Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X80X220
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X80X220 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 80mm and 220mm give 4 controllable stop positions across a 300mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 180 mm
- Stroke 2220 mm
- Total travel300 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X80X220
The SCT40X80X220 tandem cylinder delivers four fixed rod positions—0, 80, 220, and the full 300 mm travel—by pressurizing its two piston sections independently. With a 16 mm diameter rod and PT1/4 ports, each section generates 628 N of push force at 0.5 MPa, rising to 1130 N at the maximum operating pressure of 0.9 MPa.
This double-acting, multi-position unit uses a tie-rod construction with a 21 mm adjustable air cushion on each end for controlled deceleration. The body length A(SCT) is 235 mm, and the standard TPU seals suit operating temperatures from -20 to +70 °C.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X80X220 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X80X220 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 80 / 220 mm |
| Total travel | 300 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) | 80 mm |
| P2 (section 2) | 220 mm |
| P3 (both extended) | 300 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 SCT40X80X220
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×80 | Stroke 1 (section 1) in mm. |
| ×220 | 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 SCT40X80X220 Is Used
Two-Stage Diverter Gate
Actuates a sorting gate to three distinct positions—closed, partial divert at 80 mm, and full divert at 220 mm—routing packages to separate conveyor lanes.
Multi-Depth Clamping
Provides two preset clamping depths for workpieces of different thicknesses, moving to an 80 mm initial contact and a 220 mm final press, with a full 300 mm retract.
Sequential Part Feeding
Pushes components through a two-step assembly process, first advancing 80 mm for a locating station, then extending to 220 mm for a joining or pressing operation.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X80X220 the Right Cylinder?
This four-position SCT model replaces the complexity of two separate cylinders and external hard stops, providing a compact, pre-aligned solution for sequences requiring 80 mm, 220 mm, and 300 mm reaches. For applications needing higher force, the 50 mm bore SCT50X80X220 offers 982 N of push per section at 0.5 MPa. To directly replace this unit, match the 40 mm bore, both strokes of 80 and 220 mm, PT port thread, and basic mounting. If a section stroke is 300 mm or more, evaluate the rod's side-load tolerance and consider an external guide to prevent bending.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 80 + 220 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 SCT40X80X220 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 80 mm (section 1 extended), 220 mm (section 2 extended), and 300 mm (both sections extended for total travel).
The SCT does not add the force of its two sections. Each piston section acts independently, delivering the same force as a standard SC40 cylinder—628 N push and 528 N pull at 0.5 MPa. The advantage is the integrated, pre-aligned multi-position control without the bulk of two separate actuators.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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