your layout changes later.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 15 + 60 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 SCT40X15X60S FAQ
It has four discrete mechanical stops: 0 mm (fully retracted), 15 mm, 60 mm, and the combined total of 75 mm. You select the position by applying air to section one, section two, or both simultaneously.
Yes, if your application needs exactly the 15 mm and 60 mm stroke lengths. The SCT40X15X60S consolidates both motions onto one rod line, saving mounting space and eliminating the need to synchronise two separate actuators.
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Standard models usually ship in 3-4 days.
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