Airtac SCJ80 Standard Cylinder SCJ80X110-50S
The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X110-50S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 mm range without swapping the cylinder. Ø80mm bore, 110mm nominal stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Nominal stroke110 mm
- Stroke adjust-50 mm
- Port sizePT3/8
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SCJ80 Standard Cylinder SCJ80X110-50S
The SCJ80X110-50S is an 80 mm bore double-acting single-rod cylinder that delivers 2513 N of push force at 0.5 MPa (4523 N at 0.9 MPa). Its rear adjusting screw provides a 50 mm stroke-end adjustment range, letting you fine-tune the 110 mm nominal stroke without swapping the cylinder or adding external hard stops.
This model includes a built-in magnet (S suffix), so CMSG/DMSG/EMSG reed and solid-state sensors clamp directly onto the tie-rod barrel for non-contact position sensing. The 25 mm piston rod, PT3/8 ports, and 28 mm air cushion make it a robust, field-configurable actuator for medium-force positioning tasks.
Airtac SCJ80 Standard Cylinder SCJ80X110-50S Technical Specifications
| Model | Airtac SCJ80 Standard Cylinder SCJ80X110-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 110 mm |
| Stroke adjustment | Up to 50 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| 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 | Up to 1500 mm |
Specifications follow the official AirTAC SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. Confirm against the product label before installation. Thread options: PT (standard) / G.
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 | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCJ80 Standard Cylinder SCJ80X110-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×110 | Nominal (maximum) stroke length in mm. |
| -50 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCJ80 Standard Cylinder SCJ80X110-50S Is Used
Commissioning & Fine-Tuning
The 50 mm screw adjustment lets technicians dial in the exact stroke end position on a new machine without fabricating custom stops, speeding up line start-up.
Format Changeovers
When a packaging line switches between product sizes, the adjustable stroke quickly resets the pusher or gate travel to match the new format.
Wear Take-Up
Over time, tooling or gripper fingers can wear. The rear screw compensates for this wear by shifting the stroke end, maintaining precise part engagement.
Is the Airtac SCJ80 Standard Cylinder SCJ80X110-50S the Right Cylinder?
Choose the SCJ80X110-50S when you need to dial in the stroke end during commissioning or format changes. If 2513 N push at 0.5 MPa is too light, step up to the 100 mm bore (3927 N push); if it is more force than required, the 63 mm bore delivers 1559 N push. For applications that do not need field adjustability, a fixed-stroke SC80 cylinder simplifies the bill of materials.
To replace this unit, match an AirTAC SCJ adjustable-stroke cylinder with 80 mm bore, 110 mm nominal stroke, 50 mm adjust range, PT ports, basic mounting, and a magnet. Always confirm the rear screw position and cushion setting after installation.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ 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 Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ80 Standard Cylinder SCJ80X110-50S FAQ
At 0.5 MPa, push force is 2513 N and pull force is 2268 N (the rod reduces the piston area on the return side). At the maximum operating pressure of 0.9 MPa, push force reaches 4523 N.
No. The stroke-end screw only sets the mechanical end position of the piston. It does not lock or hold the load. If the load must stay put without air pressure, you need an external rod brake, a mechanical lock, or a pilot-operated check valve.
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