Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 135mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke135 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S
The AirTAC SAIJ80X135-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 125 to 135 mm. It delivers a robust 2513 N push force at 0.5 MPa, making it well-suited for medium to heavy actuation. The extruded aluminum barrel features sensor grooves on both sides, and the -S magnet option enables direct mounting of CMSE reed or DMSE electronic switches for precise position verification.
This model utilizes a PT tapered port (G3/8) and a 25 mm carbon steel rod with an M20x1.5 thread. The rear adjustment screw acts purely as a travel stop to dial in the end-of-stroke position during commissioning; it is not a locking mechanism and will not hold a load without live air pressure. It supports variable air cushions at both ends and offers a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 135 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
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 | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×135 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S Is Used
Machine Changeover Setup
Fine-tune the retract end-position within a 125-135 mm window during product line changeovers without swapping out the entire actuator.
Variable End-Stop Clamping
Dial in the exact clamping distance for parts of slightly varying widths, using the rear stopper to set the final position accurately.
Assembly Line Positioning
Provides 2513 N of push force at 0.5 MPa for moving or positioning medium-weight jigs, with CMSE/DMSE sensors confirming the stroke end.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S the Right Cylinder?
Choose this 80 mm bore cylinder when your application requires a 2513 N push force at 0.5 MPa and you need to fine-tune the retract position on the fly without adding external stopper blocks. If your setup demands less force, stepping down to a 63 mm bore yields 1559 N; if you need more clamping power, a 100 mm bore provides 3927 N. The adjustable stroke is ideal for product changeovers where exact end-positioning varies slightly.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 135 mm nominal stroke, 10 mm adjustment range, PT G3/8 port, and the desired mounting bracket. Because the stroke is under 300 mm, side-load stress is minimal, though the 25 mm rod thread handles standard loads well. For applications requiring true load-holding without continuous air pressure, consider the AirTAC SAIL or BSAI series instead of relying on this rear stopper.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X135-10S FAQ
At a 0.5 MPa operating pressure, this 80 mm bore cylinder generates a push force of 2513 N and a pull force of 2268 N. It can deliver up to 4523 N push force at 0.7 MPa.
The rear adjuster screw lets you shorten the effective stroke by up to 10 mm, creating a usable travel window of 125 to 135 mm. This stopper only sets the travel end and does not lock or hold the load without live air pressure.
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