This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAIJ80X500-75S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAIJ80X500-75S in place of this model. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S
The AirTAC Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 500mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAIJ80X500-75S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke500 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X500-75S
About the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S
The AirTAC SIJ80X500-75S is a discontinued double-acting single-rod ISO 15552 adjustable-stroke cylinder. A G3/8 port, Ø25 mm rod, and 36 mm adjustable cushions frame its 80 mm bore. The external stop screw lets you trim the extend stroke by up to 75 mm on-site, yielding a usable 425-500 mm window from the 500 mm nominal maximum. The stop sets the end position; it is not a load lock. This -S model includes a piston magnet for legacy CS1-B/DS1-B switches.
The direct drop-in replacement is the SAIJ80X500-75S, retaining the exact interface, bore, and force. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and long life. At 0.5 MPa it delivers 2513 N push and 2268 N pull, climbing to 4523 N at 0.9 MPa. For sizing, the safe working load is roughly 1508 N (60% of the 0.5 MPa push), and vertical lift is about 128 kg with a 2:1 margin. A plain cylinder drifts on air loss; use an external rod lock or SAIL/BSAI variant to hold loads.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X500-75S |
| Bore size | Ø80 mm |
| Stroke | 500 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 standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAIJ80X500-75S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / 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 | |
The SAIJ80X500-75S produces the same force from the same bore — a true drop-in on output. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×500 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Where the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S Is Used
Variable-Length Press Fit
Trimming the extend stroke by up to 75 mm on-site allows a press station to adapt to varying part heights without swapping the entire actuator.
Adjustable Transfer Diverter
Fine-tuning the 500 mm extend stop lets operators alter the pusher reach on a packaging line to accommodate different carton widths.
Modulated Pallet Stop
Setting the external stop screw to shorten the stroke provides precise end-position control for pallets of varying depths on a handling conveyor.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S with the SAIJ80X500-75S
To replace the discontinued SIJ80X500-75S, order the SAIJ80X500-75S drop-in. It matches the G3/8 port, M20x1.5 rod thread, and FA/LB/TC mountings. The 75 mm adjust window is ideal if your extend stroke needs on-site tuning between 425 and 500 mm. If you need less force, the neighbouring 63 mm bore yields 1559 N push at 0.5 MPa; if you need more, the 100 mm bore yields 3927 N. The -S suffix provides a piston magnet for position sensing. Because the 500 mm stroke is long, account for side-load and rod-bending risks by supporting the load with external guides. The stop screw sets end position only; it does not lock the load on air loss.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X500-75S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X500-75S FAQ
Yes, the SIJ80X500-75S is discontinued. The exact drop-in replacement is the SAIJ80X500-75S. It shares the identical ISO 15552 mounting interface, 80 mm bore, 500 mm nominal stroke, 75 mm adjust window, G3/8 port, and force ratings, while adding an upgraded SAI piston seal.
The double-acting single-rod 80 mm bore delivers 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, and 4523 N push at 0.9 MPa, with a theoretical max of 513 kgf at 1.0 MPa. The external stop screw provides a 75 mm adjust window, shortening the extend stroke on-site from the 500 mm maximum down to 425 mm. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
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