Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H
The AirTAC Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 10mm and 10mm give 3 controllable stop positions across a 20mm total travel, with a Ø80mm bore, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Stroke 110 mm
- Stroke 210 mm
- Total travel20 mm
- Positions3 stops
- Port sizePT3/8
About the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H
The SCT80X10X10H is a tandem multi-position cylinder built for high-temperature environments, using Viton (FKM) seals to operate reliably from 0 to +150°C. With two 10 mm stroke sections on an 80 mm bore, it provides three discrete rod positions: fully retracted (0 mm), extended by the first section (10 mm), and fully extended by both sections (20 mm). Each actuated piston section delivers 2513 N of push force at 0.5 MPa, driven through a 25 mm diameter rod.
This model features a tie-rod construction with a body length A(SCT) of 296 mm and PT 3/8 port threads. The adjustable pneumatic end cushion, with a 28 mm cushion length, decelerates the piston smoothly at both ends of the total 20 mm travel. It is a genuine AirTAC product suited for hot-end sorting gates or thermal process diverters where standard seals would degrade.
Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H Technical Specifications
| Model | Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke 1 / Stroke 2 | 10 / 10 mm |
| Total travel | 20 mm |
| Stop positions | 3 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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, 28 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 (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 10 mm |
| P2 (both extended) | 20 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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 SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm (SCT range 32–100). |
| ×10 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H Is Used
Hot Gate Diverters
Directs parts between two downstream chutes inside heated enclosures, using the 10 mm and 20 mm positions to align with different conveyor inlets.
Thermal Press Stops
Provides a two-depth pressing sequence on a heated platen, advancing to a 10 mm pre-press position before applying full force at the 20 mm total stroke.
Lab Sample Positioning
Indexes a test probe to two precise immersion depths (10 mm and 20 mm) inside a temperature-controlled environmental chamber.
Is the Airtac SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H the Right Cylinder?
Select the SCT80X10X10H when a process requires two distinct extended stop positions within a very short 20 mm total stroke, particularly in ovens or near heat sources. This tandem cylinder replaces complex setups using two separate short-stroke cylinders and brackets, simplifying plumbing and alignment. The Viton seal package is essential for ambient temperatures above 70°C.
If a higher force per section is needed, step up to the 100 mm bore SCT100X10X10, which provides 3927 N push at 0.5 MPa. For a direct replacement, match the 80 mm bore, both 10 mm section strokes, PT port thread, and the H suffix for Viton seals. The basic mounting configuration allows direct body mounting; add an FA or FB flange kit if panel mounting is required.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 10 + 10 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 SCT80~100 Multi-Position Tandem Cylinder SCT80X10X10H FAQ
It provides 3 discrete rod positions: 0 mm (fully retracted), 10 mm (first section extended), and 20 mm (both sections extended). The two 10 mm strokes are equal, so the 10 mm position is shared.
No. Like all standard pneumatic cylinders, the SCT80X10X10H will drift or drop if pressure is lost or the valve center is exhausted. To hold a load at the 10 mm or 20 mm position without live pressure, you must add an external rod lock or a pilot-operated check valve.
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